Abdominal pain causes: Difference between revisions

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{{Abdominal pain}}
{{Abdominal pain}}
{{CMG}}
{{CMG}}; {{AE}} {{KS}}


==Overview==
==Overview==
The causes of abdominal pain vary with the distribution of the pain. The distribution can be determined by various methods, such as into either abdominal quadrants or nine sections.
Life threatening causes of abdominal pain include [[acute peritonitis]], [[bowel obstruction]], [[diabetic ketoacidosis]] and [[testicular torsion]]. Other common causes of abdominal pain include [[appendicitis]], [[constipation]], [[dysmenorrhea]] and  [[lactose intolerance]].                                  


==Causes==
==Causes==
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===Life Threatening Causes===
===Life Threatening Causes===
Life-threatening causes include conditions that may result in death or permanent disability within the next 24 hours if left untreated.
 
{{columns-list|2|
*[[Acute peritonitis]]
*[[Adrenal hemorrhage]]
*[[Bowel obstruction]]
*[[Diabetic ketoacidosis]]
*[[Eclampsia]]
*[[Esophageal perforation]]
*[[Cholecystitis natural history, complications and prognosis#Gallbladder perforation|Gallbladder perforation]]
*[[Gastrointestinal perforation]]
*[[Inguinal hernia|Incarcerated inguinal hernia]]
*[[Leiomyoma|Infarction or torsion of uterine leiomyoma]]
*[[Intussusception]]
*[[Ischemic colitis]]
*[[Large bowel obstruction]]
*[[Malignant hypertension]]
*[[Mesenteric ischemia]]
*[[Myocardial ischemia]]
*[[Ovarian torsion]]
*[[Peptic ulcer natural history|Peptic ulcer perforation]]
*[[Perforated duodenal ulcer]]
*[[gastric ulcer|Perforated gastric ulcer]]
*[[ERCP|Post-ERCP perforation]]
*[[Pulmonary embolism]]
*[[Pulmonary infarction]]
*[[Dissection (medical)|Renal artery dissection]]
*[[Renal cyst|Renal cyst rupture or hemorrhage]]
*[[Ruptured abdominal aortic aneurysm]]
*[[aortic aneurysm|Ruptured aortic aneurysm]]
*[[Ruptured spleen]]
*[[Small bowel obstruction]]
*[[Splenic infarction]]
*[[Strangulation|Strangulation of hernia]]
*[[Testicular torsion]]
*[[rupture spleen|Traumatic splenic rupture]]
*[[Uterine rupture]]
*[[Complications of pregnancy|Uterine torsion]]
*[[Volvulus]]
}}


===Common Causes===
===Common Causes===
*Injury to the [[Abdominal wall]]
*[[Appendicitis]]
**[[Abdominal cutaneous nerve entrapment syndrome]]
*[[Celiac disease]]
**Mesenteric traction syndrome
*[[Constipation]]
**Muscle trauma
*[[Crohn's disease]]
**Muscular infection
*[[Dysmenorrhea]]
*[[Autoimmune]]:
**[[sarcoidosis]]
**[[vasculitis]]
*[[Diarrhea]]  
*[[Digestive]]:
**[[lactose intolerance]]
**[[celiac sprue]]
*Distention of visceral surfaces such as the [[hepatic]] or [[renal capsule]]
*[[Endometriosis]]
*[[Endometriosis]]
*Functional pain:
*[[Food allergies]]
**[[Irritable bowel syndrome]] (affecting up to 20% of the population, IBS is the most common cause of recurrent, intermittent abdominal pain)
*[[Food poisoning]]
*Inflammation of bowel wall:
*[[Gastroesophageal reflux]]
**[[Crohn's disease]]
*[[Irritable bowel syndrome]]
**[[Diverticulitis]]
*[[Lactose intolerance]]
**[[Gastroenteritis]]
*[[Urinary tract infection]]
**Microscopic colitis
**[[Ulcerative colitis]]
*Mechanical obstruction of hollow viscera such as the [[small intestine]], the [[appendix]] associated with appendicitis, the [[large intestine]] (e.g. by [[intussusception]]), the [[biliary tree]] (e.g. by [[gallstone]]s), or the [[ureter]] (e.g. by urinary calculi)
*[[Meningitis]]
*Metabolic disturbance:
**Adrenal insufficiency
**Black widow spider bite
**C1-esterase inhibitor deficiency
**[[Diabetic ketoacidosis]]
**[[Lead poisoning]],
**[[Porphyria]]
**[[Uremia]]
*Neurogenic pain:
**[[Herpes zoster]]
**[[Lyme disease]] (Lyme radiculitis or Bannwarth syndrome)
**[[Tabes dorsalis]]
*Parietal [[peritoneal]] [[inflammation]]
**Due to [[infection]]: inflamed or suppurative [[vermiform appendix|appendix]] in [[appendicitis]], [[pelvic inflammatory disease]]
**Due to chemical irritation: perforated [[gastric ulcer|gastric]] or [[peptic ulcer]]; [[pancreatitis]], [[Mittelschmerz]], ruptured [[ectopic pregnancy]]
**Miscellaneous ([[Familial Mediterranean fever]])
*[[Pelvic inflammatory disease]]
*Post-surgical [[Adhesion (medicine)|adhesions]]
*[[Referred pain]] from:
**[[Genitals]] ([[testicular torsion]])
**[[Myocardial infarction|Coronary occlusion]])
**The [[vertebral column|spine]] (radiculitis secondary to [[arthritis]])
**The [[thorax]] ([[pneumonia]]
*Reproductive organs (in women):
**Ectopic pregnancy
**[[Mittelschmerz]]
**Torsion of the ovary
*[[Blood vessel|Vascular]] disturbances (leading to [[ischemia]]):
**[[Embolism]]
**Left renal vein entrapment
**[[Sickle cell anemia]]
**Superior mesenteric artery syndrome ([[Nutcracker syndrome]])
**[[Thrombosis]]
**Torsional occlusion ([[volvulus]])
**Vascular rupture


===Causes by Organ System===
===Causes by Organ System===
{| style="width:80%; height:100px" border="1"
{|style="width: 80%; height: 100px; text-align: justify; text-justify: distribute;" border="1"
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Cardiovascular'''
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Cardiovascular'''
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[Abdominal aortic aneurysm]], [[Budd-Chiari syndrome]]
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" |[[Anaphylaxis]], [[aortic aneurysm]], [[cholesterol emboli syndrome]], [[chronic necrotizing vasculitis]]  
|-
|-
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Chemical / poisoning'''
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Chemical / poisoning'''
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[Amanita phalloides]], [[arsenic poisoning]], [[Barium|barium nitrate]], [[cresol]],[[fluoride poisoning]], [[grape seed extract]], [[lead poisoning]], [[oleander]], [[parathion]], [[pesticide]], [[pyridine]], [[snakebites]], [[spider bite]], [[tributyl phosphate]]
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" |[[1,2-Dibromo-3-chloropropane|1,2-dibromo-3-chloropropane]], [[1,2-Dibromoethane|1,2-dibromoethane]], [[1,2-dichloroethane]], [[1,4-dioxane]], [[1-Propanol|1-propanol]], [[Trinitrotoluene|2,4,6-trinitrotoluene]], [[2,4-Dichlorophenol|2,4-dichlorophenol]], [[2-acetylamino-fluorene]], [[2-Butoxyethanol|2-butoxyethanol]], [[2-Hexanone|2-hexanone]], [[MCPA|2-methyl-4-chlorophenoxyacetic acid]], [[2-Nitropropane|2-nitropropane]], [[4-aminopyridine]], [[4-Dimethylaminoazobenzene|4-dimethylaminoazobenzene]], [[8-Hydroxyquinoline|8-hydroxyquinoline]], [[Paracetamol detailed information|acetaminophen poisoning]], [[acetic acid]], [[acetonitrile]], [[Grayanotoxin|acetylandromedol]], [[acetylene tetrabromide]], [[aconitum]], [[acrinathrin]], [[acrylamide]], [[acrylic acid]], [[acrylonitrile]], [[Mercury poisoning|acute mercury inhalation]], [[adiponitrile]], [[alanycarb]], [[albitocin]], [[alcohol]], [[aldicarb]], [[aldoxycarb]], [[Alicyclic compound|alicyclic hydrocarbons]], [[Amine|aliphatic amines]], [[Aliphatic compound|aliphatic hydrocarbons]], [[aliphatic hydrogenated hydrocarbons]], [[allyl alcohol]], [[allyl chloride]], [[allylamines]], [[allyxycarb]], [[aloe poisoning]], [[Cypermethrin|alpha-cypermethrin]], [[aluminum phosphide]], [[amanita phalloides]], [[amanita polypyramis poisoning]], [[amaranth]], [[amidithion]], [[amines]], [[aminocarb]], [[amiton]], [[ammonium bifluoride]], [[ammonium nitrate]], [[amygdalin]], [[amyl acetate]], [[Grayanotoxin|andromedotoxin]], [[anthraquinone]], [[antimony]], [[Spider bite|arachnidism]], [[aromatic amines]], [[aromatic halogenated hydrocarbons]], [[arsenic poisoning]], [[arsenic trioxide]], [[arsine]], [[asphalt]], [[athyl-Gusathion|athyl-gusathion]], [[azalea|azalea poisoning]], [[azinfosethyl]], [[azinfos-methyl]], [[azinphosmetile]], [[azothoate]], [[barium nitrate]], [[barium]], [[bendiocarb]], [[benoxafos]], [[benzene]], [[benzoate]], [[benzyl chloride]], [[beryllium]], [[Cyfluthrin|beta-cyfluthrin]], [[bifenthrin]], [[bioallethrin]], [[Resmethrin|bioresmethrin]], [[bipyridyl pesticides]], [[bismuth]], [[black locust poisoning]], [[black nightshade poisoning]], [[Envenomation|black widow spider bite]], [[borates]], [[borane|boron hydrides]], [[box thorn poisoning]], [[bromide]], [[bromophos]], [[bufencarb]], [[butacarb]], [[butocarboxim]], [[Ranunculus|buttercup poisoning]], [[cadmium]], [[cadusafos]], [[calcium hypochlorite]], [[calcium oxide]], [[camphor]], [[Euphorbia lathyris|caper spruge poisoning]], [[captan]], [[carbamate insecticide poisoning]], [[carbofuran]], [[carbon disulfide]], [[carbon monoxide toxicity]], [[carbon tetrachloride]], [[carbophenothion]], [[carbosulfan]], [[carmine]], [[caspofungin]], [[chlorate salts]], [[chlordane]], [[chlorfenvinphos]], [[chlorinated benzenes]], [[Polychlorinated naphthalene|chlorinated naphthalenes]], [[chlorobenzene]], [[Polychlorinated biphenyl|chlorodiphenyl]], [[chloroform]], [[chloropicrin]], [[chloroprene]], [[chloropyrifos]], [[Prunus virginiana|chokecherry seed poisoning]], [[Jerusalem cherry|christmas cherry poisoning]], [[chromium]], [[cicutoxin]], [[ciguatera poisoning]], [[clitocybe dealbata]], [[cloethocarb]], [[coastal leucothoe poisoning]], [[cobalt]], [[cobra poisoning]], [[Senna obtusifolia|coffeeweed poisoning]], [[Copper|copper salts]], [[copper toxicity]], [[Hellebore|corsican hellebore poisoning]], [[coumaphos]], [[cresol]], [[cyanthoate]], [[cycad nut poisoning]], [[cycasin]], [[cyclochlorotine]], [[cyfluthrin]], [[cypermethrin]], [[cyphenothrin]], [[cypress Spurge|cypress spurge poisoning]], [[Narcissus pseudonarcissus|daffodil poisoning]], [[List of poisonous plants|deadly nightshade (solanum dulcamara) poisoning]], [[List of poisonous plants|deathdamas poisoning]], [[decarbofuran]], [[deltamethrin]], [[demeton]], [[demeton-methyl]], [[Lycoperdon perlatum|devil's snuff box poisoning]], [[dialifos]], [[diazinon]], [[1,2-Dibromo-3-chloropropane|dibromochloropropane]], [[dichlorvos]], [[dicresyl]], [[dicrotophos]], [[diethylene glycol]], [[fluoride poisoning]], [[grape seed extract]], [[lead poisoning]], [[oleander]], [[parathion]], [[pesticide]], [[pyridine]], [[snakebites]], [[spider bite]], [[tributyl phosphate]]  
|-
|-
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Dermatologic'''
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Dermatology'''
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | No underlying causes
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" |[[Adnexal and skin appendage neoplasms]], [[angioneurotic edema]], [[Behcet's disease]], [[Chiari-Frommel syndrome]], [[chronic necrotizing vasculitis]] 
|-
|-
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Drug Side Effect'''
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Drug Side Effect'''
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[Acetylsalicylic acid]], [[Acarbose]], [[aciclovir]], [[Alosetron]], [[aminocaproic acid]], [[amlodipine and benazepril]], [[Atovaquone]], [[auranofin]], [[azithromycin]], [[Aztreonam]], [[Basiliximab]],  
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" |[[Acetylsalicylic acid]], [[acarbose]], [[acipimox]], [[acyclovir]], [[alosetron]], [[allopurinol]][[aminocaproic acid]], [[Amlodipine and Benazepril|amlodipine and benazepril]], [[ambenonium]], [[amodiaquine]], [[amphetamine|amphetamine abuse]], [[amphotericin]], [[Anesthetic agents|anesthetic agent]], [[antiarrhythmics]], [[anticoagulants]], [[antifungals]], [[antihypertensives]], [[antineoplastic agents]], [[antiviral medication]], [[aspirin]], [[Ativan|ativan withdrawal]], [[atomoxetine]], [[atovaquone]], [[atovaquone-Proguanil]], [[auranofin]], [[azithromycin]], [[aztreonam]], [[basiliximab]], [[benzodiazepine]], [[bethanechol chloride]], [[bezafibrate]], [[bicalutamide]], [[bosutinib]], [[busulfan]], [[butyrophenone]], [[carbarsone]], [[carbaryl]], [[caspofungin]], [[cefdinir]], [[cefixime]], [[cephalosporin]], [[cefuroxime]], [[chloramphenicol]],  [[cidofovir]], [[cimetidine]], [[ciprofloxacin]], [[cisapride]], [[cladribine]], [[clidinium]], [[cyclopropane]], [[clindamycin]], [[clofibrate]], [[codeine withdrawal]], [[colchicine]], [[contraceptive patch]], [[cycloserine]], [[cytarabine]], [[dactinomycin]], [[danazol]], [[dantrolene]], [[daptomycin]], [[darvocet overdose]], [[deferasirox]], [[deferiprone]], [[Depo Provera|depo-provera]], [[desmopressin]],[[dexedrine overdose]], [[didanosine]], [[diflunisal]], [[dimercaprol]], [[donepezil]], [[doxorubicin hydrochloride]], [[drotrecogin alfa]], [[dydrogesterone]], [[ecallantide]], [[enoxaparin]], [[entacapone]], [[elosulfase alfa]], [[erythromycin]], [[ethcathinone]], [[etodolac]], [[etonogestrel]], [[etoposide phosphate]], [[febuxostat]], [[fesoterodine]], [[flucytosine]], [[flurbiprofen]], [[fluvastatin]], [[ganirelix]], [[Glyburide and Metformin (patient information)|glyburide and metformin]], [[halofantrine]], [[hydroxychloroquine]], [[idarubicin]], [[imiglucerase]], [[indinavir]], [[Interferon beta-1b|interferon beta- 1b]], [[irinotecan hydrochloride]], [[isoniazid]], [[itraconazole]], [[ivacaftor]], [[ivermectin]], [[ketorolac tromethamine]], [[lactulose]], [[lanreotide]], [[lansoprazole]], [[lanthanum carbonate]], [[levonorgestrel]], [[loperamide]], [[lopinavir]], [[loprazolam]], [[loratadine]], [[magnesium citrate]], [[mebendazole]], [[medroxyprogesterone]], [[megestrol]], [[mercaptopurine]], [[mesna]], [[methimazole]], [[methotrexate]], [[methylphenidate]], [[metronidazole]], [[mifepristone]], [[miglitol]], [[misoprostol]], [[moxifloxacin]], [[muscarine]], [[nafcillin]], [[naltrexone]], [[naproxen sodium]], [[naproxen and esomeprazole magnesium]], [[natalizumab]], [[neuromuscular-blocking drugs]], [[niclosamide]], [[nitazoxanide]], [[norethindrone acetate and Ethinyl estradiol]], [[Norgestrel and Ethinyl estradiol|norgestrel and ethinyl estradiol]], [[octreotide injection]], [[omeprazole]], [[olsalazine]], [[orlistat]], [[oxcarbazepine]], [[pantoprazole]], [[paromomycin sulfate]], [[pasireotide]], [[pazopanib hydrochloride]], [[papaverine]], [[piroxicam]], [[pegaspargase]], [[pentamidine Isethionate]], [[pentavalent antimonial]], [[pentostatin]], [[perindopril]], [[phenazocine]], [[permethrin]], [[pirfenidone]], [[potassium iodide]], [[Polyethylene glycol-electrolyte solution (PEG-ES) (patient information)|polyethylene glycol-electrolyte solution (pEG-ES)]], [[potassium bicarbonate]], [[potassium citrate]], [[praziquantel]], [[prazosin and polythiazide]], [[primaquine phosphate]], [[procainamide]], [[procarbazine]], [[progesterone]], [[propylthiouracil]], [[protirelin]], [[rabeprazole]], [[rasburicase]], [[rifaximin]], [[ritonavir]], [[roxithromycin]], [[sacrosidase]], [[sargramostim]], [[saquinavir mesylate]], [[saxagliptin]], [[secretin human]], [[siltuximab]], [[simvastatin]], [[sorafenib]], [[sucralfate]], [[sulfasalazine]], [[sunitinib]], [[thiotepa]], [[tianeptine]], [[tigecycline]], [[tolmetin]], [[topiramate]], [[topotecan]], [[trametinib dimethyl sulfoxide]], [[trastuzumab]], [[tretinoin]], [[triclofos]], [[valacyclovir]], [[vancomycin]], [[vardenafil]],[[vandetanib]], [[vigabatrin]], [[vinblastine]], [[voriconazole]], [[zafirlukast]]  
[[Bethanechol chloride]], [[bezafibrate]], [[Bicalutamide]],[[Bosutinib]], [[Busulfan]], [[caspofungin]], [[cefdinir]], [[Cefixime]], [[cefuroxime]], [[Cidofovir]],  [[cladribine]], [[clidinium]], [[clindamycin]], [[clofibrate]], [[contraceptive patch]], [[dactinomycin]], [[danazol]], [[daptomycin]], [[Deferasirox]], [[Deferiprone]], [[Desmopressin]], [[Didanosine]], [[diflunisal]], [[Dimercaprol]], [[donepezil]], [[Doxorubicin Hydrochloride]] , [[drotrecogin alfa]], [[dydrogesterone]], [[enoxaparin]], [[Entacapone]], [[erythromycin]], [[ethcathinone]], [[Etodolac]], [[Etonogestrel]], [[etoposide phosphate]], [[Febuxostat]], [[Fesoterodine]], [[Flucytosine]], [[Flurbiprofen]], [[Fluvastatin]], [[Ganirelix]], [[Glyburide and Metformin]], [[halofantrine]], [[hydroxychloroquine]], [[idarubicin]], [[Indinavir]], [[Interferon beta- 1b]], [[Irinotecan hydrochloride]], [[isoniazid]], [[itraconazole]], [[Ivacaftor]], [[Ketorolac tromethamine]], [[Lactulose]], [[Lanreotide]], [[lansoprazole]], [[Levonorgestrel]], [[loperamide]], [[lopinavir]], [[loprazolam]], [[Ivermectin]], [[Loratadine]], [[magnesium citrate]], [[Mebendazole]], [[Medroxyprogesterone]], [[Megestrol]], [[mercaptopurine]], [[Mesna]], [[methimazole]], [[Methotrexate]], [[methylphenidate]], [[Metronidazole]], [[mifepristone]], [[misoprostol]], [[moxifloxacin]], [[muscarine]], [[nafcillin]], [[Naltrexone]], [[Naproxen sodium]], [[Naproxen and esomeprazole magnesium]], [[Natalizumab]], [[neuromuscular-blocking drugs]], [[niclosamide]], [[nitazoxanide]], [[Norethindrone acetate and Ethinyl estradiol]], [[Norgestrel and Ethinyl estradiol]], [[octreotide injection]], [[omeprazole]], [[orlistat]], [[Oxcarbazepine]], [[Pantoprazole]], [[Paromomycin sulfate]],[[pazopanib hydrochloride]], [[Papaverine]], [[Piroxicam]], [[pegaspargase]], [[Pentamidine Isethionate]], [[pentavalent antimonial]], [[pentostatin]], [[perindopril]], [[phenazocine]], [[permethrin]], [[Pirfenidone]], [[Potassium iodide]], [[polyethylene glycol-electrolyte solution (PEG-ES)]], [[Potassium citrate]], [[praziquantel]], [[prazosin and polythiazide]], [[Primaquine phosphate]], [[procainamide]], [[procarbazine]], [[Progesterone]], [[propylthiouracil]], [[Rabeprazole]], [[Rasburicase]], [[rifaximin]], [[Ritonavir]], [[roxithromycin]], [[Saquinavir mesylate]], [[saxagliptin]], [[Secretin human]], [[simvastatin]], [[sorafenib]], [[sucralfate]], [[sulfasalazine]], [[Sunitinib]], [[thiotepa]], [[tianeptine]], [[Tigecycline]], [[topiramate]], [[topotecan]], [[Trametinib dimethyl sulfoxide]], [[trastuzumab]], [[Tretinoin]], [[triclofos]], [[valacyclovir]], [[Vancomycin]], [[vardenafil]],[[vandetanib]], [[vigabatrin]], [[vinblastine]], [[voriconazole]], [[Zafirlukast]],
|-
|-
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Ear Nose Throat'''
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Ear Nose Throat'''
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|-
|-
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Endocrine'''
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Endocrine'''
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | No underlying causes
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" |[[Addison's disease]], [[adrenal crisis]], [[Adrenal gland disorders|adrenal disorders]], [[adrenal gland hypofunction]], [[adrenal hemorrhage]], [[adrenal hyperplasia]], [[adrenal insufficiency]], [[Chiari-Frommel syndrome]], [[congenital adrenal hyperplasia]], [[cushing syndrome]], [[diabetes mellitus type 2]], [[diabetic gastroparesis]], [[diabetic ketoacidosis]], [[multiple endocrine neoplasia type 1]]
|-
|-
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Environmental'''
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Environmental'''
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|-
|-
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Gastroenterologic'''
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Gastroenterologic'''
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[Abdominal cramps]], [[abdominal cutaneous nerve entrapment syndrome]], [[abdominal mass]], [[accessory pancreas]], [[acute pancreatitis]], [[appendicitis]], [[autoimmune hepatitis]], [[autoimmune pancreatitis]], [[bacterial gastroenteritis]], [[bowel obstruction]], [[caecitis]], [[carcinoid syndrome]], [[celiac disease]], [[Charcot's triad]], [[cholangiocarcinoma]], [[cholangitis]], [[cholecystitis]], [[choledochal cysts]], [[chronic pancreatitis]], [[cirrhosis]], [[clostridial necrotizing enteritis]], [[colitis]], [[colonic polyps]], [[colorectal cancer]], [[constipation]], [[Crohn's disease]], [[diverticulitis]], [[duodenitis]], [[dyspepsia]], [[enteritis]], [[epiploic appendagitis]], [[gastric outlet obstruction]], [[gastritis]], [[gastroenteritis]], [[gastrointestinal perforation]], [[gastrointestinal stromal tumor]], [[hemosuccus pancreaticus]], [[ileitis]], [[ileus]], [[intestinal malrotation]], [[intestinal pseudoobstruction]], [[intussusception]], [[irritable bowel syndrome]], [[ischemic colitis]], [[König's syndrome]], [[Krukenberg tumor]], [[malabsorption]], [[Meckel's diverticulum]], [[mesenteric ischemia]], [[ogilvie syndrome]], [[pancreatic cancer]], [[pancreatitis]], [[peptic ulcer]], [[peritonitis]], [[porcelain gallbladder]], [[proctitis]], [[pseudomembranous colitis]], [[pseudomyxoma peritonei]], [[toxic megacolon]], [[ulcerative colitis]], [[volvulus]], [[Whipple's disease]]
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[Abdominal cramps]], [[abdominal cutaneous nerve entrapment syndrome]], [[abdominal mass]], [[accessory pancreas]], [[acute pancreatitis]], [[appendicitis]], [[autoimmune hepatitis]], [[autoimmune pancreatitis]], [[bacterial gastroenteritis]], [[bowel obstruction]], [[caecitis]], [[carcinoid syndrome]], [[celiac disease]], [[Charcot's triad]], [[cholangiocarcinoma]], [[cholangitis]], [[cholecystitis]], [[choledochal cysts]], [[choledocholithiasis]], [[cholelithiasis]], [[chronic erosive gastritis]], [[curling ulcers]], [[cushing ulcers]], [[hepatitis C|chronic hepatitis C]], [[chronic hepatitis]], [[Infectious diarrhea|chronic infectious diarrhea]], [[chronic pancreatitis]], [[cirrhosis]], [[clostridial necrotizing enteritis]], [[colitis]], [[Familial adenomatous polyposis|colorectal adenomatous polyposis, recessive]], [[cystica profunda|Colitis cystica profunda]], [[colon cancer, familial]], [[lactase deficiency|congenital lactase deficiency]], [[Congenital short bowel syndrome|congenital short bowel]], [[Constipation|colonic inertia]], [[colonic polyps]], [[colonic volvulus]], [[colorectal cancer]], [[Congenital hepatic porphyria]], [[constipation]], [[Crohn's disease]], [[Gastrointestinal physiology|decreased intestinal motility]], [[diarrhea]], [[diverticulitis]], [[duodenitis]], [[dyspepsia]], [[enteritis]], [[epiploic appendagitis]], [[gastric outlet obstruction]], [[gastritis]], [[gastroenteritis]], [[gastrointestinal perforation]], [[gastrointestinal stromal tumor]], [[hemosuccus pancreaticus]], [[ileitis]], [[ileus]], [[intestinal malrotation]], [[intestinal pseudoobstruction]], [[intussusception]], [[irritable bowel syndrome]], [[ischemic colitis]], [[König's syndrome]], [[Krukenberg tumor]], [[malabsorption]], [[Meckel's diverticulum]], [[mesenteric ischemia]], [[ogilvie syndrome]], [[pancreatic cancer]], [[pancreatitis]], [[peptic ulcer]], [[peritonitis]], [[porcelain gallbladder]], [[proctitis]], [[pseudomembranous colitis]], [[pseudomyxoma peritonei]], [[toxic megacolon]], [[ulcerative colitis]], [[volvulus]], [[Whipple's disease]], [[cholangitis]],
|-
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| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Genetic'''
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Genetic'''
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[Gilbert's syndrome]], [[Marfan syndrome]], [[periodic fever syndrome]], [[pyruvate carboxylase deficiency]], [[Slone's disease]]
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" |[[cystic fibrosis|Adult cystic fibrosis]], [[Baber's syndrome]], [[Cornelia de Lange Syndrome|Brachmann-de lange syndrome]], [[Caroli disease]], [[celiac disease]], [[Porphyria|chester porphyria]], [[Pallister–Killian syndrome|Chromosome 12, isochromosome 12p mosaic]], [[Pallister–Killian syndrome|chromosome 12p tetrasomy syndrome]], [[1p36 deletion syndrome|chromosome 1p deletion syndrome]], [[Di George syndrome|chromosome 22q deletion syndrome]], [[9q34 deletion syndrome|Chromosome 9q deletion syndrome]], [[colon cancer, familial]], [[familial adenomatous polyposis|colorectal adenomatous polyposis, recessive]], [[congenital adrenal hyperplasia]], [[aplastic anemia|congenital aplastic anemia]], [[lactase deficiency|congenital lactase deficiency]], [[Short bowel syndrome|congenital short bowel]], [[coproporphyria, hereditary]], [[Cornelia de Lange Syndrome]], [[Crohn's disease]], [[Desmoid tumor|desmoid disease, hereditary]], [[Gilbert's syndrome]], [[Marfan syndrome]], [[periodic fever syndrome]], [[pyruvate carboxylase deficiency]], [[Slone's disease]]
|-
|-
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Hematologic'''
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Hematologic'''
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[Capillary leak syndrome]], [[cholesterol emboli syndrome]], [[mastocytosis]], [[porphyria]]
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" |[[Acute erythroleukemia]], [[acute megacaryoblastic leukemia]], [[Myelofibrosis|acute myelofibrosis]], [[acute myeloid leukaemia]], [[acute non lymphoblastic leukemia]], [[anemic]], [[Leukemia|blood cancer]], [[aplastic anemia|congenital aplastic anemia]], [[Hereditary Spherocytosis|congenital spherocytic anemia]], [[porphyria]]
|-
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| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Iatrogenic'''
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Iatrogenic'''
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[Adjustable gastric band]], [[postcholecystectomy syndrome]], [[short bowel syndrome]], [[transfusion-associated graft versus host disease]]
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" |[[Adjustable gastric band]], [[cinchonism]], [[postcholecystectomy syndrome]], [[Gastric bypass surgery|Roux-en-y syndrome]]
 
*[[Roxithromycin]] [[short bowel syndrome]], [[transfusion-associated graft versus host disease]]
|-
|-
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Infectious Disease'''
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Infectious Disease'''
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[African horse sickness]], [[Anisakis]], [[Ascaris infection]], [[Astroviridae]], [[Bacillus cereus]], [[blastocystosis]], [[Brachylaima]], [[campylobacteriosis]], [[cat scratch fever]], [[Cestoda]], [[Clostridium difficile]], [[Colorado tick fever]], [[Cryptosporidium parvum]], [[Dengue fever]], [[Ebola]], [[Entamoeba histolytica]], [[familial Mediterranean fever]], [[fasciolopsiasis]], [[fasciolosis]], [[fungemia]], [[Fusarium]], [[Giardia lamblia]], [[Hantavirus pulmonary syndrome]], [[Helicobacter pylori infection]], [[Henipavirus]], [[hookworm]], [[Hymenolepis infection]], [[isosporiasis]], [[leptospirosis]], [[Mycobacterium avium complex]], [[Norovirus]], [[Opisthorchis infection]], [[Paragonimus infection]], [[Q fever]], [[rheumatic fever]], [[Rocky Mountain spotted fever]], [[salmonellosis]], [[scarlet fever]], [[schistosomiasis]], [[scombrotoxic fish poisoning]], [[shigellosis]], [[strongyloidiasis]], [[toxocariasis]], [[trichomoniasis]], [[typhoid fever]], [[Vibrio vulnificus]], [[viral hepatitis ]], [[whipworm infection]], [[yellow fever]], [[yersiniosis]]
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[African horse sickness]], [[amoebiasis]], [[ancylostoma duodenale]], [[angiostrongyliasis]], [[anguillulosis]], [[anisakis]], [[ankylostomiasis]],[[anthrax]], [[Arcobacter|arcobacter infection]], [[arenavirus]], [[ascariasis]], [[cholangitis|ascending cholangitis,]], [[astrovirus]], aseptic abscesses syndrome, [[astroviridae]], [[autoimmune hepatitis]], [[oophoritis|autoimmune oophoritis]], [[babesiosis]], [[bacillus cereus]], [[bacterial gastroenteritis]], [[Sepsis|bacterial septicemia]], [[bartonella infections]], [[balantidiasis]], [[blastocystosis]], [[Bornholm disease]], [[bothriocephalosis]], [[Botulism|botulism food poisoning]], [[brachylaima]], [[burkholderia pseudomallei]], [[campylobacteriosis]], [[Capillaria philippinensis|capillaria philippiensis infection]], [[cat scratch fever]], [[cestoda]], [[clostridium difficile]], [[Chagas disease]], [[chandipura virus]], [[chlamydial infection]], [[hepatitis c|chronic hepatitis c]], [[chronic hepatitis]], [[diarrhea|chronic infectious diarrhea]], [[clonorchiasis]], [[clostridial necrotizing enteritis]], [[Escherichia coli|colibacillosis]], [[Colorado tick fever]], [[Colorado tick fever|Colorado tick encephalitis]], [[cryptosporidium parvum]], [[cryptosporidiosis]], [[cyclosporiasis]], [[cystitis]], [[Dengue fever]], [[dicrocoelium dendriticum fluke]], [[diarrhea]], [[Escherichia coli|diarrheagenic escherichia coli]], [[dientamoeba fragilis]], [[ebola]], [[entamoeba histolytica]], [[familial Mediterranean fever]], [[fasciolopsiasis]], [[fasciolosis]], [[fungemia]], [[fusarium]], [[Giardia lamblia]], [[Hantavirus pulmonary syndrome]], [[Helicobacter pylori infection]], [[Henipavirus]], [[hookworm]], [[hymenolepis infection]], [[isosporiasis]], [[leptospirosis]], [[mycobacterium avium complex]], [[norovirus]], [[opisthorchis infection]], [[paragonimus infection]], [[Q fever]], [[rheumatic fever]], [[rocky mountain spotted fever]], [[salmonellosis]], [[scarlet fever]], [[schistosomiasis]], [[scombrotoxic fish poisoning]], [[shigellosis]], [[strongyloidiasis]], [[toxocariasis]], [[trichomoniasis]], [[typhoid fever]], [[vibrio vulnificus]], [[viral hepatitis ]], [[whipworm infection]], [[yellow fever]], [[yersiniosis]]  
|-
|-
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Musculoskeletal / Ortho'''
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Musculoskeletal / Ortho'''
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|-
|-
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Neurologic'''
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Neurologic'''
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[Autonomic neuropathy]]
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[Autonomic neuropathy]], [[Charcot's triad]], [[chronic fatigue syndrome]] 
|-
|-
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue"| '''Nutritional / Metabolic'''
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue"| '''Nutritional / Metabolic'''
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[Diabetic ketoacidosis]], [[food allergy]], [[food intolerance]], [[lactic acidosis]], [[metabolic acidosis]], [[pantothenic acid]], [[Zieve's syndrome]]
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" |[[Amyloidosis|Amyloidosis AL]], [[Anise|aniseed]], [[Acquired C1-esterase inhibitor deficiency|C1 esterase inhibitor deficiency]], [[Malabsorption|carbohydrate malabsorption]], [[Carrageenan|carageenan gum]], [[carnitine-acylcarnitine translocase deficiency]], [[Barraquer–Simons syndrome|cephalothoracic progressive lipodystrophy]], [[chocolate]], [[Lactose intolerance|congenital lactase deficiency]], [[Sucrose intolerance|congenital sucrose-isomaltose malabsorption]], [[Cope's syndrome]], [[coproporphyria, hereditary]], [[pantothenic acid]]
|-
|-
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Obstetric / Gynecologic'''
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Obstetric / Gynecologic'''
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[Cervical cancer]], [[ectopic pregnancy]], [[endometrial cancer]], [[endometriosis]], [[menstruation]], [[ovarian cancer]], [[ovarian cyst]], [[ovarian hyperstimulation syndrome]], [[ovarian torsion]], [[pelvic inflammatory disease]], [[placental abruption]], [[pregnancy]], [[Salpingitis]], [[uterine fibroids]], [[uterine rupture]], [[uterine sarcoma]]
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" |[[Asherman syndrome]], [[oophoritis|Autoimmune oophoritis]], [[Braxton Hicks contractions]], [[breech presentation]], [[cervical cancer]], [[contraceptive patch]], [[ectopic pregnancy]], [[endometrial cancer]], [[endometriosis]], [[menstruation]], [[ovarian cancer]], [[ovarian cyst]], [[ovarian hyperstimulation syndrome]], [[ovarian torsion]], [[pelvic inflammatory disease]], [[placental abruption]], [[pregnancy]], [[salpingitis]], [[uterine fibroids]], [[uterine rupture]], [[uterine sarcoma]]
|-
|-
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Oncologic'''
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Oncologic'''
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[Desmoplastic small round cell tumor]], [[liposarcoma]], [[liver tumor]], [[mesothelioma]], [[sacrococcygeal teratoma]]
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" |[[Cancer|Abdominal neoplasms]], [[acute erythroleukemia]], [[acute leukaemia]], [[acute megacaryoblastic leukemia]],[[Myelofibrosis|acute myelofibrosis]],[[acute non lymphoblastic leukemia]], [[Pancreatic cancer|adenoma, islet cell]], [[adnexal and skin appendage neoplasms]],[[anal cancer]], [[angiomyolipoma]], [[appendix cancer]], [[bile duct cancer]], [[biliary tract cancer]], [[bladder cancer]], [[Leukemia|blood cancer]], [[Linitis plastica|brinton disease]], [[Burkitt lymphoma]], [[carcinoid syndrome]],[[cervical cancer]], [[liver cancer|childhood liver cancer, primary]], [[cholangiocarcinoma]], [[chronic myelomonocytic leukemia]], [[chronic neutrophilic leukemia]], [[ renal cell carcinoma|clear cell renal cell carcinoma]], [[collecting duct carcinoma]], [[colon cancer, familial]], [[colorectal cancer]], [[desmoplastic small round cell tumor]], [[liposarcoma]], [[liver tumor]], [[mesothelioma]], [[sacrococcygeal teratoma]]
|-
|-
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Ophthalmologic'''
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Ophthalmologic'''
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|-
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| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Overdose / Toxicity'''
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Overdose / Toxicity'''
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[4-Nitrophenol]], [[cicutoxin]], [[cinchonism]], [[clitocybe dealbata]], [[colchicine]], [[hebeloma crustuliniforme]], [[hypervitaminosis A]], [[sorbitol]], [[statins]], [[tegaserod]], [[tetrodotoxin]]
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" |[[Aflatoxin]],[[clupeotoxism]], [[dexedrine|dexedrine overdose]], [[hypervitaminosis A]]
|-
|-
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Psychiatric'''
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Psychiatric'''
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | No underlying causes
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" |[[Bulimia nervosa]], [[bipolar disorder|childhood-onset bipolar disorder]], [[depression]] 
|-
|-
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Pulmonary'''
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Pulmonary'''
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[pneumonia|Basal pneumonia]], [[empyema]], [[pleuritis]], [[pulmonary embolism]], [[pulmonary infarction]], [[tuberculosis]]
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" |[[Allergies]], [[alveolar hydatid disease]], [[anaphylaxis]], [[acquired angioedema]], [[angioneurotic edema]], [[aspiration pneumonia]], [[pneumonia|basal pneumonia]], [[Chilaiditi syndrome]], [[Churg-Strauss syndrome]], [[Bronchogenic cyst|congenital bronchogenic cyst]], [[decompression sickness]], [[empyema]], [[pleuritis]], [[pulmonary embolism]], [[pulmonary infarction]], [[tuberculosis]]  
|-
|-
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Renal / Electrolyte'''
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Renal / Electrolyte'''
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[Hydronephrosis]], [[hypercalcemia]], [[hyperkalemia]], [[hypocalcemia]], [[nutcracker syndrome]], [[polycystic kidney disease]], [[pyelonephritis]], [[ureterocele]], [[urinary tract infection]]
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" |[[Bright's disease]], [[Burnett's milk drinker's syndrome]], [[chronic renal insufficiency]], [[Renal cell carcinoma|clear cell renal cell carcinoma]], [[collecting duct carcinoma]], [[lactic acidosis|congenital lactic acidosis]], [[Megaureter|congenital megalo-ureter]], [[Peritoneal dialysis|continuous ambulatory peritoneal dialysis]], [[Cope's syndrome]], [[cystitis]], [[hydronephrosis]], [[hypercalcemia]], [[hyperkalemia]], [[hypocalcemia]], [[nutcracker syndrome]], [[polycystic kidney disease]], [[pyelonephritis]], [[ureterocele]],[[urinary tract infection]]
|-
|-
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Rheum / Immune / Allergy'''
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Rheum / Immune / Allergy'''
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[Polyarteritis nodosa]], [[systemic lupus erythematosus]]
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" |[[Allergies]], [[alpha heavy chain disease]], [[anaphylaxis]], [[acquired angioedema]], [[angiofollicular ganglionic hyperplasia]], [[angioneurotic edema]], [[oophoritis|autoimmune oophoritis]], [[autoimmune pancreatitis]], [[Thyroid disease|autoimmune thyroid disease]], [[Behcet's disease]], [[celiac disease]], [[chronic fatigue syndrome]], [[chronic necrotizing vasculitis]], [[Churg-Strauss syndrome]], [[citric acid intolerance]], [[celiac disease|collagenous celiac disease]], [[systemic sclerosis|diffuse systemic sclerosis]], [[systemic lupus erythematosus]], [[polyarteritis nodosa]]  
|-
|-
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Sexual'''
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Sexual'''
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|-
|-
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Urologic'''
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Urologic'''
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[Prostate cancer]], [[prostatitis]]
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" |[[Bladder cancer]], [[prostate cancer]], [[prostatitis]]
|-
|-
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Miscellaneous'''
| style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Miscellaneous'''
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[Alcoholic hepatitis]], [[chronic fatigue syndrome]], [[chronic functional abdominal pain]], [[foreign body]], [[ruptured spleen]], [[side stitch]], [[Situs inversus]], [[Zollinger-Ellison syndrome]]
| style="height:100px"; style="width:75%" border="1" bgcolor="Beige" |[[African horse sickness]], [[baking powder]], [[foreign body]], [[side stitch]], [[capillary leak syndrome]]  
|-
|-
|}
|}


===Causes in Alphabetical Order===
===Causes in Alphabetical Order===
{{col-begin|width=80%}}
{{columns-list|4|
{{col-break|width=33%}}
*[[1,1-Dichloroethene ]]
*[[1,2-Dibromo-3-chloropropane  ]]
*[[1,2-Dibromoethane]]
*[[1,2-Dichloroethane ]]
*[[1,4-Dioxane ]]
*[[Propan-1-ol|1-Propanol]]
*[[Trinitrotoluene|2,4,6-Trinitrotoluene ]]
*[[2,4-Dichlorophenol|2,4-Dichlorophenol ]]
*[[2-acetylamino-fluorene|2-Acetylamino-fluorene ]]
*[[2-Butoxyethanol]]
*[[2-Hexanone]]
*[[MCPA|2-Methyl-4-chlorophenoxyacetic acid ]]
*[[2-Nitropropane ]]
*[[4-Aminopyridine ]]
*[[4-Dimethylaminoazobenzene]]
*[[Flucytosine|5-Fluorocytosine]]
*[[8-Hydroxyquinoline]]
*[[Abdominal abscess ]]
*[[Abdominal aortic aneurysm]]
*[[Abdominal aortic aneurysm]]
*[[Abdominal cramps]]
*[[Abdominal cutaneous nerve entrapment syndrome]]
*[[Abdominal cutaneous nerve entrapment syndrome]]
*[[Abdominal cystic lymphangioma]]
*[[Abdominal hernia ]]
*[[Abdominal trauma|Abdominal injuries]]
*[[Abdominal mass]]
*[[Abdominal mass]]
*[[Abdominal migraine|Abdominal migraine pain]]
*[[Abdominal cancer|Abdominal neoplasms ]]
*[[Abruptio placentae ]]
*[[Acanthocephaliasis]]
*[[Acanthocytosis ]]
*[[Acarbose]]
*[[Acarbose]]
*[[Accessory pancreas]]
*[[Accessory pancreas]]
*[[Acetaminophen toxicity|Acetaminophen poisoning ]]
*[[Acetic acid]]
*[[Acetonitrile]]
*[[Grayanotoxin|Acetylandromedol]]
*[[Acetylene tetrabromide]]
*[[Acetylsalicylic acid]]
*[[Acetylsalicylic acid]]
*[[Aciclovir]]
*[[Acyclovir]]
*[[Acute pancreatitis]]
*[[Acinic cell carcinoma]]
*[[Acipimox]]
*[[Aconitum]]
*[[Acquired angioedema ]]
*[[Acrinathrin]]
*[[Acrylamide]]
*[[Acrylic acid]]
*[[Acrylonitrile ]]
*[[Acute angle-closure glaucoma]]
*[[Acute appendicitis  ]]
*[[Acute cholecystitis]]
*[[Acute erythroleukemia ]]
*[[Acute fatty liver of pregnancy ]]
*[[gastritis|Acute gastritis]]
*[[Acute intermittent porphyria]]
*[[Acute leukemia ]]
*[[Acute megacaryoblastic leukemia ]]
*[[Mercury poisoning|Acute mercury inhalation ]]
*[[Acute mesenteric ischemia]]
*[[myelofibrosis|Acute myelofibrosis]]
*[[Acute myeloid leukaemia]]
*[[Acute non lymphoblastic leukemia ]]
*[[nonulcer dyspepsia|Acute non ulcer dyspepsia ]]
*[[Acute pancreatitis]]
*[[Acute prostatitis ]]
*[[Acute rheumatic fever ]]
*[[urinary retention|Acute urinary retention ]]
*[[Addison's disease]]
*[[Islet Cell adenoma|Adenoma, islet cell ]]
*[[Adenophorea Infections ]]
*[[Adhesions ]]
*[[Adiponitrile]]
*[[Adjustable gastric band]]
*[[Adjustable gastric band]]
*[[African horse sickness]]
*[[Adnexal and skin appendage neoplasms ]]
*[[Adrenal crisis ]]
*[[Adrenal gland disorders|Adrenal disorders ]]
*[[Adrenal hemorrhage]]
*[[Adrenal hyperplasia]]
*[[Adrenal insufficiency]]
*[[cystic fibrosis|Adult cystic fibrosis ]]
*[[Aesculin ]]
*[[Aflatoxin|Aflatoxicosis]]
*[[African horse sickness]]
*[[Alanycarb ]]
*[[Albitocin ]]
*[[Alcohol ]]  
*[[Alcoholic hepatitis]]
*[[Alcoholic hepatitis]]
*[[Alcoholic liver disease ]]
*[[Aldicarb]]
*[[Aldoxycarb]]
*[[Alicyclic Hydrocarbons|Alicyclic hydrocarbons ]]
*[[Aliphatic Amines|Aliphatic amines ]]
*[[Aliphatic Hydrocarbons|Aliphatic hydrocarbons ]]
*[[Aliphatic hydrogenated hydrocarbons ]]
*[[Allergies ]]
*[[Allopurinol]]
*[[Allyl alcohol ]]
*[[Allyl chloride]]
*[[Allylamines ]]
*[[Allyxycarb ]]
*[[Almond]]
*[[Aloe poisoning ]]
*[[Alosetron]]
*[[Alpha heavy chain disease]]
*[[Cypermethrin |Alpha-cypermethrin ]]
*[[Aluminum phosphide ]]
*[[Alveolar hydatid disease]]
*[[Amanita phalloides]]
*[[Amanita phalloides]]
*[[Aminocaproic acid]]
*[[Amanita polypyramis poisoning ]]
*[[Anisakis]]
*[[Amaranth ]]
*[[Amebiasis]]
*[[Colorado tick fever|American mountain fever]]
*[[Amidithion ]]
*[[Amines ]]
*[[Aminocaproic acid]]  
*[[Aminocarb]]
*[[Amiton]]
*[[Ammonium bifluoride]]
*[[Ammonium nitrate]]
*[[Amodiaquine ]]
*[[Amoebiasis ]]
*[[Amphetamine|Amphetamine abuse]]
*[[Amphotericin]]
*[[Amygdalin ]]
*[[Amyl acetate ]]
*[[Amyloidosis AL ]]
*[[Anal cancer ]]
*[[Anaphylaxis]]
*[[Ancylostoma caninum]]
*[[Ancylostoma duodenale ]]
*[[Grayanotoxin|Andromedotoxin ]]
*[[Anemic ]]
*[[Anesthesia |Anesthetic agent]]
*[[Angioedema|Angioedema, acquired]]
*[[Angiofollicular ganglionic hyperplasia ]]
*[[Angiomyolipoma]]
*[[Angioneurotic edema ]]
*[[Angiostrongyliasis]]
*[[Anguillulosis ]]
*[[Anisakiasis]]
*[[Anise|Aniseed ]]
*[[Ankylostomiasis ]]
*[[Anthraquinone]]
*[[Anthrax ]]
*[[Antiarrhythmics]]
*[[Antibiotics]]
*[[Anticoagulants]]
*[[Antifungals]]
*[[Antihypertensives]]
*[[Antimony ]]
*[[Antineoplastic agents]]
*[[Antithyroid agent]]
*[[Antiviral medication]]
*[[Aortic aneurysm ]]
*[[Appendicitis]]
*[[Appendicitis]]
*[[Appendix cancer ]]
*[[Spider bite|Arachnidism]]
*[[Arcobacter|Arcobacter infection]]
*[[Arenavirus ]]
*[[Aromatic amines ]]
*[[Aromatic halogenated hydrocarbons ]]
*[[Arsenic poisoning]]
*[[Arsenic poisoning]]
*[[Ascaris infection]]
*[[Arsenic trioxide]]
*[[Arsine ]]
*[[Ascariasis ]]
*[[Cholangitis|Ascending cholangitis,]]
*Aseptic abscesses syndrome
*[[Asherman syndrome]]
*[[Asphalt]]
*[[Aspirin]]
*[[Astroviridae]]
*[[Astroviridae]]
*[[Astrovirus ]]
*[[Athyl-Gusathion ]]
*[[Ativan|Ativan withdrawal ]]
*[[Atomoxetine]]
*[[Auranofin]]
*[[Auranofin]]
*[[Autoimmune hepatitis]]
*[[Autoimmune hepatitis]]
*[[oophoritis|Autoimmune oophoritis ]]
*[[Autoimmune pancreatitis]]
*[[Autoimmune pancreatitis]]
*[[Autonomic neuropathy]]
*[[Thyroid disease|Autoimmune thyroid disease ]]
*[[Autonomic neuropathy]]
*[[Azalea|Azalea poisoning]]
*[[Azinfos-methyl]]
*[[Azinfosethyl ]]
*[[Azinphosmetile ]]
*[[Azithromycin]]
*[[Azithromycin]]
*[[Aztreonam]]
*[[Azothoate]]
*[[Aztreonam]]
*[[Baber's syndrome ]]
*[[Babesiosis ]]
*[[Bacillary dysentery]]
*[[Bacillus cereus]]
*[[Bacillus cereus]]
*[[Bacterial gastroenteritis]]
*[[Bacterial gastroenteritis]]
*[[Sepsis overview|Bacterial septicemia]]
*[[Baking powder]]
*[[Balantidiasis]]
*[[Banti's syndrome ]]
*[[Barium]]
*[[Barium nitrate]]
*[[Barium nitrate]]
*[[Barrett's esophagus]]
*[[Bartonella infections]]
*[[Bearn-Kunkel syndrome ]]
*[[Behcet's disease ]]
*[[Bendiocarb]]
*[[peptic ulcer|Benign peptic ulcer ]]
*[[Benoxafos]]
*[[Benzene]]
*[[Benzodiazepine]]
*[[Benzyl chloride ]]
*[[Beryllium ]]
*[[Cyfluthrin |Beta-cyfluthrin ]]
*[[Bethanechol chloride]]
*[[Bethanechol chloride]]
*[[Bezafibrate]]
*[[Bezafibrate]]
*[[Bezoar]]
*[[Bicarbonate|Bicarbonate deficit]]
*[[Bifenthrin]]
*[[Bile acid|Bile acid synthesis defects]]
*[[Bile duct cancer]]
*[[Bile duct cysts]]
*[[Biliary atresia ]]
*[[Biliary colic]]
*[[Biliary tract cancer]]
*[[Bioallethrin ]]
*[[Resmethrin |Bioresmethrin ]]
*[[Bipyridyl pesticides ]]
*[[Bismuth ]]
*[[Black locust poisoning ]]
*[[Black nightshade poisoning ]]
*[[Black widow spider envenomation|Black widow spider bite]]
*[[Bladder cancer]]
*[[Blastocystis hominis ]]
*[[Blastocystosis]]
*[[Blastocystosis]]
*[[Bowel obstruction]]
*[[Leukemia|Blood cancer]]
*[[Brachylaima]]
*[[Borates]]
*[[Buprenorphine]]/[[naloxone]]
*[[Bornholm disease]]
*[[Budd-Chiari syndrome]]
*[[Borane|Boron hydrides]]
*[[Busulfan]],
*[[Bosutinib]]
*[[Bothriocephalosis]]
*[[Botulism overview|Botulism food poisoning ]]
*[[Bowel obstruction]]
*[[Volvulus|Bowel strangulation]]
*[[Box thorn poisoning ]]
*[[Brachmann-de Lange syndrome ]]
*[[Brachylaima]]
*[[Brainerd diarrhea ]]
*[[Braxton Hicks contractions]]
*[[Breech presentation]]
*[[Bright's disease ]]
*[[Linitis plastica|Brinton disease ]]
*[[Briquet syndrome ]]
*[[Bromide ]]
*[[Bromophos]]
*[[Bromophos-ethyl]]
*[[Budd–Chiari syndrome]]
*[[Bufencarb]]
*[[Bulimia nervosa ]]
*[[Buprenorphine]]
*[[Burkholderia pseudomallei]]
*[[Burkitt lymphoma]]
*[[Burnett's milk drinker's syndrome ]]  
*[[Busulfan]]
*[[Butacarb]]
*[[Butocarboxim]]
*[[Ranunculus|Buttercup poisoning]]
*[[Butyrophenone]]
*[[Acquired C1-esterase inhibitor deficiency|C1 esterase inhibitor deficiency]]
*[[Cadmium]]
*[[Cadusafos]]
*[[Caecitis]]
*[[Caecitis]]
*[[Calcium hypochlorite]]
*[[Calcium oxide]]
*[[Camphor]]
*[[Campylobacteriosis]]
*[[Campylobacteriosis]]
*[[Capillary leak syndrome]]
*[[Euphorbia lathyris|Caper spruge poisoning ]]
*[[Capillaria philippinensis|Capillaria philippiensis infection ]]
*[[Capillary leak syndrome]]
*[[Captan]]
*[[Carrageenan|Carageenan gum]]
*[[Carbamate insecticide poisoning]]
*[[Carbarsone ]]
*[[Carbaryl]]
*[[Carbofuran]]
*[[Malabsorption|Carbohydrate malabsorption]]
*[[Carbon disulfide]]
*[[Carbon monoxide toxicity]]
*[[Carbon tetrachloride]]
*[[Carbophenothion ]]
*[[Carbosulfan]]
*[[Carcinoid|Carcinoid crisis ]]
*[[Carcinoid syndrome]]
*[[Carcinoid syndrome]]
*[[Carmine]]
*[[Carnitine-acylcarnitine translocase deficiency]]
*[[Caroli disease ]]
*[[Caspofungin]]
*[[Caspofungin]]
*[[Cat scratch fever]]
*[[Cast syndrome ]]
*[[Cefdinir]]
*[[Cat scratch disease]]
*[[Cefdinir]]  
*[[Cefixime]]
*[[Cefixime]]
*[[Cefuroxime]]
*[[Cefuroxime]]
*[[Median arcuate ligament syndrome|Celiac artery compression syndrome]]
*[[Celiac disease]]
*[[Celiac disease]]
*[[Celiac sprue]]
*[[Cephalosporin ]]
*[[Barraquer–Simons syndrome|Cephalothoracic progressive lipodystrophy ]]
*[[Cervical cancer]]
*[[Cervical cancer]]
*[[Cestoda]]
*[[Cestoda]]
*[[Charcot's triad]]
*[[Chagas disease ]]
*[[Chandipura virus]]
*[[Charcot's triad]]
*[[Porphyria|Chester porphyria]]
*[[Chiari-Frommel syndrome]]
*[[Chilaiditi syndrome]]
*[[Chronic functional abdominal pain|Childhood functional abdominal pain syndrome]]
*[[Liver cancer|Childhood liver cancer, primary]]
*[[Bipolar disorder|Childhood-onset bipolar disorder]]
*[[Chlamydial infection ]]
*[[Chloramphenicol]]
*[[Chlorate salts]]
*[[Chlordane]]
*[[Chlorfenvinphos ]]
*[[Chlorinated benzenes ]]
*[[Polychlorinated naphthalene|Chlorinated naphthalenes ]]
*[[Chlorobenzene]]
*[[Polychlorinated biphenyl|Chlorodiphenyl]]
*[[Chloroform ]]
*[[Chloropicrin]]
*[[Chloroprene ]]
*[[Chloropyrifos]]
*[[Chloroquine]]
*[[Chocolate ]]
*[[Prunus virginiana|Chokecherry seed poisoning]]
*[[Cholangiocarcinoma]]
*[[Cholangiocarcinoma]]
*[[Cholangitis]]
*[[Cholangitis]]
*[[Cholecystitis]]
*[[Cholecystitis]]
*[[Choledochal cysts]]
*[[Choledochal cyst]]
*[[Cholesterol emboli syndrome]]
*[[Choledocholithiasis]]
*[[Chronic fatigue syndrome]]
*[[Cholelithiasis]]
*[[Chronic functional abdominal pain]]
*[[Cholesterol emboli syndrome]]
*[[Christmas Cherry poisoning|Christmas cherry poisoning]]
*[[Chromium ]]
*[[1p36 deletion syndrome|Chromosome 1p deletion syndrome]]
*[[9q34 deletion syndrome|Chromosome 9q deletion syndrome]]
*[[Pallister–Killian syndrome|Chromosome 12, isochromosome 12p mosaic]] 
*[[Tetrasomy|Chromosome 12p tetrasomy syndrome]]
*[[Di George syndrome|Chromosome 22q deletion syndrome]]
*[[Appendicitis |Chronic appendicitis ]]
*[[cholecystitis|Chronic cholecystitis]]
*[[Chronic constipation]]
*[[Chronic erosive gastritis]]
*[[Chronic fatigue syndrome]]  
*[[Chronic functional abdominal pain]]
*[[Chronic hepatitis]]
*[[Chronic hepatitis C ]]
*[[Infectious diarrhea|Chronic infectious diarrhea]]
*[[Chronic myelomonocytic leukemia]]
*[[Chronic necrotizing vasculitis]]
*[[Chronic neutrophilic leukemia]]
*[[Dyspepsia classification|Chronic nonulcer dyspepsia]]
*[[Chronic pancreatitis]]
*[[Chronic pancreatitis]]
*[[Chronic pyelonephritis ]]
*[[Chronic renal insufficiency ]]
*[[Churg-Strauss syndrome]]
*[[Cicutoxin]]
*[[Cicutoxin]]
*[[Cidofovir]]
*[[Cidofovir]]
*[[Ciguatera poisoning]]
*[[Cimetidine]]
*[[Cinchonism]]
*[[Cinchonism]]
*[[Ciprofloxacin]]
*[[Cirrhosis]]
*[[Cirrhosis]]
*[[Cisapride]]
*[[Citric acid intolerance]]
*[[Cladribine]]
*[[Cladribine]]
*[[Renal cell carcinoma|Clear cell renal cell carcinoma]]
*[[Clidinium]]
*[[Clidinium]]
*[[Clindamycin]]
*[[Clindamycin]]
*[[Clitocybe dealbata]]
*[[Clitocybe dealbata]]
*[[Cloethocarb]]
*[[Clofibrate]]
*[[Clofibrate]]
*[[Clonorchiasis]]
*[[Clostridial necrotizing enteritis]]
*[[Clostridial necrotizing enteritis]]
*[[Clostridium difficile]]
*[[Clostridium difficile]]
*[[Clostridium perfringens food poisoning ]]
*[[Clostridium sordellii]]
*[[Palytoxin|Clupeotoxism]]
*[[Coastal leucothoe poisoning]]
*[[Cobalt ]]
*[[Cobra poisoning]]
*[[Codeine withdrawal]]
*[[Senna obtusifolia|Coffeeweed poisoning]]
*[[Colchicine]]
*[[Colchicine]]
*[[Escherichia coli|Colibacillosis]]
*[[Colic]]
*[[Colitis]]
*[[Colitis]]
*[[Rectal prolapse|Colitis cystica profunda]]
*[[celiac disease|Collagenous celiac disease]]
*[[Renal cell carcinoma classification|Collecting duct carcinoma ]]
*[[Colon cancer, familial]]
*[[Colonic diverticulitis]]
*[[Lactic acidosis|Congenital lactic acidosis]]
*[[Constipation|Colonic inertia]]
*[[Colonic polyps]]
*[[Colonic polyps]]
*[[Colorado tick fever]]
*[[Colonic pseudoobstruction]]
*[[Colonic volvulus ]]
*[[Colorado tick fever|Colorado tick encephalitis]]
*[[Colorado tick fever]]
*[[Familial adenomatous polyposis overview|Colorectal adenomatous polyposis, recessive]]
*[[Colorectal cancer]]
*[[Colorectal cancer]]
*[[Congenital adrenal hyperplasia]]
*[[aplastic anemia|Congenital aplastic anemia ]]
*[[Bronchogenic cyst|Congenital bronchogenic cyst]]
*[[Congenital hepatic porphyria]]
*[[Lactose intolerance classification|Congenital lactase deficiency ]]
*[[Megaureter|Congenital megalo-ureter]]
*[[Short bowel syndrome|Congenital short bowel]]
*[[Hereditary spherocytosis (patient information)|Congenital spherocytic anemia]]
*[[Sucrose intolerance|Congenital sucrose-isomaltose malabsorption ]]
*[[Constipation]]
*[[Constipation]]
*[[Peritoneal dialysis|Continuous ambulatory peritoneal dialysis]]
*[[Contraceptive patch]]
*[[Contraceptive patch]]
*[[Cope's syndrome]]
*[[Copper|Copper salts]]
*[[Copper toxicity ]]
*[[Coproporphyria, hereditary]]
*[[Cornelia de Lange Syndrome ]]
*[[Hellebore|Corsican hellebore poisoning ]]
*[[Coumaphos]]
*[[Cresol]]
*[[Cresol]]
*[[Crohn's disease]]
*[[Crohn's disease]]
*[[Cryptosporidium parvum]]
*[[Cryptosporidiosis]]
*[[Curling ulcers]]
*[[Cushing syndrome]]
*[[Cushing ulcers]]
*[[Cyanogenic glycoside]]
*[[Cyanthoate]]
*[[Cycad nut poisoning]]
*[[Cycasin]]
*[[Cyclic vomiting syndrome]]
*[[Cyclochlorotine ]]
*[[Cyclopropane]]
*[[Cycloserine ]]
*[[Cyclospora cayetanensis|Cyclospora cayetanenis food poisoning]] 
*[[Cyclosporiasis]]
*[[Cyfluthrin ]]
*[[Cypermethrin]]
*[[Cyphenothrin]]
*[[Cypress Spurge|Cypress spurge poisoning]]
*[[Cystitis]]
*[[Cytarabine]]
*[[Dactinomycin]]
*[[Dactinomycin]]
*[[Danazol]]
*[[Narcissus pseudonarcissus|Daffodil poisoning ]]
*[[Danazol]]
*[[Dantrolene]]
*[[Daptomycin]]
*[[Daptomycin]]
*[[Darvocet overdose]]
*[[Solanum dulcamara|Deadly nightshade (solanum dulcamara) poisoning]]
*[[List of poisonous plants|Deathcamas poisoning]]
*[[Decarbofuran]]
*[[Decompression sickness]]
*[[Deferiprone]]
*[[Deferiprone]]
*[[Dengue fever]]
*[[Degos disease]]
*[[Depo-Provera]]
*[[Deltamethrin ]]
*[[Demeton]]
*[[Dengue fever]]  
*[[Depo-Provera|Depo-provera]]
*[[Depression]]
*[[Desmoid tumor|Desmoid disease, hereditary]]
*[[Desmoplastic small round cell tumor]]
*[[Desmoplastic small round cell tumor]]
*[[Desmopressin]]
*[[Desmopressin]]
*[[lactase deficiency|Developmental lactase deficiency ]]
*[[Lycoperdon perlatum|Devil's snuff box poisoning ]]
*[[Dexedrine overdose]]
*[[Diabetes mellitus type 2]]
*[[Diabetic gastroparesis ]]
*[[Diabetic ketoacidosis]]
*[[Diabetic ketoacidosis]]
*[[Didanosine]]
*[[Dialifos]]
*[[Diarrhea]]
*[[Escherichia coli|Diarrheagenic escherichia coli ]]
*[[Diazinon ]]
*[[Dibromochloropropane ]]
*[[Dichlorvos ]]
*[[Dicresyl]]
*[[Dicrocoelium dendriticum fluke]]
*[[Dicrotophos]]
*[[Didanosine]]
*[[Dientamoeba fragilis]]
*[[Diethylene glycol]]
*[[Systemic scleroderma|Diffuse systemic sclerosis ]]  
*[[Diflunisal]]
*[[Diflunisal]]
*[[Digestive diseases ]]
*[[Digestive system neoplasm|Digestive system cancer]]
*[[Digitalis glycoside]]
*[[Digoxin]]
*[[Dilated cardiomyopathy ]]
*[[Dilaudid withdrawal]]
*[[Dimetan]]
*[[Dimethoate]]
*[[Dimethyl fumarate]]
*[[Dimethyl phthalate]]
*[[Dimethylnitrosamine]]
*[[Dimetilan]]
*[[Dinitrobenzene ]]
*[[Dinitrocresol]]
*[[Dinitrophenol ]]
*[[Dinitrotoluene ]]
*[[Dinutuximab]]
*[[Dioxacarb]]
*[[Dioxathion ]]
*[[Diphenyl ]]
*[[Diphyllobothrium infection|Diphyllobothrium latum infection]]
*[[Dipylidium caninum infection ]]
*[[Diquat |Diquat dibromide]]
*[[Withdrawal syndrome|Discontinuation syndrome]]
*[[mycobacterium avium complex|Disseminated infection with mycobacterium avium complex]]
*[[Dissociative disorder]]
*[[colorectal cancer|Distal colorectal cancer]]
*[[Fasciolosis|Distomatosis ]]
*[[Disulfiram]]
*[[Disulfoton ]]
*[[Diverticular disease ]]
*[[Diverticulitis]]
*[[Diverticulitis]]
*[[Dobrava-Belgrade virus]]
*[[Dobriner syndrome]]
*[[Donepezil]]
*[[Donepezil]]
*[[Doxorubicin Hydrochloride]]  
*[[Down syndrome]]
*[[Doxorubicin hydrochloride]]
*[[Dressler's syndrome]]
*[[Drotrecogin alfa]]
*[[Drotrecogin alfa]]
*[[Drug allergy|Drug allergies]]
*[[Drug overdose]]
*[[Overdose|Drug poisoning ]]
*[[Dubin-Johnson Syndrome|Dubin-johnson syndrome]]
*[[Duodenal ulcer]]
*[[Duodenitis]]
*[[Duodenitis]]
*[[Dust|Dust mites]]
*[[Dydrogesterone]]
*[[Dydrogesterone]]
*[[Dyspepsia]]
*[[Dysbarism ]]
*[[Dysentery ]]
*[[Dysmenorrhea]]
*[[Dyspareunia]]
*[[Dyspepsia]]
*[[Dysthymia ]]
*[[Escherichia coli |E. coli infection ]]  
*[[Ebola]]
*[[Ebola]]
*[[Echinococcus granulosus ]]
*[[Ectopic pregnancy]]
*[[Ectopic pregnancy]]
* [[Efavirenz]]
*[[Edwardsiella tarda|Edwardsiella tarda infection]]
*[[Efavirenz]]
*[[Egg allergy|Egg hypersensitivity]]
*[[Emanuel syndrome ]]
*[[Embolism]]
*[[Emetine ]]
*[[Emotional stress ]]
*[[Empyema]]
*[[End stage liver failure]]
*[[Endometrial cancer]]
*[[Endometrial cancer]]
*[[Endometrioma]]
*[[Endometriosis]]
*[[Endometriosis]]
*[[Endothion]]
*[[Enoxaparin]]
*[[Enoxaparin]]
*[[Entacapone]]
*[[Entamoeba histolytica]]
*[[Entamoeba histolytica]]
*[[Enteritis]]
*[[Enteritis]]
*[[Enterocele]]
*[[T-cell lymphoma classification|Enteropathy type t-cell lymphoma ]]
*[[Eosinophilic gastroenteritis]]
*[[Epichlorohydrin]]
*[[Epiploic appendagitis]]
*[[Epiploic appendagitis]]
*[[Erythromycin]]
*[[Epstein-barr virus]]
*[[Ethcathinone]]
*[[Ergotamine]]
*[[Etonogestrel]]
*[[Erythromycin]]
*[[Erythromycin estolate]]
*[[Erythromycin Ethyl succinate |Erythromycin ethyl succinate]]
*[[Erythromycin Ethyl succinate|Erythromycin ethyl succinate ]]
*[[Erythrosine ]]
*[[Pesticide toxicity to bees|Esfenvalerate]]
*[[Esophageal carcinoma ]]
*[[Esophageal disease ]]
*[[Esophageal ulcer ]]
*[[Esophagitis ]]
*[[Cancer of the esophagus|Esophagus cancer ]]
*[[Cryoglobulinemia classification|Essential mixed cryoglobulinemia ]]
*[[Ethanolamines ]]  
*[[Ethcathinone]]
*[[Ether]]
*[[Ethiofencarb]]
*[[Ethion ]]
*[[Ethionamide]]
*[[Ethoate-methyl ]]
*[[Ethoprophos ]]
*[[Ethyl acetate ]]
*[[Ethyl alcohol ]]
*[[Ethyl ether ]]
*[[Ethyl salicylate ]]
*[[Ethyl-guthion]]
*[[Ethylene chlorohydrin ]]
*[[Ethylene Dibromide|Ethylene dibromide]]
*[[Ethylene dichloride]]
*[[Ethylene glycol]]
*[[Ethylene glycol dinitrate]]
*[[Ethylene oxide ]]
*[[Ethylenediamine]]  
*[[Etonogestrel]]  
*[[Etoposide phosphate]]
*[[Etoposide phosphate]]
*[[Familial Mediterranean fever]]
*[[Etrimfos]]
*[[Eucalyptus oil|Eucalyptus oil poisoning]]
*[[Eugenol|Eugenol oil poisoning ]]
*[[Euphorbiaceae ]]
*[[Ewing family of tumors]]
*[[Anaphylaxis |Exercise induced anaphylaxis]]
*[[Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue ]]
*[[Ezetimibe]]
*[[Fabry disease]]
*[[Fallopian tube cancer]]
*[[Hellebore|False hellebore poisoning]]
*[[Colorectal cancer|Familial colorectal cancer ]]
*[[Familial hyperchylomicronemia]]
*[[Familial hyperchylomicronemia|Familial hyperlipoproteinemia]]
*[[Familial hypertriglyceridaemia]]
*[[Metachromatic leukodystrophy|Familial infantile metachromatic leukodystrophy]]
*[[Familial intestinal polyposis]]
*[[Lactase deficiency|Familial lactase deficiency]]
*[[Familial mediterranean fever]]
*[[Familial multiple polyposis ]]
*[[Familial polyposis ]]
*[[Fascioliasis]]
*[[Fasciolopsiasis]]
*[[Fasciolopsiasis]]
{{col-break|width=33%}}
*[[Femoral hernia]]
 
*[[Fenchlorphos ]]
*[[Fasciolosis]]
*[[Fenethacarb]]
*[[Fenitrothion ]]
*[[Fenobucarb]]
*[[Fenoprofen]]
*[[Fensulfothion]]
*[[Fenthion ]]
*[[Fenvalerate ]]
*[[Fetterbush poisoning]]
*[[Filovirus]]
*[[Fitz-Hugh-Curtis syndrome]]
*[[Flavivirus ]]
*[[Florida leucothoe poisoning]]  
*[[Flucytosine]]
*[[Flucytosine]]
*[[Fluoride poisoning]]
*[[Fluoride poisoning]]
*[[Flurbiprofen]]
*[[Flurbiprofen]]
*[[Fluvastatin]]
*[[Fluvalinate]]
*[[Fluvastatin]]
*[[Hamartoma|Follicular hamartoma]]
*[[Fonophos]]
*[[Food additives ]]
*[[Food allergy]]
*[[Food allergy]]
*[[Food intolerance]]
*[[Food intolerance]]  
*[[Foreign body]]
*[[Foreign body]]
*[[Formothion]]
*[[Foxglove poisoning ]]
*[[Fructose-1-phosphate aldolase deficiency]]
*[[Functional bowel disorder]]
*[[Functional bowel disorder]]
*[[Fungemia]]
*[[Functional constipation]]
*[[Functional disorders]]
*[[Functional dyspepsia ]]
*[[Functioning pancreatic endocrine tumor ]]
*[[Fungemia]]
*[[Furathiocarb]]
*[[Furfural]]
*[[Fusarium]]
*[[Fusarium]]
*[[Gallbladder|Gall bladder rupture]]
*[[Gallbladder cancer]]
*[[Gallbladder cancer]]
*[[Gastric outlet obstruction]]
*[[Gallbladder empyema]]
*[[Gallstones]]
*[[Gardner syndrome ]]
*[[Gas]]
*[[Stomach cancer|Gastric cancer]]
*[[Gastric lymphoma ]]
*[[Gastric outlet obstruction]]
*[[Gastric ulcer]]
*[[Gastric volvulus]]
*[[Gastrinoma]]
*[[Gastritis]]
*[[Gastritis]]
*[[Gastroduodenal ulcers]]
*[[Gastroenteritis]]
*[[Gastroenteritis]]
*[[Gastroesophageal reflux]]
*[[amyloidosis|Gastrointestinal amyloidosis]]
*[[Gastrointestinal anthrax]]
*[[Zygomycosis overview|Gastrointestinal basidiobolomycosis]]
*[[Gastrointestinal perforation]]
*[[Gastrointestinal perforation]]
*[[Gastrointestinal stromal tumor]]
*[[Gastrointestinal stromal tumor]]
*[[Giardia lamblia]]
*[[Gastrointestinal cancer|Gastrointestinal tumors ]]
*[[Zygomycosis|Gastrointestinal zygomycosis]]
*[[Gastroparesis ]]
*[[Gemeprost]]
*[[Germanium ]]
*[[Giardia]]  
*[[Gilbert's syndrome]]
*[[Gilbert's syndrome]]
*[[Grape seed extract]]
*[[Visceroptosis|Glenard syndrome]]
*[[Halofantrine]]
*[[Glomerulonephritis]]
*[[Gloriosa (genus)|Glory lily poisoning]]
*[[Glucocorticoids]]
*[[Glucosamine ]]
*[[Glucose-6-phosphate dehydrogenase deficiency ]]
*[[Glucose-galactose malabsorption ]]
*[[Glutaraldehyde]]
*[[Glutathione synthetase deficiency]]
*[[Allergy|Gluten allergy ]]
*[[Gnathostoma hispidum|Gnathostoma hispidum infection ]]
*[[Gnathostoma spinigerum|Gnathostoma spinigerum infection]]
*[[Gold ]]
*[[Urethritis overview|Gonococcal urethritis]]
*[[Gonorrhea ]]
*[[Graeck-Imerslund disease ]]
*[[appendicitis |Granulomatous appendicitis ]]
*[[Ovarian cancer classification|Granulosa cell tumor of the ovary]]
*[[Grayanotoxin]]
*[[Griseofulvin ]]
*[[Guanarito virus ]]
*[[Guar gum]]
*[[Guthion (ethyl)]]
*[[Haematometra]]
*[[Haemochromatosis]]
*[[Hafnium ]]
*[[Human hair color |Hair bleach]]
*[[Human hair color |Hair dye]]
*[[Hairy cell leukemia]]
*[[Halides]]
*[[Halofantrine]]
*[[Halothane]]
*[[colorectal cancer|Hamartomatous colorectal cancer ]]
*[[Hantavirosis]]  
*[[Hantavirus pulmonary syndrome]]
*[[Hantavirus pulmonary syndrome]]
*[[Hebeloma crustuliniforme]]
*[[Hartnup disease]]
*[[Helicobacter pylori infection]]
*[[Heart attack ]]
*[[Heartburn ]]
*[[Heavy metal poisoning]]
*[[Hebeloma crustuliniforme]]  
*[[Helicobacter pylori infection]]
*[[Hellp syndrome]]
*[[Helminth infections ]]
*[[Helminthiasis ]]
*[[Hematocolpos]]
*[[Hematosalpinx]]
*[[Hemochromatosis]]
*[[Hemoglobin C homozygous (CC)]]
*[[Hemoglobin SC]]
*[[Hemolytic anemia]]
*[[Hemolytic uremic syndrome]]
*[[Hemophagocytic lymphohistiocytosis|Hemophagocytic lymphohistiocytosis, familial]]  
*[[Hemosuccus pancreaticus]]
*[[Hemosuccus pancreaticus]]
*[[Henipavirus]]
*[[Henipavirus]]
*[[HPV Vaccine]] ([[Gardasil]])
*[[Henoch schonlein purpura]]
*[[Hookworm]]
*[[Hepadnaviruses |Hepadnaviral infection ]]
*[[Hydronephrosis]]
*[[Hepatic amyloidosis with intrahepatic cholestasis]]
*[[Hepatic vein thrombosis]]
*[[Hepatic veno-occlusive disease]]
*[[Hepatic venoocclusive disease with immunodeficiency]]
*[[Hepatitis]]
*[[Hepatitis A]]
*[[Hepatitis B]]
*[[Hepatitis c]]
*[[Hepatitis D]]
*[[Hepatitis E]]
*[[Hepatocellular carcinoma]]
*[[Hepatoma]]
*[[Hepatotoxicity ]]
*[[Heptaosplenic T-cell Lymphoma|Heptaosplenic t-cell lymphoma ]]
*[[Heptenophos ]]
*[[Hereditary amyloidosis ]]
*[[Hereditary angioedema]]
*[[Colorectal cancer overview|Hereditary colorectal cancer]]
*[[megaduodenum|Hereditary megaduodenum]]
*[[Hereditary nonpolyposis colorectal cancer|Hereditary nonpolyposis colon cancer ]]
*[[Hereditary pancreatitis]]
*[[Hereditary polyposis coli]]
*[[Hereditary non-spherocytic hemolytic anemia]]
*[[Herpes zoster]]
*[[Hexane]]
*[[Hiatal hernia]]
*[[Familial Hibernian fever]]
*[[Hirschsprung's disease ]]
*[[AIDS ]]
*[[Grayanotoxin|Honey intoxication]]
*[[Hookworm]]
*[[Carolina horsenettle|Horse nettle poisoning ]]
*[[Horseradish|Horseradish poisoning]]
*[[HPV Vaccine]]  
*[[Hyacinth bean|Hyacinth poisoning]]  
*[[Hycanthone ]]
*[[Hydatidosis]]
*[[Hydrazine ]]
*[[Hydrogen bromides ]]
*[[Hydrogen cyanide ]]
*[[Hydrogen fluoride]]
*[[Hydronephrosis]]  
*[[Hydroxychloroquine]]
*[[Hydroxychloroquine]]
*[[Hymenolepiasis]]
*[[Hymenolepiasis]]  
*[[Hypercalcemia]]
*[[Hypercalcaemia]]
*[[Hypereosinophilic syndrome ]]
*[[Hyperimmunoglobulinemia D with recurrent fever|Hyperimmunoglobulinemia D and periodic fever syndrome]]
*[[Hyperkalemia]]
*[[Hyperkalemia]]
*[[Type III hyperlipoproteinemia|Hyperlipoproteinemia type III ]]
*[[Hyperparathyroidism ]]
*[[Hypersensitivity|Hypersensitivity to food ]]
*[[Hypertelorism ]]
*[[Hypertension|Hypertension in children]]
*[[Hypertension of pregnancy ]]
*[[Hyperthyroidism]]
*[[Hypoadrenalism ]]
*[[Hypocalcemia]]
*[[Hypocalcemia]]
*[[Hypopituitarism ]]
*[[Hypospadias ]]
*[[Hypothyroidism]]
*[[Hyquincarb]]
*[[Ibuprofen]]
*[[Icterogenin]]
*[[Idarubicin]]
*[[Idarubicin]]
*[[Intestinal pseudoobstruction|Idiopathic intestinal pseudoobstruction]]
*[[Idiopathic sclerosing mesenteritis ]]
*[[Idoxuridine]]
*[[IgA nephropathy]]
*[[Ileitis]]
*[[Ileitis]]
*[[Ileus]]
*[[Iliac artery aneurysm]]
*[[Imiprothrin ]]
*[[Immunoproliferative diseases]]
*[[Hematocolpos|Imperforate hymen with hematocolpos]]
*[[Implanon]]
*[[Implanon]]
*[[Lobelia|Indian tobacco poisoning ]]
*[[Indigestion ]]
*[[Indinavir]]
*[[Indinavir]]
*[[Infliximab]]
*[[Indomethacin]]
*[[Indospicine ]]
*[[Infectious diarrhea]]
*[[Infectious mononucleosis]]
*[[Inflammatory bowel disease]]
*[[Pelvic inflammatory disease overview|Inflammatory pelvic pain]] 
*[[Infliximab]]
*[[Indigestion]]
*[[Inguinal hernia]]
*[[Insect allergy ]]
*[[Insulin lispro]]
*[[Insulin lispro]]
*[[Intercostal nerve|Intercostal nerve syndrome]]
*[[Intestinal bleeding]]
*[[Intestinal capillariasis]]
*[[Stomach flu|Intestinal flu]]
*[[Intestinal ischaemia]]
*[[Lymphangiectasia|Intestinal lymphangiectasia ]]
*[[Intestinal malrotation]]
*[[Intestinal malrotation]]
*[[Intestinal obstruction ]]
*[[Intestinal pseudoobstruction]]
*[[Intestinal pseudoobstruction]]
*[[Intussusception (medical disorder)]]
*[[Intestinal volvulus]]
*[[Irinotecan hydrochloride]]
*[[Intrahepatic cholangiocarcinoma ]]
*[[Intrahepatic cholestasis of pregnancy]]
*[[Intussusception (medical disorder)]]
*[[Iodofenphos ]]
*[[Ionizing radiation ]]
*[[Irinotecan hydrochloride]]
*[[Iron ]]  
*[[Irritable bowel syndrome]]
*[[Irritable bowel syndrome]]
*[[Irukandji syndrome]]
*[[Irukandji syndrome]]
*[[Ischemic colitis]]
*[[Ischaemic heart disease]]
*[[Ischemic colitis]]  
*[[Isoniazid]]
*[[Isoniazid]]
*[[Isosporiasis]]
*[[Isoprocarb]]
*[[Isopropyl acetate ]]
*[[Isopropyl alcohol]]
*[[Isosporiasis]]  
*[[Itraconazole]]
*[[Itraconazole]]
*[[Ivacaftor]]
*[[Ivacaftor]]
*[[Janumet]] ([[sitagliptin]] and [[metformin]])
*[[Sitagliptin and metformin hydrochloride (patient information)|Sitagliptin and metformin]]
*[[Diverticulosis|Jejunal diverticulosis ]]
*[[Juvenile dermatomyositis ]]
*[[Juvenile polyposis syndrome|Juvenile polyposis syndrome, infantile form]]
*[[Kawasaki disease ]]
*[[Kentucky coffee tea poisoning ]]
*[[Ketoconazole ]]
*[[Kidney cancer]]
*[[Kidney stones ]]  
*[[King Cobra poisoning]]  
*[[König's syndrome]]
*[[König's syndrome]]
*[[Krukenberg tumor]]
*[[Krukenberg tumor]]
*[[Laband's Syndrome ]]
*[[Labor (childbirth)|Labor pain]]
*[[Lactase deficiency]]
*[[Lactic acidosis]]
*[[Lactic acidosis]]
*[[Lactose intolerance]]
*[[Cyhalothrin|Lambda-cyhalothrin]]
*[[Lanatoside C]]
*[[Lansoprazole]]
*[[Lansoprazole]]
*[[Lanthanides ]]
*[[Laparotomy]]
*[[Lapatinib ditosylate]]
*[[Large bowel obstruction]]
*[[Lassa fever]]
*[[Latex allergy]]
*[[Lead poisoning]]
*[[Lead poisoning]]
*[[Lecithin]]
*[[Nutcracker syndrome|Left renal vein entrapment]]
*[[Legionnaires' disease ]]
*[[Leiomyosarcoma ]]
*[[Hellebore|Lenten rose poisoning ]]
*[[Leptospirosis]]
*[[Leukemia]]
*[[Mast cell leukemia|Leukemia, mast-cell ]]
*[[Myeloid leukemia|Leukemia, myeloid ]]
*[[Adult T-cell leukemia/lymphoma|Leukemia, t-cell ]]
*[[Cutaneous small vessel vasculitis|Leukocytoclastic angiitis ]]
*[[Levonorgestrel]]
*[[Levonorgestrel]]
*[[Leptospirosis]]
*[[Lily of the Valley|Lily-of-the-valley poisoning]]
*[[Zebrafish|Lionfish poisoning]]
*[[Lipoprotein lipase deficiency]]
*[[Liposarcoma]]
*[[Liposarcoma]]
*[[Lisdexamfetamine]]
*[[Littoral cell angioma|Littoral cell angioma of the spleen]]
*[[Liver abscess]]
*[[Liver tumor]]
*[[Liver tumor]]
*[[Budd–Chiari syndrome]]
*[[Lobelia|Lobelia poisoning ]]
*[[Locust bean gum ]]
*[[Loperamide]]
*[[Loperamide]]
*[[Lopinavir]]
*[[Lopinavir]]
*[[Loprazolam]]
*[[Loprazolam]]
*[[Loratadine]]
*[[Loratadine]]
*[[Magnesium citrate]]
*[[esophageal ulcer|Lower esophageal ulcer]]
*[[Malabsorption]]
*[[Lupus]]
*[[Lyme disease]]
*[[Lymphogranuloma venereum]]
*[[Lymphoma]]
*[[Lynch syndrome]]
*[[Magnesium citrate]]
*[[Ginkgo biloba|Maidenhair tree poisoning ]]  
*[[Malabsorption]]
*[[Malakoplakia]]
*[[Malaria]]
*[[Malathion]]
*[[Malignant germ cell tumor ]]
*[[Mixed Mullerian tumor overview|Malignant mixed mullerian tumor]]
*[[Peptic ulcer|Malignant peptic ulcer]]
*[[Mallory-Weiss syndrome]]
*[[Intestinal malrotation|Malrotation ]]
*[[Manganese]]
*[[Marburg virus]]
*[[Marfan syndrome]]
*[[Marfan syndrome]]
*[[Marine toxins]]
*[[Marine toxins]]
*[[Mastocytosis]]
*[[Mastocytosis]]
*[[Mebendazole]]
*[[Mayapple poisoning ]]
*[[Meckel's diverticulum]]
*[[Mebendazole]]
*[[Mecarbam]]
*[[Meckel diverticulitis]]
*[[Mediastinitis]]
*[[Medroxyprogesterone]]
*[[Medroxyprogesterone]]
*[[Megaduodenum ]]
*[[Megaloblastic anemia ]]
*[[Melarsoprol]]
*[[MELAS]]
*[[Melioidosis ]]
*[[Menarche ]]
*[[Ménétrier's disease ]]
*[[Meningitis]]
*[[Menstruation]]
*[[Menstruation]]
*[[Mepacrine ]]
*[[Mephenytoin]]
*[[Mercaptans ]]
*[[Mercaptopurine]]
*[[Mercaptopurine]]
*[[Mercury]]
*[[Mesenteric adenitis]]
*[[Mesenteric infarction]]
*[[Mesenteric ischemia]]
*[[Mesenteric ischemia]]
*[[Mesothelioma]]
*[[Acute mesenteric ischemia classification|Mesenteric venous thrombosis]]
*[[Mesothelioma ]]  
*[[Metabolic acidosis]]
*[[Metabolic acidosis]]
*[[Metabolic disease]]
*[[Metagonimiasis]]
*[[Metagonimiasis]]
*[[Polishing (metalworking)|Metal polish]]
*[[Metaldehyde]]
*[[Methacrifos]]
*[[Methacrylate]]
*[[Methamidophos ]]
*[[Methamphetamine overdose]]
*[[Methidathion ]]
*[[Methimazole]]
*[[Methimazole]]
*[[Methiocarb]]
*[[Methomyl]]
*[[Methotrexate]]
*[[Methotrexate]]
*[[Methoxyflurane]]
*[[Methyl acetate ]]
*[[Methyl bromide]]
*[[Methyl chloride ]]
*[[Methyl isocyanate]]
*[[Methyl tert-butyl ether]]
*[[Methylene chloride]]
*[[Methylene chloride ]]
*[[Methylene Dianiline|Methylene dianiline ]]
*[[Methylphenidate]]
*[[Methylphenidate]]
*[[Mifepristone]]
*[[Methysergide]]
*[[Misoprostol]]
*[[Metiltriazotion]]
*[[Metofluthrin]]
*[[Metolcarb]]
*[[Metronidazole ]]
*[[Mevinphos ]]
*[[Mexacarbate]]
*[[Microscopic colitis]]
*[[Collagenous colitis|Microscopic collagenous colitis]]
*[[Lymphocytic colitis|Microscopic lymphocytic colitis ]]
*[[Microscopic polyangiitis ]]
*[[ulcerative colitis|Microscopic ulcerative colitis]]
*[[Mifamurtide]]
*[[Mifepristone]]
*[[Migraine]]
*[[Milk|Milk poisoning ]]
*[[Milk-alkali syndrome]]
*[[Asclepias|Milkweed poisoning]]
*[[Mineral oil]]
*[[Miscarriage]]  
*[[Misoprostol]]
*[[Mistletoe|Mistletoe poisoning]]
*[[Myoneurogastrointestinal encephalopathy syndrome|Mitochondrial neurogastrointestinal encephalopathy syndrome]]
*[[Mittelschmerz]]
*[[Mixed connective tissue disease]]
*[[Molybdenum ]]
*[[Monoamine oxidase inhibitors]]
*[[Monocrotophos]]
*[[Monomethylhydrazine]]
*[[Mononucleosis]]
*[[Morphine withdrawal ]]
*[[Morpholine]]
*[[Bees and toxic chemicals|Mountain andromeda poisoning]]
*[[Mountain fever]]
*[[Kalmia latifolia|Mountain laurel poisoning]]
*[[Rocky Mountain tick fever|Mountain tick fever]]
*[[Mouthwash]]
*[[Moxifloxacin]]
*[[Moxifloxacin]]
*[[Monosodium glutamate]]
*[[Microsatellite instability|Mss colorectal cancer]]
*[[Muckle-Wells syndrome]]
*[[Mucormycosis]]
*[[Castleman's disease|Multi-centric castleman's disease]]
*[[Multifocal fibrosclerosis]]
*[[Multiple endocrine neoplasia ]]
*[[Mumps]]
*[[Mungan syndrome]]
*[[Muscarine]]
*[[Muscarine]]
*[[Mushroom poisoning]]
*[[Trauma|Muscle trauma]]
*[[Musculoskeletal pain]]
*[[Mushroom poisoning]]  
*[[Mycobacterium avium complex]]
*[[Mycobacterium avium complex]]
*[[Mycobacterium bovis ]]
*[[Mycobacterium kansasii ]]
*[[Myelofibrosis ]]
*[[Myelofibrosis-osteosclerosis ]]
*[[Myocardial infarction]]
*[[Myoneurogastrointestinal encephalopathy syndrome]]
*[[Dimethylformamide|N,N-dimethylformamide]]
*[[N-butyl acetate ]]
*[[Tert-Butyl chloride |N-butyl chloride ]]
*[[Heptane|N-heptane ]]
*[[Dimethylacetamide|N-N-dimethylacetamide ]]
*[[N-Nitrosodiethylamine]]
*[[N-propyl acetate ]]
*[[Nafcillin]]
*[[Nafcillin]]
*[[Naphthalene]]
*[[Naphthol ]]
*[[Naproxen]]
*[[Naproxen sodium]]
*[[Naproxen sodium]]
*[[Natalizumab]]
*[[Natalizumab]]
*[[Natural childbirth]]
*[[Natural childbirth]]
*[[Neuromuscular-blocking drugs]]
*[[Necrotizing enterocolitis ]]
*[[Niclosamide]]
*[[Nephroblastoma]]
*[[Nephrolithiasis]]
*[[Primitive neuroectodermal tumor]]
*[[Neurofibromatosis|Neurofibromatosis, familial intestinal ]]
*[[Neuromuscular-blocking drugs]]
*[[Ngaione]]
*[[Niacin|Niacin toxicity]]
*[[Nickel ]]
*[[Nickel carbonyl]]
*[[Niclosamide]]
*[[Niobium ]]
*[[Nitazoxanide]]
*[[Nitazoxanide]]
*[[Norgestrel and Ethinyl estradiol]]
*[[Nitric acid]]
*[[Norovirus]]
*[[Nitrilacarb]]
*[[Nitriles ]]
*[[Nitrites]]
*[[Nitrobenzene ]]
*[[Nitroethane]]
*[[Nitrofuran]]
*[[Nitroglycerin]]
*[[Nitromethane ]]
*[[Nitroparaffins ]]
*[[Nitrophenol]]
*[[Nitrous oxide]]
*[[Pancreatic islet cell carcinoma|Non functioning pancreatic endocrine tumor]]
*[[Non-Hodgkin's Lymphoma]]
*[[Causes of pelvic pain|Non-inflammatory pelvic pain]]
*[[Hereditary nonpolyposis colorectal cancer|Nonpolyposis colorectal cancer, familial ]]
*[[Nonulcer dyspepsia ]]
*[[Norfloxacin]]
*[[Norgestrel and Ethinyl estradiol|Norgestrel and ethinyl estradiol]]
*[[Periodic paralysis|Normokalemic periodic paralysis ]]
*[[Norovirus]]
*[[Norwalk gastroenteritis ]]
*[[Norwalk-like viruses ]]
*[[Novobiocin]]
*[[Nutcracker syndrome]]
*[[Nutcracker syndrome]]
*[[Octreotide injection]]
*[[Nutmeg ]]
*[[Ogilvie syndrome]]
*Nyssen-van bogaert syndrome
*[[Oak|Oak poisoning ]]
*[[Obstruction]]
*[[Obstructive nephropathy ]]
*[[Obturator hernia]]
*[[Ochratoxin ]]
*[[Octreotide injection]]
*[[Oesophagitis]]
*[[Oesophagostomiasis]]
*[[Ogilvie's syndrome]]
*[[OHSS]]
*[[Oil-based paint]]  
*[[Oleander]]
*[[Oleander]]
*[[Omeprazole]]
*[[Oleander poisoning ]]
*[[Opisthorchis infection]]
*[[Oligohydramnios ]]
*[[Omeprazole]]  
*[[Omethoate]]
*[[Renal oncocytoma]]
*[[Ondansetron]]
*[[Opioid withdrawal]]
*[[Opisthorchiasis ]]
*[[Autosomal dominant opitz G/BBB syndrome|Opitz g/bbb syndrome]]
*[[Oral contraceptives]]
*[[Oral hypoglycemics]]
*[[Orellanine]]
*[[Organophosphate insecticide poisoning]]
*[[Orlistat]]
*[[Orlistat]]
*[[Ovarian cancer]]
*[[Osteitis pubis]]
*[[Fern|Ostrich fern poisoning]]
*[[Ovarian cancer]]  
*[[Ovarian cyst]]
*[[Ovarian cyst]]
*[[Ovarian hyperstimulation syndrome]]
*[[Ovarian epithelial cancer ]]
*[[Ovarian torsion]]
*[[Ovarian cancer classification|Ovarian germ cell malignant tumor ]]
*[[Ovarian hyperstimulation syndrome]]  
*[[Ovarian torsion]]
*[[Hereditary stomatocytosis|Overhydrated hereditary stomatocytosis ]]
*[[Oxalosis ]]
*[[Oxamyl]]
*[[Oxycontin addiction ]]
*[[Oxydeprofos ]]
*[[Oxydisulfoton ]]
*[[Oyster plant|Oyster plant poisoning ]]
*[[p-aminosalicylic acid]]
*[[P-Phenylenediamine]]
*[[Palifermin]]
*[[Pallister–Killian syndrome|Pallister killian mosaic syndrome]] 
*[[Pancolitis ]]
*[[Pancreatic abscess ]]
*[[Pancreatic cancer]]
*[[Pancreatic cancer]]
*[[Pancreatitis]]
*[[Pancreatic insufficiency]]
*[[Pantoprazole]]
*[[Pancreatic cancer|Pancreatic islet cell tumors (non-functioning tumor)]]
*[[Pancreatic pseudocyst]]
*[[Pancreatitis]]
*[[Pancreatoblastoma ]]
*[[Panhypopituitarism ]]  
*[[Pantoprazole]]  
*[[Pantothenic acid]]
*[[Pantothenic acid]]
*[[Paragonimus infection]]
*[[Papillary necrosis]]
*[[Paragonimiasis]]
*[[Paragonimus infection]]
*[[Paralytic ileus]]
*[[Appendicitis classification|Parasitic appendicitis ]]
*[[Parathion]]
*[[Parathion]]
 
*[[Parathion-methyl |parathion methyl]]
{{col-break|width=33%}}
*[[Paratyphoid fever]]
*[[Paroxysmal cold hemoglobinuria]]
*[[Paroxysmal nocturnal haemoglobinuria]]
*[[Pazopanib]]
*[[List of poisonous plants|Peach seed poisoning]]
*[[Pegaspargase]]
*[[Pegaspargase]]
*[[Pelvic tumor|Pelvic cancer]]
*[[Pelvic inflammatory disease]]
*[[Pelvic inflammatory disease]]
*[[Penicillin allergy]]
*[[Penis cancer ]]
*[[Pennyroyal|Pennyroyal oil ]]
*[[Pentachlorophenol]]
*[[Pentavalent antimonial]]
*[[Pentavalent antimonial]]
*[[Pentostatin]]
*[[Pentostatin]]
*[[Peppermint oil ]]
*[[Peptic ulcer]]
*[[Peptic ulcer]]
*[[Perihepatitis]]
*[[Perindopril]]
*[[Perindopril]]
*[[Periodic fever syndrome]]
*[[Periodic fever syndrome]]
*[[Periodic hyperlysinemia ]]
*[[Peritoneal adhesions]]
*[[Leiomyoma overview|Peritoneal leiomyomatosis, disseminated]]
*[[Peritonitis]]
*[[Peritonitis]]
*[[Pesticide]]
*[[Pernettya poisoning ]]
*[[Phenazocine]]
*[[Pernicious anemia ]]
*[[Exacum affine|Persian violet poisoning]]
*[[Pesticide poisoning ]]
*[[Weber–Christian disease|Pfeiffer-weber-christian syndrome]]
*[[Phenazocine]]
*[[Phenkapton ]]
*[[Phenobarbital]]
*[[Phenol]]
*[[Phenothiazines]]
*[[Phenylbutazone]]
*[[Phenytoin]]
*[[Pheochromocytoma ]]
*[[Phorate ]]
*[[Phosalone]]
*[[Phosdrin]]
*[[Phosmet ]]
*[[Phosphamidon ]]
*[[Phosphine]]
*[[Phosphine ]]
*[[Phosphorus ]]
*[[Phoxim]]
*[[Phthalic anhydride ]]
*[[Phytolacca americana]]
*[[Picric acid ]]
*[[Pine oil]]  
*[[Pink lady (medicine)]]
*[[Pink lady (medicine)]]
*[[Pirfenidone]]
*[[Spigelia marilandica|Pinkroot poisoning]]
*[[Pinworm ]]
*[[Pirfenidone]]
*[[Pirimicarb]]
*[[Pirimiphos-methyl]]
*[[Piroxicam]]
*[[Piroxicam]]
*[[Placental abruption]]
*[[Placental abruption]]
*[[Plague ]]
*[[Plasmodium falciparum]]
*[[Plexosarcoma ]]
*[[Pneumatosis intestinalis|Pneumatosis cystoides intestinalis]]
*[[Pneumonia]]
*[[Aspiration pneumonia]]
*[[Poison hemlock]]
*[[Poisoning ]]
*[[Pollen allergy ]]
*[[Polyarteritis nodosa]]
*[[Polyarteritis nodosa]]
*[[Polybrominated biphenyls ]]
*[[Polychlorinated biphenyls ]]
*[[Polychlorinated dibenzodioxins]]
*[[Polycystic kidney disease]]
*[[Polycystic kidney disease]]
*[[Polycystic liver disease ]]
*[[Polyembryoma ]]
*[[Polyneuropathy ]]
*[[Porcelain gallbladder]]
*[[Porcelain gallbladder]]
*[[Porphobilinogen synthase|Porphobilinogen synthase deficiency]]
*[[Porphyria]]
*[[Porphyria]]
*[[Hereditary coproporphyria|Porphyria, hereditary coproporphyria]]
*[[Portal hypertension]]
*[[Portal vein thrombosis ]]
*[[Post streptococcal glomerulonephritis]]
*[[Adhesions|Post-surgical adhesions]]
*[[Postcholecystectomy syndrome]]
*[[Postcholecystectomy syndrome]]
*[[Wound dehiscence|Postoperative abdominal wound dehiscence ]]
*[[Postoperative haemorrhage ]]
*[[Septicemia|Postoperative septicemia ]]
*[[Potassium citrate]]
*[[Potassium citrate]]
*[[Praziquantel]]
*[[Potassium permanganate]]
*[[Pramlintide]]
*[[Praziquantel]]  
*[[Prazosin and polythiazide]]
*[[Prazosin and polythiazide]]
*[[Prednisolone]]
*[[Pregnancy]]
*[[Pregnancy]]
*[[Premature birth]]
*[[Premature birth]]
*[[Procainamide]]
*[[Premenstrual syndrome]]
*[[Primaquine]]
*[[hyperoxaluria|Primary hyperoxaluria]]
*[[lymphoma|Primary malignant lymphoma ]]
*[[Primary sclerosing cholangitis]]
*[[Primiphos methyl]]
*[[Primitive neuroectodermal tumor]]
*[[Privet|Privet poisoning]]  
*[[Procainamide]]  
*[[Procarbazine]]
*[[Procarbazine]]
*[[Proctitis]]
*[[Proctitis]]
*[[Profenofos]]
*[[Progesterone]]
*[[Progesterone]]
*[[Proguanil]]
*[[Promacyl]]
*[[Promecarb]]
*[[Propoxur]]
*[[Propylene dichloride ]]
*[[Propylthiouracil]]
*[[Propylthiouracil]]
*[[Prostate cancer]]
*[[Prostate cancer]]
*[[Prostatitis]]
*[[Prostatitis]]
*[[Pseudomembranous colitis]]
*[[Prothidathion ]]
*[[Pseudomyxoma peritonei]]
*[[Prothoate]]
*[[Pyelonephritis]]
*[[Protozoal Intestinal Infections]]
*[[Colorectal cancer|Proximal colorectal cancer ]]
*[[Pseudohypoparathyroidism]]
*[[Pseudomembranous colitis]]
*[[Burkholderia pseudomallei|Pseudomonas pseudomallei]]  
*[[Pseudomyxoma peritonei]]
*[[Intestinal pseudoobstruction|Pseudoobstruction idiopathic intestinal ]]
*[[Psoas abscess]]
*[[Psychiatric disorders ]]
*[[Psychoactive drug |Psychotropic agents]]
*[[Psyllium ]]
*[[Foodborne illness|Ptomaine food poisoning ]]
*[[Puerperal fever]]
*[[Pulmonary embolism]]
*[[Pulmonary infarction]]
*[[Pyelonephritis]]
*[[Pygeum africanum]]
*[[Pylephlebitis ]]
*[[Pyrethroid]]
*[[Pyridine]]
*[[Pyridine]]
*[[Pyrimethamine]]
*[[Pyrimitate ]]
*[[Pyrogallol ]]
*[[Pyrrolidizine]]
*[[Pyrrolizidine|Pyrrolizidine alkaloids poisoning]]
*[[Pyruvate carboxylase deficiency]]
*[[Pyruvate carboxylase deficiency]]
*[[Q Fever]]
*[[Q fever]]
*[[Rheumatic fever]]
*[[Quinalphos]]
*[[Rocky Mountain spotted fever]]
*[[Quinidine]]
*[[Roxithromycin]]
*[[Quinoline Yellow SS|Quinoline yellow]]
*[[Ruptured spleen]]
*[[Quinolone]]
*[[Sacrococcygeal teratoma]]
*[[Quintiofos]]
*[[Salmonellosis]]
*[[Ranitidine]]
*[[Salpingitis]]
*[[Rectal cancer ]]
*[[Rectosigmoid neoplasm ]]
*[[Recurrent hereditary polyserositis]]
*[[Red buckeye poisoning ]]
*[[Kidney bean|Red kidney bean poisoning]]
*[[Referred pain]]
*[[Reflux]]
*[[Reflux esophagitis]]
*[[Reflux nephropathy ]]
*[[Renal cancer ]]
*[[Renal colic]]
*[[Renal infarction]]
*[[Nutcracker syndrome|Renal nutcracker syndrome ]]
*[[Renal oncocytoma]]
*[[Renal segmental hypoplasia-induced Hypertension|Renal segmental hypoplasia-induced hypertension]]
*[[Renal tuberculosis]]
*[[Renal vein thrombosis]]
*[[zygomycosis|Renal zygomycosis]]
*[[Raynaud's phenomenon|Rest syndrome]]
*[[Idiopathic sclerosing mesenteritis|Retractile mesenteritis]]
*[[Abscess|Retroperitoneal abscess ]]
*[[Retroperitoneal fibrosis]]
*[[Retroperitoneal haemorrhage]]
*[[Retroperitoneal liposarcoma ]]
*[[Rhabditida Infections|Rhabditida infections]]
*[[Rheumatic fever]]
*[[Grayanotoxin |Rhodotoxin]]
*Rib tumor
*[[Rifampicin]]
*[[Methylphenidate|Ritalin withdrawal]]
*[[Rivastigmine]]  
*[[Rocky mountain spotted fever]]
*[[Rofecoxib]]
*[[Jequirity |Rosary pea (abrus precatorious)]]
*[[Rotenone]]
*[[Gastric bypass surgery|Roux-en-y syndrome]]
*[[Roxithromycin]]
*[[Rubratoxin ]]
*[[Rumination disorder ]]  
*[[Ruptured spleen]]
*[[Sabia virus]]  
*[[Sacrococcygeal teratoma]]
*[[Saffron ]]
*[[Safrole ]]
*[[Salicylate]]
*[[Salmonella enteritidis]]
*[[Salmonellosis]]  
*[[Salpingitis]]
*[[Sandifer syndrome ]]
*[[Saponin]]
*[[Saquinavir mesylate]]
*[[Saquinavir mesylate]]
*[[Sarcoidosis]]
*[[Sarcoma ]]
*[[Sardine|Sardine poisoning (clupeotoxin)]]
*[[Sargramostim]]
*[[Scarlet fever]]
*[[Scarlet fever]]
*[[Schatzki ring ]]
*[[Schistosomiasis]]
*[[Schistosomiasis]]
*[[Scleroderma ]]
*[[Idiopathic sclerosing mesenteritis|Sclerosing mesenteritis]]
*[[Scombrotoxic fish poisoning]]
*[[Scombrotoxic fish poisoning]]
*[[Sea snake poisoning ]]
*[[Secernentea|Secernentea infections ]]
*[[Secondary biliary cirrhosis ]]
*[[Bone tumor|Secondary bone cancer ]]
*[[Secondary hyperparathyroidism ]]
*[[Secretin human]]
*[[Secretin human]]
*[[Shigellosis]]
*[[Familial Selective Vitamin B12 Malabsorption|Selective vitamin b12 malabsorption]]
*[[Selenium ]]
*[[Selenium dioxide]]
*[[Senecio|Senecio poisoning ]]
*[[Senna]]
*[[Pregnancy termination complications|Septic abortion]]
*[[Septicemia]]
*[[Abuse|Sexual abuse]]
*[[Shigellosis]]  
*[[Short bowel syndrome]]
*[[Short bowel syndrome]]
*[[Side stitch]]
*[[Sickle cell disease]]
*[[Senna obtusifolia|Sicklepod poisoning ]]
*[[Side stitch]]
*[[Silafluofen]]
*[[Siltuximab]]
*[[Silver]]
*[[renal cyst|Simple renal cyst]]  
*[[Simvastatin]]
*[[Simvastatin]]
*[[Sincalide]]
*[[Situs inversus]]
*[[Situs inversus]]
*[[Sleep apnea|Sleep apnea syndromes]]
*[[Alepocephalidae|Slickhead poisoning (clupeotoxin) ]]
*[[Small bowel bacterial overgrowth syndrome]]
*[[Small bowel lymphoma]]
*[[Small intestine cancer]]
*[[Small intestine cancer]]
*[[Smelting ]]
*[[Smith–Lemli–Opitz syndrome]]
*[[Smoking cessation ]]
*[[Snakebites]]
*[[Snakebites]]
*[[Symphoricarpos|Snowberry poisoning ]]
*[[Galanthus|Snowdrop poisoning ]]
*[[Soapberry|Soapberry poisoning]]
*[[Soapwort|Soapwort poisoning ]]
*[[Sodium azide]]
*[[Sodium hypochlorite]]
*[[Soft tissue sarcoma]]
*[[Soft tissue sarcoma]]
*[[Solanine ]]
*[[Solder]]
*[[Somatoform disorders ]]
*[[Sophamide]]
*[[Sorafenib]]
*[[Sorafenib]]
*[[Sorbitol]]
*[[Sorbitol]]
*[[Spider bite]]
*[[Hereditary spastic paraplegia|Spastic paraplegia 9, autosomal dominant]]
*[[Splenic infarction]]
*[[Spectinomycin ]]
*[[Biliary dyskinesia|Sphincter of oddi dysfunction]]
*[[Food allergy|Spice allergy ]]
*[[Spider bite]]
*[[Spinal cord injury, acute]]
*[[Spirochetes disease ]]
*[[Spirurida|Spirurida infections ]]
*[[Splenic disease|Spleen neoplasm ]]  
*[[Splenic infarction]]
*[[Splenic rupture]]  
*[[Splenomegaly]]
*[[Splenomegaly]]
*[[Splenosis]]
*[[Spontaneous bacterial peritonitis]]
*[[Spontaneous bacterial peritonitis]]
*[[Spotted fevers ]]
*[[Cicuta|Spotted water hemlock poisoning ]]
*[[Euphorbia|Spurge poisoning ]]
*Staggerbush poisoning
*[[Intestinal malrotation|Stalker-chitayat syndrome]]
*[[Staphylococcal food poisoning ]]
*[[Statins]]
*[[Statins]]
*[[Sterigmatocystin ]]
*[[Steroids]]
*[[Stibine ]]
*[[Stoddard solvent]]
*[[Stomach cancer]]
*[[Stomach cancer]]
*[[Stomal ulcer]]
*[[Strep throat ]]
*[[Streptococcal toxic shock syndrome ]]
*[[Cantharidin|Striped blister beetle poisoning ]]
*[[Strongyloidiasis]]
*[[Strongyloidiasis]]
*[[Subacute myelo-optic neuropathy|Subacute myelo-optico neuropathy syndrome ]]
*[[Subdiaphragmatic abscess]]
*[[Subphrenic abscess ]]
*[[Sucralfate]]
*[[Sucralfate]]
*[[Sucrase-isomaltase deficiency ]]
*[[Sucrose intolerance|Sucrase-isomaltose malabsorption, congenital ]]
*[[Sulfasalazine]]
*[[Sulfasalazine]]
*[[Sulfite ]]
*[[Sulfonamide]]
*[[Sulfone]]
*[[Sulfotep]]
*[[Sulfur trioxide]]
*[[Hypholoma fasciculare|Sulfur tuft poisoning]]
*[[Sulindac]]
*[[Sulphite]]
*[[Sump syndrome ]]
*[[Sunitinib]]
*[[Sunitinib]]
*[[Systemic lupus erythematosus]]
*[[Sunset yellow]]
*[[Superior mesenteric artery|Superior mesenteric artery occlusion]]
*[[Superior mesenteric artery syndrome ]]
*[[Systemic lupus erythematosus]]
*[[T-cell lymphoma]]
*[[Tabes dorsalis]]
*[[Taeniasis ]]
*[[Tamoxifen ]]
*[[Tannic acid ]]
*[[Tansy|Tansy poisoning]]
*[[Tapeworms ]]
*[[Tapioca|Tapioca poisoning]]
*[[Tarpon|Tarpon poisoning (clupeotoxin) ]]
*[[Tartrazine]]
*[[Tazimcarb]]
*[[Teduglutide]]
*[[Tefluthrin]]
*[[Tegafur]]
*[[Tegaserod]]
*[[Tegaserod]]
* [[Tenofovir]] disoproxil fumarate
*[[Telithromycin ]]
*[[Tellurium ]]
*[[Teniasis]]
*[[Tenofovir Disoproxil Fumarate|Tenofovir disoproxil fumarate]]
*[[Terbufos ]]
*[[Testicular torsion]]
*[[Tetrachloroethane ]]
*[[Tetrachloroethylene ]]
*[[Tetracycline ]]
*[[Tetraethyl Pyrophosphate]]
*[[Tetramethrin]]
*[[Tetramethylthiuram disulfide ]]
*[[Tetrodotoxin]]
*[[Tetrodotoxin]]
*[[Tetryl]]
*[[Dermatophyllum|Texas mescalbean poisoning ]]
*[[Thallium poisoning]]
*[[Thallium(I) sulfate|Thallium sulfate pesticides ]]
*[[Lactic acidosis classification|Congenital lactic acidoses ]]
*[[Primary hyperoxaluria]]
*[[Thiabendazole ]]
*[[Thimbleweed|Thimbleweed poisoning]]
*[[Thiocarboxime]]
*[[Thiodicarb]]
*[[Thiofanox]]
*[[Thiometon]]
*[[Thiotepa]]
*[[Thiotepa]]
*[[Thioxanthene ]]
*[[Thorium dioxide ]]
*[[Thornapple|Thornapple poisoning]]
*[[Thorotrast]]
*[[Thromboembolism]]
*[[Thrombosis]]
*[[Thrombotic thrombocytopenic purpura]]
*[[Tianeptine]]
*[[Tianeptine]]
*[[Tigecycline]]
*[[Tigecycline]]
*[[Tin]]
*[[Titanium]]
*[[Tolclofos methyl ]]
*[[Toluene]]
*[[Toluene diisocyanate]]
*[[Intoxicative inhalant|Toluene sniffing syndrome]]
*[[Tomato|Tomato leaf poisoning]]  
*[[Topiramate]]
*[[Topiramate]]
*[[Topotecan]]
*[[Topotecan]]
*[[Leiomyoma|Torsion of leiomyomas]]
*[[Toxic epidermal necrolysis ]]
*[[Toxic megacolon]]
*[[Toxic megacolon]]
*[[Toxocariasis]]
*[[Toxocariasis]]
*[[Tralomethrin]]
*[[Trametinib]]  
*[[Trametinib dimethyl sulfoxide]]
*[[Trametinib dimethyl sulfoxide]]
*[[Transfusion-associated graft versus host disease]]
*[[Transfluthrin ]]
*[[TNF receptor associated periodic syndrome]]  
*[[Trastuzumab]]
*[[Trastuzumab]]
*[[Traveler's diarrhea ]]
*[[Tretinoin]]
*[[Tretinoin]]
*[[Tributyl phosphate]]
*[[Triazophos ]]
*[[Triazotion]]
*[[Tributyl phosphate]]
*[[Trichinosis ]]
*[[Trichlorfon]]
*[[Trichloroethane]]
*[[Trichloroethylene ]]  
*[[Trichomoniasis]]
*[[Trichomoniasis]]
*[[Triclofos]]
*[[Triclofos]]
*[[Tricuspid valve disease]]
*[[Tricyclic antidepressant]]
*[[Trifenfos ]]
*[[Trifoliate orange|Trifoliate orange poisoning]]
*[[Trimethacarb]]
*[[Trinitrotoluene ]]
*[[Rotenone|Tubatoxin poisoning ]]
*[[Tubo-ovarian abscess]]
*[[Tularemia ]]
*[[Tulip poisoning]]
*[[Turcot syndrome ]]
*[[Turpentine|Turpentine oil]]
*[[Type 1 diabetes]]
*[[Type 2 diabetes ]]
*[[Typhlitis]]
*[[Typhoid fever]]
*[[Typhoid fever]]
*[[Ulcerative colitis]]
*[[Ulcerative colitis]]
*[[Ulcerative colitis|Ulcerative proctosigmoiditis ]]
*[[Urachal cancer]]
*[[Urachal cyst]]
*[[Uranium ]]
*[[Uremia]]
*[[Ureteral cancer]]
*[[Ureterocele]]
*[[Ureterocele]]
*[[Ureteropelvic junction obstruction]]
*[[Urethral cancer ]]
*[[Urologic disease|Urinary disorders]] 
*[[Bladder outlet obstruction|Urinary outflow obstruction]]
*[[Urinary stones ]]
*[[Urinary system cancer ]]
*[[Urinary tract infection]]
*[[Urinary tract infection]]
*[[Uterine fibroids]]
*[[Urinary tract neoplasm ]]
*[[Uterine rupture]]
*[[Urine retention]]
*[[Uropathy distal obstructive polydactyly ]]
*[[Pyelonephritis overview|Urosepsis ]]
*[[Uterine fibroids]]  
*[[Uterine rupture]]  
*[[Uterine sarcoma]]
*[[Uterine sarcoma]]
*[[Valerian ]]
*[[Valproic acid]]
*[[Vamidothion ]]
*[[Vanadium ]]
*[[Vancomycin resistant enterococcal bacteremia ]]
*[[Vardenafil]]
*[[Vardenafil]]
*[[Varicella-zoster virus]]
*[[Variegate porphyria]]
*[[Vasculitis]]
*[[Vasculitis hypersensitivity]]
*[[Velocardiofacial syndrome ]]
*[[Vibrio parahaemolyticus]]
*[[Vibrio vulnificus]]
*[[Vibrio vulnificus]]
*[[Vidarabine]]
*[[Vigabatrin]]
*[[Vigabatrin]]
*[[Vinblastine]]
*[[Vinblastine]]
*[[Viral hepatitis ]]
*[[Vinyl chloride]]
*[[Vipoma]]
*[[Viral gastroenteritis ]]
*[[Viral haemorrhagic fever]]
*[[Viral hepatitis]]
*[[Viral meningitis]]
*[[Vitamin A]]
*[[Vitamin A]]
*[[Vitamin C|Vitamin C overdose ]]
*[[VLCAD deficiency]]
*[[Volvulus]]
*[[Volvulus]]
*[[Voriconazole]]
*[[Voriconazole]]
*[[Whipple's disease]]
*[[Waardenburg syndrome|Waardenburg syndrome, type 4 ]]
*[[WAGR syndrome]]
*[[Waldmann disease]] 
*[[Wandering spleen]]
*[[Water hemlock poisoning]]
*[[Waterhouse-Friderichsen Syndrome]]
*[[WDHA syndrome]]
*[[Weil's disease]]
*[[Food intolerance|Wheat intolerance ]]
*[[Whipple's disease]]  
*[[Whipworm infection]]
*[[Whipworm infection]]
*[[White phosphorus]]
*[[Wiedemann opitz syndrome ]]
*[[William's syndrome]]
*[[Wilms tumor ]]
*Winkelman bethfe pfeiffer syndrome
*Wolffian tumor
*[[Worster-Drought syndrome]]
*[[X-linked agammaglobulinaemia ]]
*[[X-linked intellectual disability|X-linked intellectual disability, Cantagrel type]]
*[[X-linked alpha thalassemia mental retardation syndrome]]
*[[Xanthan gum]]
*[[Urolithiasis]]
*[[Xanthine oxydase deficiency]]
*[[Xanthinuria ]]
*[[Xanthogranulomatous cholecystitis]]
*[[Pyelonephritis|Xanthogranulomatous pyelonephritis]]
*[[Xylene]]
*[[Xylylcarb]]
*[[Yellow fever]]
*[[Yellow fever]]
*[[Yersinia enterocolitica]]
*[[Yersiniosis]]
*[[Yersiniosis]]
*[[Zieve's syndrome]]
*[[Endodermal sinus tumor|Yolk sac tumour]]
*[[Zollinger-Ellison syndrome]]
*[[Zadik Barak Levin syndrome]]
{{col-end}}
*[[Zafirlukast]]
*[[Cypermethrin |zeta-cypermethrin]]
*[[Zieve's syndrome]]
*[[Zimmerman-Laband syndrome]]
*[[Zinc]]
*[[Zinc phosphide]]
*[[Zollinger-Ellison Syndrome]]
*[[Zotepine]]
*[[Zoxazolamine]]  
}}


===Acute Abdomen===
===Acute Abdomen===
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[[Category:Surgery]]
[[Category:Surgery]]
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Latest revision as of 20:13, 29 July 2020



Resident
Survival
Guide
File:Critical Pathways.gif

Abdominal pain Microchapters

Home

Patient Information

Overview

Classification

Pathophysiology

Causes

Diffuse Abdominal Pain
Left Upper Quadrant
Left Flank
Left Lower Quadrant
Epigastric Quadrant
Umbilical Region
Pelvic Region
Right Upper Quadrant
Right Flank
Right Lower Quadrant
Intraperitoneal
Extraperitoneal

Differentiating Abdominal pain from other Diseases

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

History and Symptoms

Physical Examination

Laboratory Findings

Electrocardiogram

X Ray

CT

Other Imaging Findings

Other Diagnostic Studies

Treatment

Medical Therapy

Surgery

Primary Prevention

Secondary Prevention

Cost-Effectiveness of Therapy

Future or Investigational Therapies

Case Studies

Case #1

Abdominal pain On the Web

Most recent articles

Most cited articles

Review articles

CME Programs

Powerpoint slides

Google Images

American Roentgen Ray Society Images of Abdominal pain

All Images
X-rays
Echo & Ultrasound
CT Images
MRI

Ongoing Trials at Clinical Trials.gov

US National Guidelines Clearinghouse

NICE Guidance

FDA on Abdominal pain

CDC on Abdominal pain

Abdominal pain in the news

Blogs on Abdominal pain

Directions to Hospitals Treating Abdominal pain

Risk calculators and risk factors for Abdominal pain

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Kiran Singh, M.D. [2]

Overview

Life threatening causes of abdominal pain include acute peritonitis, bowel obstruction, diabetic ketoacidosis and testicular torsion. Other common causes of abdominal pain include appendicitis, constipation, dysmenorrhea and lactose intolerance.

Causes

Causes Based upon Location

Diffuse | Left Upper Quadrant | Left Flank | Left Lower Quadrant | Epigastric Region | Umbilical Region | Pelvic Region | Right Upper Quadrant | Right Flank | Right Lower Quadrant

Life Threatening Causes

The unnamed parameter 2= is no longer supported. Please see the documentation for {{columns-list}}.
2

Common Causes

Causes by Organ System

Cardiovascular Anaphylaxis, aortic aneurysm, cholesterol emboli syndrome, chronic necrotizing vasculitis
Chemical / poisoning 1,2-dibromo-3-chloropropane, 1,2-dibromoethane, 1,2-dichloroethane, 1,4-dioxane, 1-propanol, 2,4,6-trinitrotoluene, 2,4-dichlorophenol, 2-acetylamino-fluorene, 2-butoxyethanol, 2-hexanone, 2-methyl-4-chlorophenoxyacetic acid, 2-nitropropane, 4-aminopyridine, 4-dimethylaminoazobenzene, 8-hydroxyquinoline, acetaminophen poisoning, acetic acid, acetonitrile, acetylandromedol, acetylene tetrabromide, aconitum, acrinathrin, acrylamide, acrylic acid, acrylonitrile, acute mercury inhalation, adiponitrile, alanycarb, albitocin, alcohol, aldicarb, aldoxycarb, alicyclic hydrocarbons, aliphatic amines, aliphatic hydrocarbons, aliphatic hydrogenated hydrocarbons, allyl alcohol, allyl chloride, allylamines, allyxycarb, aloe poisoning, alpha-cypermethrin, aluminum phosphide, amanita phalloides, amanita polypyramis poisoning, amaranth, amidithion, amines, aminocarb, amiton, ammonium bifluoride, ammonium nitrate, amygdalin, amyl acetate, andromedotoxin, anthraquinone, antimony, arachnidism, aromatic amines, aromatic halogenated hydrocarbons, arsenic poisoning, arsenic trioxide, arsine, asphalt, athyl-gusathion, azalea poisoning, azinfosethyl, azinfos-methyl, azinphosmetile, azothoate, barium nitrate, barium, bendiocarb, benoxafos, benzene, benzoate, benzyl chloride, beryllium, beta-cyfluthrin, bifenthrin, bioallethrin, bioresmethrin, bipyridyl pesticides, bismuth, black locust poisoning, black nightshade poisoning, black widow spider bite, borates, boron hydrides, box thorn poisoning, bromide, bromophos, bufencarb, butacarb, butocarboxim, buttercup poisoning, cadmium, cadusafos, calcium hypochlorite, calcium oxide, camphor, caper spruge poisoning, captan, carbamate insecticide poisoning, carbofuran, carbon disulfide, carbon monoxide toxicity, carbon tetrachloride, carbophenothion, carbosulfan, carmine, caspofungin, chlorate salts, chlordane, chlorfenvinphos, chlorinated benzenes, chlorinated naphthalenes, chlorobenzene, chlorodiphenyl, chloroform, chloropicrin, chloroprene, chloropyrifos, chokecherry seed poisoning, christmas cherry poisoning, chromium, cicutoxin, ciguatera poisoning, clitocybe dealbata, cloethocarb, coastal leucothoe poisoning, cobalt, cobra poisoning, coffeeweed poisoning, copper salts, copper toxicity, corsican hellebore poisoning, coumaphos, cresol, cyanthoate, cycad nut poisoning, cycasin, cyclochlorotine, cyfluthrin, cypermethrin, cyphenothrin, cypress spurge poisoning, daffodil poisoning, deadly nightshade (solanum dulcamara) poisoning, deathdamas poisoning, decarbofuran, deltamethrin, demeton, demeton-methyl, devil's snuff box poisoning, dialifos, diazinon, dibromochloropropane, dichlorvos, dicresyl, dicrotophos, diethylene glycol, fluoride poisoning, grape seed extract, lead poisoning, oleander, parathion, pesticide, pyridine, snakebites, spider bite, tributyl phosphate
Dermatology Adnexal and skin appendage neoplasms, angioneurotic edema, Behcet's disease, Chiari-Frommel syndrome, chronic necrotizing vasculitis
Drug Side Effect Acetylsalicylic acid, acarbose, acipimox, acyclovir, alosetron, allopurinolaminocaproic acid, amlodipine and benazepril, ambenonium, amodiaquine, amphetamine abuse, amphotericin, anesthetic agent, antiarrhythmics, anticoagulants, antifungals, antihypertensives, antineoplastic agents, antiviral medication, aspirin, ativan withdrawal, atomoxetine, atovaquone, atovaquone-Proguanil, auranofin, azithromycin, aztreonam, basiliximab, benzodiazepine, bethanechol chloride, bezafibrate, bicalutamide, bosutinib, busulfan, butyrophenone, carbarsone, carbaryl, caspofungin, cefdinir, cefixime, cephalosporin, cefuroxime, chloramphenicol, cidofovir, cimetidine, ciprofloxacin, cisapride, cladribine, clidinium, cyclopropane, clindamycin, clofibrate, codeine withdrawal, colchicine, contraceptive patch, cycloserine, cytarabine, dactinomycin, danazol, dantrolene, daptomycin, darvocet overdose, deferasirox, deferiprone, depo-provera, desmopressin,dexedrine overdose, didanosine, diflunisal, dimercaprol, donepezil, doxorubicin hydrochloride, drotrecogin alfa, dydrogesterone, ecallantide, enoxaparin, entacapone, elosulfase alfa, erythromycin, ethcathinone, etodolac, etonogestrel, etoposide phosphate, febuxostat, fesoterodine, flucytosine, flurbiprofen, fluvastatin, ganirelix, glyburide and metformin, halofantrine, hydroxychloroquine, idarubicin, imiglucerase, indinavir, interferon beta- 1b, irinotecan hydrochloride, isoniazid, itraconazole, ivacaftor, ivermectin, ketorolac tromethamine, lactulose, lanreotide, lansoprazole, lanthanum carbonate, levonorgestrel, loperamide, lopinavir, loprazolam, loratadine, magnesium citrate, mebendazole, medroxyprogesterone, megestrol, mercaptopurine, mesna, methimazole, methotrexate, methylphenidate, metronidazole, mifepristone, miglitol, misoprostol, moxifloxacin, muscarine, nafcillin, naltrexone, naproxen sodium, naproxen and esomeprazole magnesium, natalizumab, neuromuscular-blocking drugs, niclosamide, nitazoxanide, norethindrone acetate and Ethinyl estradiol, norgestrel and ethinyl estradiol, octreotide injection, omeprazole, olsalazine, orlistat, oxcarbazepine, pantoprazole, paromomycin sulfate, pasireotide, pazopanib hydrochloride, papaverine, piroxicam, pegaspargase, pentamidine Isethionate, pentavalent antimonial, pentostatin, perindopril, phenazocine, permethrin, pirfenidone, potassium iodide, polyethylene glycol-electrolyte solution (pEG-ES), potassium bicarbonate, potassium citrate, praziquantel, prazosin and polythiazide, primaquine phosphate, procainamide, procarbazine, progesterone, propylthiouracil, protirelin, rabeprazole, rasburicase, rifaximin, ritonavir, roxithromycin, sacrosidase, sargramostim, saquinavir mesylate, saxagliptin, secretin human, siltuximab, simvastatin, sorafenib, sucralfate, sulfasalazine, sunitinib, thiotepa, tianeptine, tigecycline, tolmetin, topiramate, topotecan, trametinib dimethyl sulfoxide, trastuzumab, tretinoin, triclofos, valacyclovir, vancomycin, vardenafil,vandetanib, vigabatrin, vinblastine, voriconazole, zafirlukast
Ear Nose Throat No underlying causes
Endocrine Addison's disease, adrenal crisis, adrenal disorders, adrenal gland hypofunction, adrenal hemorrhage, adrenal hyperplasia, adrenal insufficiency, Chiari-Frommel syndrome, congenital adrenal hyperplasia, cushing syndrome, diabetes mellitus type 2, diabetic gastroparesis, diabetic ketoacidosis, multiple endocrine neoplasia type 1
Environmental No underlying causes
Gastroenterologic Abdominal cramps, abdominal cutaneous nerve entrapment syndrome, abdominal mass, accessory pancreas, acute pancreatitis, appendicitis, autoimmune hepatitis, autoimmune pancreatitis, bacterial gastroenteritis, bowel obstruction, caecitis, carcinoid syndrome, celiac disease, Charcot's triad, cholangiocarcinoma, cholangitis, cholecystitis, choledochal cysts, choledocholithiasis, cholelithiasis, chronic erosive gastritis, curling ulcers, cushing ulcers, chronic hepatitis C, chronic hepatitis, chronic infectious diarrhea, chronic pancreatitis, cirrhosis, clostridial necrotizing enteritis, colitis, colorectal adenomatous polyposis, recessive, Colitis cystica profunda, colon cancer, familial, congenital lactase deficiency, congenital short bowel, colonic inertia, colonic polyps, colonic volvulus, colorectal cancer, Congenital hepatic porphyria, constipation, Crohn's disease, decreased intestinal motility, diarrhea, diverticulitis, duodenitis, dyspepsia, enteritis, epiploic appendagitis, gastric outlet obstruction, gastritis, gastroenteritis, gastrointestinal perforation, gastrointestinal stromal tumor, hemosuccus pancreaticus, ileitis, ileus, intestinal malrotation, intestinal pseudoobstruction, intussusception, irritable bowel syndrome, ischemic colitis, König's syndrome, Krukenberg tumor, malabsorption, Meckel's diverticulum, mesenteric ischemia, ogilvie syndrome, pancreatic cancer, pancreatitis, peptic ulcer, peritonitis, porcelain gallbladder, proctitis, pseudomembranous colitis, pseudomyxoma peritonei, toxic megacolon, ulcerative colitis, volvulus, Whipple's disease, cholangitis,
Genetic Adult cystic fibrosis, Baber's syndrome, Brachmann-de lange syndrome, Caroli disease, celiac disease, chester porphyria, Chromosome 12, isochromosome 12p mosaic, chromosome 12p tetrasomy syndrome, chromosome 1p deletion syndrome, chromosome 22q deletion syndrome, Chromosome 9q deletion syndrome, colon cancer, familial, colorectal adenomatous polyposis, recessive, congenital adrenal hyperplasia, congenital aplastic anemia, congenital lactase deficiency, congenital short bowel, coproporphyria, hereditary, Cornelia de Lange Syndrome, Crohn's disease, desmoid disease, hereditary, Gilbert's syndrome, Marfan syndrome, periodic fever syndrome, pyruvate carboxylase deficiency, Slone's disease
Hematologic Acute erythroleukemia, acute megacaryoblastic leukemia, acute myelofibrosis, acute myeloid leukaemia, acute non lymphoblastic leukemia, anemic, blood cancer, congenital aplastic anemia, congenital spherocytic anemia, porphyria
Iatrogenic Adjustable gastric band, cinchonism, postcholecystectomy syndrome, Roux-en-y syndrome
Infectious Disease African horse sickness, amoebiasis, ancylostoma duodenale, angiostrongyliasis, anguillulosis, anisakis, ankylostomiasis,anthrax, arcobacter infection, arenavirus, ascariasis, ascending cholangitis,, astrovirus, aseptic abscesses syndrome, astroviridae, autoimmune hepatitis, autoimmune oophoritis, babesiosis, bacillus cereus, bacterial gastroenteritis, bacterial septicemia, bartonella infections, balantidiasis, blastocystosis, Bornholm disease, bothriocephalosis, botulism food poisoning, brachylaima, burkholderia pseudomallei, campylobacteriosis, capillaria philippiensis infection, cat scratch fever, cestoda, clostridium difficile, Chagas disease, chandipura virus, chlamydial infection, chronic hepatitis c, chronic hepatitis, chronic infectious diarrhea, clonorchiasis, clostridial necrotizing enteritis, colibacillosis, Colorado tick fever, Colorado tick encephalitis, cryptosporidium parvum, cryptosporidiosis, cyclosporiasis, cystitis, Dengue fever, dicrocoelium dendriticum fluke, diarrhea, diarrheagenic escherichia coli, dientamoeba fragilis, ebola, entamoeba histolytica, familial Mediterranean fever, fasciolopsiasis, fasciolosis, fungemia, fusarium, Giardia lamblia, Hantavirus pulmonary syndrome, Helicobacter pylori infection, Henipavirus, hookworm, hymenolepis infection, isosporiasis, leptospirosis, mycobacterium avium complex, norovirus, opisthorchis infection, paragonimus infection, Q fever, rheumatic fever, rocky mountain spotted fever, salmonellosis, scarlet fever, schistosomiasis, scombrotoxic fish poisoning, shigellosis, strongyloidiasis, toxocariasis, trichomoniasis, typhoid fever, vibrio vulnificus, viral hepatitis , whipworm infection, yellow fever, yersiniosis
Musculoskeletal / Ortho No underlying causes
Neurologic Autonomic neuropathy, Charcot's triad, chronic fatigue syndrome
Nutritional / Metabolic Amyloidosis AL, aniseed, C1 esterase inhibitor deficiency, carbohydrate malabsorption, carageenan gum, carnitine-acylcarnitine translocase deficiency, cephalothoracic progressive lipodystrophy, chocolate, congenital lactase deficiency, congenital sucrose-isomaltose malabsorption, Cope's syndrome, coproporphyria, hereditary, pantothenic acid
Obstetric / Gynecologic Asherman syndrome, Autoimmune oophoritis, Braxton Hicks contractions, breech presentation, cervical cancer, contraceptive patch, ectopic pregnancy, endometrial cancer, endometriosis, menstruation, ovarian cancer, ovarian cyst, ovarian hyperstimulation syndrome, ovarian torsion, pelvic inflammatory disease, placental abruption, pregnancy, salpingitis, uterine fibroids, uterine rupture, uterine sarcoma
Oncologic Abdominal neoplasms, acute erythroleukemia, acute leukaemia, acute megacaryoblastic leukemia,acute myelofibrosis,acute non lymphoblastic leukemia, adenoma, islet cell, adnexal and skin appendage neoplasms,anal cancer, angiomyolipoma, appendix cancer, bile duct cancer, biliary tract cancer, bladder cancer, blood cancer, brinton disease, Burkitt lymphoma, carcinoid syndrome,cervical cancer, childhood liver cancer, primary, cholangiocarcinoma, chronic myelomonocytic leukemia, chronic neutrophilic leukemia, clear cell renal cell carcinoma, collecting duct carcinoma, colon cancer, familial, colorectal cancer, desmoplastic small round cell tumor, liposarcoma, liver tumor, mesothelioma, sacrococcygeal teratoma
Ophthalmologic No underlying causes
Overdose / Toxicity Aflatoxin,clupeotoxism, dexedrine overdose, hypervitaminosis A
Psychiatric Bulimia nervosa, childhood-onset bipolar disorder, depression
Pulmonary Allergies, alveolar hydatid disease, anaphylaxis, acquired angioedema, angioneurotic edema, aspiration pneumonia, basal pneumonia, Chilaiditi syndrome, Churg-Strauss syndrome, congenital bronchogenic cyst, decompression sickness, empyema, pleuritis, pulmonary embolism, pulmonary infarction, tuberculosis
Renal / Electrolyte Bright's disease, Burnett's milk drinker's syndrome, chronic renal insufficiency, clear cell renal cell carcinoma, collecting duct carcinoma, congenital lactic acidosis, congenital megalo-ureter, continuous ambulatory peritoneal dialysis, Cope's syndrome, cystitis, hydronephrosis, hypercalcemia, hyperkalemia, hypocalcemia, nutcracker syndrome, polycystic kidney disease, pyelonephritis, ureterocele,urinary tract infection
Rheum / Immune / Allergy Allergies, alpha heavy chain disease, anaphylaxis, acquired angioedema, angiofollicular ganglionic hyperplasia, angioneurotic edema, autoimmune oophoritis, autoimmune pancreatitis, autoimmune thyroid disease, Behcet's disease, celiac disease, chronic fatigue syndrome, chronic necrotizing vasculitis, Churg-Strauss syndrome, citric acid intolerance, collagenous celiac disease, diffuse systemic sclerosis, systemic lupus erythematosus, polyarteritis nodosa
Sexual No underlying causes
Trauma No underlying causes
Urologic Bladder cancer, prostate cancer, prostatitis
Miscellaneous African horse sickness, baking powder, foreign body, side stitch, capillary leak syndrome

Causes in Alphabetical Order

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Acute Abdomen

Common causes of acute abdomen include:

Chronic Functional Abdominal Pain

Common causes of CFAP stem from:

References

Template:Gastroenterology

Template:WikiDoc Sources