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[[fainting|Pre-syncope]] is most often described as lightheaded or feeling faint. [[Syncope]], by contrast, is actually fainting. [[Pre-syncope]], or [[lightheadedness]], does not result from primary [[central nervous system]] pathology. Nor does it originate in the inner ear. It is most often cardiovascular in etiology. In many patients, [[lightheadedness]] is a symptom of [[orthostatic hypotension]]. [[Orthostatic hypotension]] occurs when the blood pressure drops significantly when the patient stands from a supine or seated position. If loss of [[consciousness]] occurs in this situation, it is termed [[fainting|syncope]].
[[fainting|Pre-syncope]] is most often described as lightheaded or feeling faint. [[Syncope]], by contrast, is actually fainting. [[Pre-syncope]], or [[lightheadedness]], does not result from primary [[central nervous system]] pathology. Nor does it originate in the inner ear. It is most often cardiovascular in etiology. In many patients, [[lightheadedness]] is a symptom of [[orthostatic hypotension]]. [[Orthostatic hypotension]] occurs when the blood pressure drops significantly when the patient stands from a supine or seated position. If loss of [[consciousness]] occurs in this situation, it is termed [[fainting|syncope]].
===Complete Differential Diagnosis of the causes of Dizziness===
(In alphabetical order)
{{MultiCol}}
*[[1,1,1-Trichloroethane]]
*[[1,4-Dichlorobenzene]]
*[[3-Quinuclidinyl benzilate]]
*[[5-HT3 antagonist]]
*[[Abatacept Injection (patient information)]]
*[[Abciximab (patient information)]]
*[[Acamprosate (patient information)]]
*[[ACE inhibitor]]
*[[Acebutolol (patient information)]]
*[[Aceclofenac]]
*[[Acetaminophen and Codeine (patient information)]]
*[[Acetohexamide (patient information)]]
*[[Acetylene]]
*[[Acetylsalicylic acid (patient information)]]
*[[Aciclovir]]
*[[Acitretin (patient information)]]
*[[Actiq]]
*[[Acyclovir (patient information)]]
*[[Adalimumab Injection (patient information)]]
*[[Adrenal metastases]]
*[[Ajulemic acid]]
*[[Alatrofloxacin Injection (patient information)]]
*[[Albuterol (patient information)]]
*[[Alcohol flush reaction]]
*[[Aldesleukin (patient information)]]
*[[Alefacept]]
*[[Alendronate (patient information)]]
*[[Alfuzosin (patient information)]]
*[[Algophobia]]
*[[Aliskiren (patient information)]]
*[[Alprazolam (patient information)]]
*[[Altitude sickness]]
*[[Altretamine (patient information)]]
*[[Amantadine (patient information)]]
*[[Amifostine Injection (patient information)]]
*[[Amiloride and Hydrochlorothiazide (patient information)]]
*[[Amiodarone]]
*[[Amitriptyline (patient information)]]
*[[Amlodipine (patient information)]]
*[[Amnesic shellfish poisoning]]
*[[Amobarbital (patient information)]]
*[[Amphotericin B Injection (patient information)]]
*[[Ampicillin Sodium Injection (patient information)]]
*[[Amyl nitrite]]
*[[Anagrelide (patient information)]]
*[[Anastrozole (patient information)]]
*[[Aneisokonia]]
*[[Anesthesia]]
*[[Angiotensin Converting Enzyme Inhibitor (patient information)]]
*[[Angiotensin II receptor antagonist]]
*[[Aniline]]
*[[Antihemophilic Factor (Human) (patient information)]]
*[[Antihemophilic Factor (Recombinant) (patient information)]]
*[[Antihistamine]]
*[[Antimony]]
*[[Antiretroviral drug]]
*[[Aortic Stenosis]]
*[[Aortic valve stenosis]]
*[[Aortocaval compression syndrome]]
*[[Aprepitant (patient information)]]
*[[Aripiprazole (patient information)]]
*[[Arnold-Chiari malformation]]
*[[Asparaginase (patient information)]]
*[[Aspirin]]
*[[Atazanavir (patient information)]]
*[[Atenolol (patient information)]]
*[[Atorvastatin (patient information)]]
*[[Atovaquone (patient information)]]
*[[Atrial flutter]]
*[[Atrial myxoma]]
*[[Atropine]]
*[[Azelastine]]
*[[Azithromycin]]
*[[Baclofen Oral (patient information)]]
*[[Balance disorder]]
*[[Benazepril (patient information)]]
*[[Benign paroxysmal positional vertigo]]
*[[Benzene]]
*[[Benzodiazepine]]
*[[Benzonatate (patient information)]]
*[[Benztropine Mesylate Oral (patient information)]]
*[[Benzylpiperazine]]
*[[Bepridil (patient information)]]
*[[Bethanechol (patient information)]]
*[[Bevacizumab Injection (patient information)]]
*[[Bezafibrate (patient information)]]
*[[Bicalutamide (patient information)]]
*[[Bifocals]]
*[[Biperiden]]
*[[Bisoprolol (patient information)]]
*[[Bortezomib (patient information)]]
*[[Bosentan (patient information)]]
*[[Bothrops]]
*[[Bromocriptine]]
*[[Bromomethane]]
*[[Brompheniramine (patient information)]]
*[[Budesonide Inhalation Powder (patient information)]]
*[[Bumetanide (patient information)]]
*[[Bupivacaine]]
*[[Buprenorphine]]
*[[Bupropion]]
*[[Buspirone (patient information)]]
*[[Busulfan (patient information)]]
*[[Butabarbital (patient information)]]
*[[Butalbital]]
*[[Butanethiol]]
*[[Butorphanol]]
*[[Cabergoline]]
*[[Cadmium poisoning]]
*[[Cafergot]]
*[[Calanolide A]]
*[[Candesartan (patient information)]]
*[[Capecitabine (patient information)]]
*[[Captopril (patient information)]]
*[[Carbamazepine (patient information)]]
*[[Carbon monoxide poisoning]]
*[[Carboplatin (patient information)]]
*[[Cardiac amyloidosis]]
*[[Cardiomegaly]]
*[[Carisoprodol (patient information)]]
*[[Carteolol (patient information)]]
*[[Carvedilol (patient information)]]
*[[Cefaclor]]
*[[Centrophenoxine]]
*[[Cerebrovascular disease]]
*[[Cervical spondylosis]]
*[[Cetuximab Injection (patient information)]]
*[[Chediak-Higashi disease]]
*[[Chlorambucil (patient information)]]
*[[Chlordiazepoxide (patient information)]]
*[[Chloroform]]
*[[Chloropyramine]]
*[[Chlorothiazide (patient information)]]
*[[Chlorpheniramine (patient information)]]
*[[Chlorpropamide (patient information)]]
*[[Chlorthalidone (patient information)]]
*[[Chlorzoxazone (patient information)]]
*[[Choline Magnesium Trisalicylate (patient information)]]
*[[Chronic Fatigue Syndrome]]
*[[Chronic mountain sickness]]
*[[Ciclesonide Nasal Spray (patient information)]]
*[[Cilostazol (patient information)]]
*[[Cimetidine (patient information)]]
*[[Cinacalcet (patient information)]]
*[[Cinchonism]]
*[[Cinoxacin (patient information)]]
*[[Citalopram]]
*[[Cladribine (patient information)]]
*[[Clarithromycin]]
*[[Clemastine (patient information)]]
*[[Clofarabine Injection (patient information)]]
*[[Clofibrate (patient information)]]
*[[Clomipramine (patient information)]]
*[[Clonazepam (patient information)]]
*[[Clonidine]]
*[[Clopidogrel (patient information)]]
*[[Clorazepate (patient information)]]
*[[Codeine Oral (patient information)]]
*[[Cogan syndrome]]
*[[Coital cephalalgia]]
*[[Colistimethate Injection (patient information)]]
*[[Colofac]]
*[[Colorectal cancer]]
*[[Concussion]]
*[[Co-trimoxazole Injection (patient information)]]
*[[Cyanocobalamin Injection (patient information)]]
*[[Cyanogen]]
*[[Cyclobenzaprine (patient information)]]
*[[Cyclosporine (patient information)]]
*[[Cyproheptadine (patient information)]]
*[[Dacarbazine (patient information)]]
*[[Dactinomycin (patient information)]]
*[[Dalteparin Sodium Injection (patient information)]]
*[[Dantrolene Oral (patient information)]]
*[[Daptomycin]]
*[[Darbepoetin Alfa Injection (patient information)]]
*[[Decompression sickness]]
*[[Dehydration]]
*[[Desipramine]]
*[[Desloratadine (patient information)]]
*[[Desoxyn]]
*[[Dexamethasone Oral (patient information)]]
*[[Dexmethylphenidate]]
*[[Dextroamphetamine and Amphetamine (patient information)]]
*[[Dextromethorphan]]
*[[Dezocine]]
*[[Diampromide]]
*[[Diazepam (patient information)]]
*[[Dicofol]]
*[[Dicyclomine (patient information)]]
*[[Didanosine (patient information)]]
*[[Diethylcathinone]]
*[[Diethylpropion (patient information)]]
*[[Diflunisal (patient information)]]
*[[Digoxin Oral (patient information)]]
*[[Dihydroetorphine]]
*[[Diltiazem (patient information)]]
*[[Dimenoxadol]]
*[[Dinoprostone]]
*[[Dioxaphetyl Butyrate]]
*[[Diphtheria, Tetanus, and Pertussis (DTaP) Vaccine (patient information)]]
*[[Dipyridamole (patient information)]]
*[[Disopyramide (patient information)]]
*[[Dobutamine Hydrochloride Injection (patient information)]]
*[[Docetaxel (patient information)]]
*[[Dofetilide (patient information)]]
*[[Dolasetron (patient information)]]
*[[Donepezil (patient information)]]
*[[Dothiepin]]
*[[Doxazosin (patient information)]]
*[[Doxepin]]
*[[Duloxetine]]
*[[Ebola hemorrhagic fever]]
*[[ECA stack]]
*[[Efavirenz (patient information)]]
*[[Emergency contraception]]
*[[Emtricitabine (patient information)]]
*[[Enalapril (patient information)]]
*[[Enfuvirtide Injection (patient information)]]
*[[Enoxacin (patient information)]]
*[[Entacapone (patient information)]]
*[[Entecavir (patient information)]]
*[[Ephedra]]
*[[Ephedrine]]
*[[Eplerenone (patient information)]]
*[[Epoetin Alfa Injection (patient information)]]
*[[Ergotamine and Caffeine (patient information)]]
*[[Escitalopram]]
*[[Estazolam (patient information)]]
*[[Estrogen]]
*[[Eszopiclone (patient information)]]
*[[Etanercept Injection (patient information)]]
*[[Ethcathinone]]
*[[Ethchlorvynol]]
*[[Ethoheptazine]]
*[[Ethosuximide]]
*[[Ethotoin]]
*[[Ethylene]]
*[[Etodolac (patient information)]]
*[[Etoposide Oral and Injection (patient information)]]
*[[Eugenol]]
*[[Exemestane (patient information)]]
*[[Exenatide Injection (patient information)]]
*[[Ezetimibe (patient information)]]
{{ColBreak}}
*[[Familial atrial fibrillation]]
*[[Famotidine (patient information)]]
*[[Felodipine (patient information)]]
*[[Fenofibrate (patient information)]]
*[[Fenoprofen (patient information)]]
*[[Fentanyl Citrate Injection (patient information)]]
*[[Fexofenadine (patient information)]]
*[[Fioricet]]
*[[Flavoxate (patient information)]]
*[[Floxuridine (patient information)]]
*[[Fluconazole]]
*[[Fludrocortisone Acetate (patient information)]]
*[[Flunitrazepam]]
*[[Flurazepam]]
*[[Fluticasone Oral Inhalation (patient information)]]
*[[Fluvoxamine]]
*[[Food intolerance]]
*[[Formoterol (patient information)]]
*[[Fosamprenavir (patient information)]]
*[[Fosinopril (patient information)]]
*[[Frovatriptan (patient information)]]
*[[Fulvestrant Injection (patient information)]]
*[[Furfural]]
*[[Furosemide (patient information)]]
*[[Gabapentin (patient information)]]
*[[Galantamine (patient information)]]
*[[Ganciclovir (patient information)]]
*[[Gastric dumping syndrome]]
*[[Gatifloxacin (patient information)]]
*[[Gemcitabine Hydrochloride (patient information)]]
*[[Gemeprost]]
*[[Gemfibrozil (patient information)]]
*[[Giardia lamblia]]
*[[Ginkgo]]
*[[Glatiramer Injection (patient information)]]
*[[Glimepiride (patient information)]]
*[[Glipizide (patient information)]]
*[[Glutaraldehyde]]
*[[Glyburide (patient information)]]
*[[Glycopyrrolate (patient information)]]
*[[Granisetron (patient information)]]
*[[Grayanotoxin]]
*[[Green Tobacco Sickness]]
*[[Grifulvin V]]
*[[Griseofulvin (patient information)]]
*[[Group A streptococcal infection]]
*[[Guanabenz (patient information)]]
*[[Guanethidine (patient information)]]
*[[Guanfacine (patient information)]]
*[[Gulf War syndrome]]
*[[Gyromitra esculenta]]
*[[Gyromitrin]]
*[[H2 antagonist]]
*[[Haemochromatosis]]
*[[Hantavirus Pulmonary Syndrome]]
*[[Heavy metal ingestion]]
*[[Hemorrhagic fever with renal syndrome]]
*[[Hydrazine]]
*[[Hydrochlorothiazide (patient information)]]
*[[Hydrocodone]]
*[[Hydrocortisone Injection (patient information)]]
*[[Hydrogen sulfide]]
*[[Hydromorphone]]
*[[Hydroxychloroquine (patient information)]]
*[[Hydroxyzine (patient information)]]
*[[Hyoscyamine (patient information)]]
*[[Hypertension]]
*[[Hyperventilation syndrome]]
*[[Hypervitaminosis A]]
*[[Hypoglycemia]]
*[[Hypotension]]
*[[Ibandronate (patient information)]]
*[[Idarubicin (patient information)]]
*[[Ifosfamide (patient information)]]
*[[Iloperidone]]
*[[Imatinib (patient information)]]
*[[Imiglucerase Injection (patient information)]]
*[[Imipenem and Cilastatin Sodium Injection (patient information)]]
*[[Imipramine]]
*[[Immune Globulin Intravenous Injection (patient information)]]
*[[Inappropriate sinus tachycardia]]
*[[Indapamide (patient information)]]
*[[Indinavir (patient information)]]
*[[Indometacin]]
*[[Indomethacin (patient information)]]
*[[Infectious mononucleosis]]
*[[Infliximab Injection (patient information)]]
*[[Influenza Vaccine, Inactivated (patient information)]]
*[[Influenza Vaccine, Live Intranasal (patient information)]]
*[[Insulin lispro injection (patient information)]]
*[[Interferon Alfa-2a and Alfa-2b Injection (patient information)]]
*[[Interferon Alfacon-1 Injection (patient information)]]
*[[Interferon beta-1a Intramuscular Injection (patient information)]]
*[[Iodomethane]]
*[[Ipratropium Oral Inhalation (patient information)]]
*[[Irbesartan (patient information)]]
*[[Isocarboxazid (patient information)]]
*[[Isopropyl alcohol]]
*[[Isoproterenol Oral Inhalation (patient information)]]
*[[Isosorbide (patient information)]]
*[[Isoxsuprine Oral (patient information)]]
*[[Isradipine (patient information)]]
*[[Itraconazole (patient information)]]
*[[Ivabradine]]
*[[Kaopectate]]
*[[Ketorolac]]
*[[Labetalol Oral (patient information)]]
*[[Labyrinthitis]]
*[[Lacosamide]]
*[[Lamivudine (patient information)]]
*[[Lamotrigine (patient information)]]
*[[Lanthanum (patient information)]]
*[[L-DOPA]]
*[[Lead]]
*[[Leflunomide (patient information)]]
*[[Letrozole (patient information)]]
*[[Leukemia]]
*[[Leuprolide (patient information)]]
*[[Levalbuterol Oral Inhalation (patient information)]]
*[[Levetiracetam (patient information)]]
*[[Levobupivacaine]]
*[[Levodopa and Carbidopa (patient information)]]
*[[Levofloxacin Oral (patient information)]]
*[[Levomethadyl (patient information)]]
*[[Levorphanol Oral (patient information)]]
*[[Lidocaine]]
*[[Lindane (patient information)]]
*[[Lisinopril (patient information)]]
*[[Lithium]]
*[[Lomotil]]
*[[Lomustine (patient information)]]
*[[Loop diuretic]]
*[[Loratadine (patient information)]]
*[[Lorazepam (patient information)]]
*[[Losartan]]
*[[Losartan (patient information)]]
*[[Loxapine Oral (patient information)]]
*[[Lysuride]]
*[[Magnesium gluconate (patient information)]]
*[[Magnesium oxide (patient information)]]
*[[Mal de debarquement syndrome]]
*[[Malaria prophylaxis]]
*[[Maprotiline]]
*[[Marburg hemorrhagic fever]]
*[[Marine toxins]]
*[[Mebutamate]]
*[[Mechlorethamine (patient information)]]
*[[Medroxyprogesterone (patient information)]]
*[[Medulloblastoma]]
*[[Mefenamic Acid (patient information)]]
*[[Mefloquine (patient information)]]
*[[Megestrol (patient information)]]
*[[Melphalan (patient information)]]
*[[Memantine]]
*[[Ménière's disease]]
*[[Meperidine (patient information)]]
*[[Mercaptopurine]]
*[[Meropenem Injection (patient information)]]
*[[Mesoridazine Oral (patient information)]]
*[[Metaproterenol (patient information)]]
*[[Metaxalone (patient information)]]
*[[Metethoheptazine]]
*[[Metformin (patient information)]]
*[[Methemoglobinemia]]
*[[Metheptazine]]
*[[Methimazole (patient information)]]
*[[Methocarbamol Oral (patient information)]]
*[[Methotrexate (patient information)]]
*[[Methoxsalen]]
*[[Methyclothiazide (patient information)]]
*[[Methyldopa]]
*[[Methylergonovine]]
*[[Methylphenidate]]
*[[Methylprednisolone Oral (patient information)]]
*[[Methyprylon]]
*[[Metipranolol Ophthalmic (patient information)]]
*[[Metoclopramide]]
*[[Metolachlor]]
*[[Metolazone (patient information)]]
*[[Metoprolol (patient information)]]
*[[Metronidazole]]
*[[Mexiletine]]
*[[Midazolam]]
*[[Mifepristone]]
*[[Miglitol (patient information)]]
*[[Minocycline Injection]]
*[[Minoxidil Oral (patient information)]]
*[[Mitomycin (patient information)]]
*[[Modafinil (patient information)]]
*[[Moexipril (patient information)]]
*[[Moricizine (patient information)]]
*[[Morphine Oral (patient information)]]
*[[Motion sickness]]
*[[Motofen]]
*[[Moxonidine]]
*[[Multi-infarct dementia]]
*[[Multiple chemical sensitivity]]
*[[Multiple sclerosis]]
*[[Multiple system atrophy]]
*[[Mushroom poisoning]]
*[[Mycophenolate (patient information)]]
*[[Nabilone (patient information)]]
*[[Nabumetone (patient information)]]
*[[Nadolol (patient information)]]
*[[Nalbuphine]]
*[[Nalmefene]]
*[[Naratriptan (patient information)]]
*[[Natalizumab injection (patient information)]]
*[[Nateglinide oral (patient information)]]
*[[Nebivolol]]
*[[Nelfinavir (patient information)]]
*[[N-Ethyl-3-piperidyl benzilate]]
*[[Neuroglycopenia]]
*[[Nevirapine (patient information)]]
*[[Niaprazine]]
*[[Nicardipine (patient information)]]
*[[Nicotine gum (patient information)]]
*[[Nicotine lozenges (patient information)]]
*[[Nifedipine (patient information)]]
*[[Nilutamide (patient information)]]
*[[Nimodipine (patient information)]]
*[[Nisoldipine (patient information)]]
*[[Nitrazepam]]
*[[Nitrous oxide]]
*[[Nizatidine (patient information)]]
*[[N-Methyl-3-piperidyl benzilate]]
*[[Norethindrone (patient information)]]
*[[Norplant]]
*[[Nutmeg]]
*[[Ofloxacin oral (patient information)]]
*[[Olanzapine (patient information)]]
*[[Olmesartan (patient information)]]
*[[Omalizumab injection (patient information)]]
*[[Omeprazole (patient information)]]
*[[Ondansetron (patient information)]]
*[[Opioid]]
*[[Orphenadrine (patient information)]]
*[[Orthostatic hypotension]]
*[[Oscillopsia]]
*[[Oseltamivir (patient information)]]
*[[Otitis externa]]
*[[Oxacillin Sodium Injection (patient information)]]
*[[Oxaliplatin injection (patient information)]]
*[[Oxamniquine]]
{{ColBreak}}
*[[Oxazepam (patient information)]]
*[[Oxcarbazepine (patient information)]]
*[[Oxybutynin (patient information)]]
*[[Oxygen toxicity]]
*[[Paclitaxel (patient information)]]
*[[Paliperidone (patient information)]]
*[[Pamidronate injection (patient information)]]
*[[Panic disorder]]
*[[Parkinson's disease]]
*[[Paroxetine]]
*[[Pegaspargase (patient information)]]
*[[Peginterferon alfa-2a (patient information)]]
*[[Peginterferon alfa-2b (patient information)]]
*[[Pemetrexed injection (patient information)]]
*[[Pemoline (patient information)]]
*[[Penbutolol (patient information)]]
*[[Pentamidine]]
*[[Pentazocine and naloxone (patient information)]]
*[[Pentosan polysulfate (patient information)]]
*[[Pentostatin (patient information)]]
*[[Pentoxifylline (patient information)]]
*[[Pergolide (patient information)]]
*[[Perhexiline]]
*[[Perindopril (patient information)]]
*[[Peripheral Arterial Disease]]
*[[Perphenazine oral (patient information)]]
*[[Phenampromide]]
*[[Phenazepam]]
*[[Phenazopyridine (patient information)]]
*[[Phenelzine]]
*[[Phenobarbital]]
*[[Phenoxybenzamine (patient information)]]
*[[Phentermine]]
*[[Phenylephrine (patient information)]]
*[[Phenytoin]]
*[[Pholcodine]]
*[[Pilocarpine ophthalmic (patient information)]]
*[[Pimozide (patient information)]]
*[[Pindolol (patient information)]]
*[[Pioglitazone (patient information)]]
*[[Pirbuterol acetate oral inhalation (patient information)]]
*[[Piribedil]]
*[[Piroxicam]]
*[[Pizotifen]]
*[[Plicamycin (patient information)]]
*[[Polycythemia]]
*[[Posaconazole (patient information)]]
*[[Post-concussion syndrome]]
*[[Posterior inferior cerebellar artery syndrome]]
*[[Pramipexole (patient information)]]
*[[Pramlintide injection (patient information)]]
*[[Prazepam (patient information)]]
*[[Praziquantel]]
*[[Prazosin (patient information)]]
*[[Pregabalin]]
*[[Pregabalin (patient information)]]
*[[Pregnancy]]
*[[Primaquine (patient information)]]
*[[Probenecid (patient information)]]
*[[Procainamide (patient information)]]
*[[Procarbazine (patient information)]]
*[[Proctitis]]
*[[Proheptazine]]
*[[Promethazine]]
*[[Propafenone]]
*[[Propantheline (patient information)]]
*[[Propiram]]
*[[Propoxyphene (patient information)]]
*[[Propranolol Oral (patient information)]]
*[[Propylthiouracil (patient information)]]
*[[Protriptyline (patient information)]]
*[[Pseudoephedrine]]
*[[Psychiatric conditions]]
*[[Pulmonary hypertension]]
*[[Pulmonary valve stenosis]]
*[[Pure autonomic failure]]
*[[Quazepam]]
*[[Quetiapine]]
*[[Quinapril]]
*[[Quinethazone]]
*[[Quinidine Oral (patient information)]]
*[[Quinoline]]
*[[Rabeprazole (patient information)]]
*[[Ramelteon (patient information)]]
*[[Ramipril]]
*[[Ranibizumab injection (patient information)]]
*[[Ranitidine hydrochloride injection (patient information)]]
*[[Ranolazine (patient information)]]
*[[Rasagiline (patient information)]]
*[[Reactive hypoglycemia]]
*[[Reboxetine]]
*[[Remacemide]]
*[[Remifentanil]]
*[[Repaglinide (patient information)]]
*[[Reserpine]]
*[[Respiratory alkalosis]]
*[[Ribavirin (patient information)]]
*[[Rift Valley fever]]
*[[Riluzole (patient information)]]
*[[Risedronate (patient information)]]
*[[Risperidone (patient information)]]
*[[Ritonavir (patient information)]]
*[[Rituximab injection (patient information)]]
*[[Rivastigmine (patient information)]]
*[[Rizatriptan (patient information)]]
*[[Roflumilast]]
*[[Ropinirole (patient information)]]
*[[Ropivacaine]]
*[[Rosiglitazone (patient information)]]
*[[Rosuvastatin (patient information)]]
*[[Roxithromycin]]
*[[Rubbing alcohol]]
*[[Salmeterol oral inhalation (patient information)]]
*[[Salsalate (patient information)]]
*[[Saquinavir (patient information)]]
*[[Sargramostim injection (patient information)]]
*[[Scombroid food poisoning]]
*[[Scopolamine patch (patient information)]]
*[[Secobarbital]]
*[[Second Degree AV Block]]
*[[Selegiline (patient information)]]
*[[Shock]]
*[[Sibutramine]]
*[[Sibutramine (patient information)]]
*[[Sick building syndrome]]
*[[Sick sinus syndrome]]
*[[Sildenafil (patient information)]]
*[[Sinus bradycardia]]
*[[Sitaxsentan]]
*[[Sleep deprivation]]
*[[Sodium oxybate (patient information)]]
*[[Sodium stibogluconate]]
*[[Solanine]]
*[[Solifenacin (patient information)]]
*[[Sotalol (patient information)]]
*[[Sparfloxacin (patient information)]]
*[[Spironolactone (patient information)]]
*[[SSRI discontinuation syndrome]]
*[[Staphylococcal enteritis]]
*[[Stendhal syndrome]]
*[[Stimulant laxatives (patient information)]]
*[[Subdural hematoma]]
*[[Sulfadiazine (patient information)]]
*[[Sulfisoxazole (patient information)]]
*[[Sulindac (patient information)]]
*[[Sulprostone]]
*[[Sumatriptan]]
*[[Superior canal dehiscence]]
*[[Supraventricular tachycardia]]
*[[Suspension trauma]]
*[[Syncope]]
*[[Syringobulbia]]
*[[Systemic lupus erythematosus]]
*[[Takayasu arteritis]]
*[[Tamoxifen (patient information)]]
*[[Tamsulosin (patient information)]]
*[[Tapentadol]]
*[[Tegaserod (patient information)]]
*[[Telbivudine (patient information)]]
*[[Telithromycin (patient information)]]
*[[Telmisartan (patient information)]]
*[[Temazepam]]
*[[Temozolomide (patient information)]]
*[[Teniposide (patient information)]]
*[[Terbutaline (patient information)]]
*[[Teriparatide (rDNA origin) Injection (patient information)]]
*[[Testicular torsion]]
*[[Testosterone Transdermal (patient information)]]
*[[Tetrabenazine]]
*[[Tetrahydrocannabinol]]
*[[Thiabendazole]]
*[[Thiamine (Vitamin B1) deficiency]]
*[[Thioridazine (patient information)]]
*[[Thiotepa (patient information)]]
*[[Thiothixene Oral (patient information)]]
*[[Tiagabine]]
*[[Tianeptine]]
*[[Ticarcillin Disodium Injection (patient information)]]
*[[Tiludronate (patient information)]]
*[[Timolol Oral (patient information)]]
*[[Tinidazole]]
*[[Tizanidine (patient information)]]
*[[Tocainide (patient information)]]
*[[Tolazamide (patient information)]]
*[[Tolbutamide (patient information)]]
*[[Tolcapone (patient information)]]
*[[Topiramate]]
*[[Topotecan Hydrochloride (patient information)]]
*[[Torsemide Oral (patient information)]]
*[[Tralomethrin]]
*[[Tramadol]]
*[[Trandolapril]]
*[[Transient ischaemic attack]]
*[[Tranylcypromine (patient information)]]
*[[Trastuzumab (patient information)]]
*[[Trazodone]]
*[[Treprostinil]]
*[[Triamcinolone Oral (patient information)]]
*[[Triamterene]]
*[[Triazolam (patient information)]]
*[[Trichloroethylene]]
*[[Triclofos]]
*[[Tricyclic antidepressant]]
*[[Trifluoperazine Oral (patient information)]]
*[[Trihexyphenidyl (patient information)]]
*[[Trimeprazine (patient information)]]
*[[Trimetazidine]]
*[[Trimethobenzamide (patient information)]]
*[[Trimetrexate Glucuronate (patient information)]]
*[[Trimipramine (patient information)]]
*[[Tripelennamine]]
*[[Tropisetron]]
*[[Trovafloxacin (patient information)]]
*[[Tularemia]]
*[[Tunnel vision]]
*[[Vagal episode]]
*[[Valaciclovir]]
*[[Valganciclovir (patient information)]]
*[[Valproic acid]]
*[[Valsartan]]
*[[Vancomycin]]
*[[Vardenafil (patient information)]]
*[[Venlafaxine]]
*[[Verapamil]]
*[[Vertigo]]
*[[Vestibular neuronitis]]
*[[Vicodin]]
*[[Vigabatrin]]
*[[Vinyl chloride]]
*[[Viral Hemorrhagic Fever]]
*[[Voriconazole (patient information)]]
*[[Vorinostat (patient information)]]
*[[Wolff-Parkinson-White Syndrome]]
*[[Yellow Fever]]
*[[Zaleplon (patient information)]]
*[[Zanamivir Inhalation (patient information)]]
*[[Ziconotide]]
*[[Zidovudine Oral (patient information)]]
*[[Zileuton (patient information)]]
*[[Ziprasidone (patient information)]]
*[[Zoledronic Acid Injection (patient information)]]
*[[Zolmitriptan Oral (patient information)]]
*[[Zolpidem (patient information)]]
*[[Zonisamide (patient information)]]
*[[Zopiclone]]
{{EndMultiCol}}
===Complete Differential Diagnosis of the Causes of ...===
(By organ system)
{|style="width:80%; height:100px" border="1"
|style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Cardiovascular'''
|style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Chemical / poisoning'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Dermatologic'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Drug Side Effect'''
|bgcolor="Beige"|
[[Abatacept Injection (patient information)]],
[[Abciximab (patient information)]],
[[Acamprosate (patient information)]],
[[Acebutolol (patient information)]],
[[Acetaminophen and Codeine (patient information)]],
[[Acetohexamide (patient information)]],
[[Acetylsalicylic acid (patient information)]],
[[Acitretin (patient information)]],
[[Acyclovir (patient information)]],
[[Adalimumab Injection (patient information)]],
[[Alatrofloxacin Injection (patient information)]],
[[Albuterol (patient information)]],
[[Aldesleukin (patient information)]],
[[Alendronate (patient information)]],
[[Alfuzosin (patient information)]],
[[Aliskiren (patient information)]],
[[Alprazolam (patient information)]],
[[Altretamine (patient information)]],
[[Amantadine (patient information)]],
[[Amifostine Injection (patient information)]],
[[Amiloride and Hydrochlorothiazide (patient information)]],
[[Amitriptyline (patient information)]],
[[Amlodipine (patient information)]],
[[Amobarbital (patient information)]],
[[Amphotericin B Injection (patient information)]],
[[Ampicillin Sodium Injection (patient information)]],
[[Anagrelide (patient information)]],
[[Anastrozole (patient information)]],
[[Angiotensin Converting Enzyme Inhibitor (patient information)]],
[[Antihemophilic Factor (Human) (patient information)]],
[[Antihemophilic Factor (Recombinant) (patient information)]],
[[Aprepitant (patient information)]],
[[Aripiprazole (patient information)]],
[[Asparaginase (patient information)]],
[[Atazanavir (patient information)]],
[[Atenolol (patient information)]],
[[Atorvastatin (patient information)]],
[[Atovaquone (patient information)]],
[[Baclofen Oral (patient information)]],
[[Benazepril (patient information)]],
[[Benzonatate (patient information)]],
[[Benztropine Mesylate Oral (patient information)]],
[[Bepridil (patient information)]],
[[Bethanechol (patient information)]],
[[Bevacizumab Injection (patient information)]],
[[Bezafibrate (patient information)]],
[[Bicalutamide (patient information)]],
[[Bisoprolol (patient information)]],
[[Bortezomib (patient information)]],
[[Bosentan (patient information)]],
[[Brompheniramine (patient information)]],
[[Budesonide Inhalation Powder (patient information)]],
[[Bumetanide (patient information)]],
[[Buspirone (patient information)]],
[[Busulfan (patient information)]],
[[Butabarbital (patient information)]],
[[Candesartan (patient information)]],
[[Capecitabine (patient information)]],
[[Captopril (patient information)]],
[[Carbamazepine (patient information)]],
[[Carboplatin (patient information)]],
[[Carisoprodol (patient information)]],
[[Carteolol (patient information)]],
[[Carvedilol (patient information)]],
[[Cetuximab Injection (patient information)]],
[[Chlorambucil (patient information)]],
[[Chlordiazepoxide (patient information)]],
[[Chlorothiazide (patient information)]],
[[Chlorpheniramine (patient information)]],
[[Chlorpropamide (patient information)]],
[[Chlorthalidone (patient information)]],
[[Chlorzoxazone (patient information)]],
[[Choline Magnesium Trisalicylate (patient information)]],
[[Ciclesonide Nasal Spray (patient information)]],
[[Cilostazol (patient information)]],
[[Cimetidine (patient information)]],
[[Cinacalcet (patient information)]],
[[Cinoxacin (patient information)]],
[[Cladribine (patient information)]],
[[Clemastine (patient information)]],
[[Clofarabine Injection (patient information)]],
[[Clofibrate (patient information)]],
[[Clomipramine (patient information)]],
[[Clonazepam (patient information)]],
[[Clopidogrel (patient information)]],
[[Clorazepate (patient information)]],
[[Codeine Oral (patient information)]],
[[Colistimethate Injection (patient information)]],
[[Co-trimoxazole Injection (patient information)]],
[[Cyanocobalamin Injection (patient information)]],
[[Cyclobenzaprine (patient information)]],
[[Cyclosporine (patient information)]],
[[Cyproheptadine (patient information)]],
[[Dacarbazine (patient information)]],
[[Dactinomycin (patient information)]],
[[Dalteparin Sodium Injection (patient information)]],
[[Dantrolene Oral (patient information)]],
[[Darbepoetin Alfa Injection (patient information)]],
[[Desloratadine (patient information)]],
[[Dexamethasone Oral (patient information)]],
[[Dextroamphetamine and Amphetamine (patient information)]],
[[Diazepam (patient information)]],
[[Dicyclomine (patient information)]],
[[Didanosine (patient information)]],
[[Diethylpropion (patient information)]],
[[Diflunisal (patient information)]],
[[Digoxin Oral (patient information)]],
[[Diltiazem (patient information)]],
[[Diphtheria, Tetanus, and Pertussis (DTaP) Vaccine (patient information)]],
[[Dipyridamole (patient information)]],
[[Disopyramide (patient information)]],
[[Dobutamine Hydrochloride Injection (patient information)]],
[[Docetaxel (patient information)]],
[[Dofetilide (patient information)]],
[[Dolasetron (patient information)]],
[[Donepezil (patient information)]],
[[Doxazosin (patient information)]],
[[Efavirenz (patient information)]],
[[Emtricitabine (patient information)]],
[[Enalapril (patient information)]],
[[Enfuvirtide Injection (patient information)]],
[[Enoxacin (patient information)]],
[[Entacapone (patient information)]],
[[Entecavir (patient information)]],
[[Eplerenone (patient information)]],
[[Epoetin Alfa Injection (patient information)]],
[[Ergotamine and Caffeine (patient information)]],
[[Estazolam (patient information)]],
[[Eszopiclone (patient information)]],
[[Etanercept Injection (patient information)]],
[[Etodolac (patient information)]],
[[Etoposide Oral and Injection (patient information)]],
[[Exemestane (patient information)]],
[[Exenatide Injection (patient information)]],
[[Ezetimibe (patient information)]],
[[Famotidine (patient information)]],
[[Felodipine (patient information)]],
[[Fenofibrate (patient information)]],
[[Fenoprofen (patient information)]],
[[Fentanyl Citrate Injection (patient information)]],
[[Fexofenadine (patient information)]],
[[Flavoxate (patient information)]],
[[Floxuridine (patient information)]],
[[Fludrocortisone Acetate (patient information)]],
[[Fluticasone Oral Inhalation (patient information)]],
[[Formoterol (patient information)]],
[[Fosamprenavir (patient information)]],
[[Fosinopril (patient information)]],
[[Frovatriptan (patient information)]],
[[Fulvestrant Injection (patient information)]],
[[Furosemide (patient information)]],
[[Gabapentin (patient information)]],
[[Galantamine (patient information)]],
[[Ganciclovir (patient information)]],
[[Gatifloxacin (patient information)]],
[[Gemcitabine Hydrochloride (patient information)]],
[[Gemfibrozil (patient information)]],
[[Glatiramer Injection (patient information)]],
[[Glimepiride (patient information)]],
[[Glipizide (patient information)]],
[[Glyburide (patient information)]],
[[Glycopyrrolate (patient information)]],
[[Granisetron (patient information)]],
[[Griseofulvin (patient information)]],
[[Guanabenz (patient information)]],
[[Guanethidine (patient information)]],
[[Guanfacine (patient information)]],
[[Hydrochlorothiazide (patient information)]],
[[Hydrocortisone Injection (patient information)]],
[[Hydroxychloroquine (patient information)]],
[[Hydroxyzine (patient information)]],
[[Hyoscyamine (patient information)]],
[[Ibandronate (patient information)]],
[[Idarubicin (patient information)]],
[[Ifosfamide (patient information)]],
[[Imatinib (patient information)]],
[[Imiglucerase Injection (patient information)]],
[[Imipenem and Cilastatin Sodium Injection (patient information)]],
[[Immune Globulin Intravenous Injection (patient information)]],
[[Indapamide (patient information)]],
[[Indinavir (patient information)]],
[[Indomethacin (patient information)]],
[[Infliximab Injection (patient information)]],
[[Influenza Vaccine, Inactivated (patient information)]],
[[Influenza Vaccine, Live Intranasal (patient information)]],
[[Insulin lispro injection (patient information)]],
[[Interferon Alfa-2a and Alfa-2b Injection (patient information)]],
[[Interferon Alfacon-1 Injection (patient information)]],
[[Interferon beta-1a Intramuscular Injection (patient information)]],
[[Ipratropium Oral Inhalation (patient information)]],
[[Irbesartan (patient information)]],
[[Isocarboxazid (patient information)]],
[[Isoproterenol Oral Inhalation (patient information)]],
[[Isosorbide (patient information)]],
[[Isoxsuprine Oral (patient information)]],
[[Isradipine (patient information)]],
[[Itraconazole (patient information)]],
[[Labetalol Oral (patient information)]],
[[Lamivudine (patient information)]],
[[Lamotrigine (patient information)]],
[[Lanthanum (patient information)]],
[[Leflunomide (patient information)]],
[[Letrozole (patient information)]],
[[Leuprolide (patient information)]],
[[Levalbuterol Oral Inhalation (patient information)]],
[[Levetiracetam (patient information)]],
[[Levodopa and Carbidopa (patient information)]],
[[Levofloxacin Oral (patient information)]],
[[Levomethadyl (patient information)]],
[[Levorphanol Oral (patient information)]],
[[Lindane (patient information)]],
[[Lisinopril (patient information)]],
[[Lomustine (patient information)]],
[[Loratadine (patient information)]],
[[Lorazepam (patient information)]],
[[Losartan (patient information)]],
[[Loxapine Oral (patient information)]],
[[Magnesium gluconate (patient information)]],
[[Magnesium oxide (patient information)]],
[[Mechlorethamine (patient information)]],
[[Medroxyprogesterone (patient information)]],
[[Mefenamic Acid (patient information)]],
[[Mefloquine (patient information)]],
[[Megestrol (patient information)]],
[[Melphalan (patient information)]],
[[Meperidine (patient information)]],
[[Meropenem Injection (patient information)]],
[[Mesoridazine Oral (patient information)]],
[[Metaproterenol (patient information)]],
[[Metaxalone (patient information)]],
[[Metformin (patient information)]],
[[Methimazole (patient information)]],
[[Methocarbamol Oral (patient information)]],
[[Methotrexate (patient information)]],
[[Methyclothiazide (patient information)]],
[[Methylprednisolone Oral (patient information)]],
[[Metipranolol Ophthalmic (patient information)]],
[[Metolazone (patient information)]],
[[Metoprolol (patient information)]],
[[Miglitol (patient information)]],
[[Minoxidil Oral (patient information)]],
[[Mitomycin (patient information)]],
[[Modafinil (patient information)]],
[[Moexipril (patient information)]],
[[Moricizine (patient information)]],
[[Morphine Oral (patient information)]],
[[Mycophenolate (patient information)]],
[[Nabilone (patient information)]],
[[Nabumetone (patient information)]],
[[Nadolol (patient information)]],
[[Naratriptan (patient information)]],
[[Natalizumab injection (patient information)]],
[[Nateglinide oral (patient information)]],
[[Nelfinavir (patient information)]],
[[Nevirapine (patient information)]],
[[Nicardipine (patient information)]],
[[Nicotine gum (patient information)]],
[[Nicotine lozenges (patient information)]],
[[Nifedipine (patient information)]],
[[Nilutamide (patient information)]],
[[Nimodipine (patient information)]],
[[Nisoldipine (patient information)]],
[[Nizatidine (patient information)]],
[[Norethindrone (patient information)]],
[[Ofloxacin oral (patient information)]],
[[Olanzapine (patient information)]],
[[Olmesartan (patient information)]],
[[Omalizumab injection (patient information)]],
[[Omeprazole (patient information)]],
[[Ondansetron (patient information)]],
[[Orphenadrine (patient information)]],
[[Oseltamivir (patient information)]],
[[Oxacillin Sodium Injection (patient information)]],
[[Oxaliplatin injection (patient information)]],
[[Oxazepam (patient information)]],
[[Oxcarbazepine (patient information)]],
[[Oxybutynin (patient information)]],
[[Paclitaxel (patient information)]],
[[Paliperidone (patient information)]],
[[Pamidronate injection (patient information)]],
[[Pegaspargase (patient information)]],
[[Peginterferon alfa-2a (patient information)]],
[[Peginterferon alfa-2b (patient information)]],
[[Pemetrexed injection (patient information)]],
[[Pemoline (patient information)]],
[[Penbutolol (patient information)]],
[[Pentazocine and naloxone (patient information)]],
[[Pentosan polysulfate (patient information)]],
[[Pentostatin (patient information)]],
[[Pentoxifylline (patient information)]],
[[Pergolide (patient information)]],
[[Perindopril (patient information)]],
[[Perphenazine oral (patient information)]],
[[Phenazopyridine (patient information)]],
[[Phenoxybenzamine (patient information)]],
[[Phenylephrine (patient information)]],
[[Pilocarpine ophthalmic (patient information)]],
[[Pimozide (patient information)]],
[[Pindolol (patient information)]],
[[Pioglitazone (patient information)]],
[[Pirbuterol acetate oral inhalation (patient information)]],
[[Plicamycin (patient information)]],
[[Posaconazole (patient information)]],
[[Pramipexole (patient information)]],
[[Pramlintide injection (patient information)]],
[[Prazepam (patient information)]],
[[Prazosin (patient information)]],
[[Pregabalin (patient information)]],
[[Primaquine (patient information)]],
[[Probenecid (patient information)]],
[[Procainamide (patient information)]],
[[Procarbazine (patient information)]],
[[Propantheline (patient information)]],
[[Propoxyphene (patient information)]],
[[Propranolol Oral (patient information)]],
[[Propylthiouracil (patient information)]],
[[Protriptyline (patient information)]],
[[Quinidine Oral (patient information)]],
[[Rabeprazole (patient information)]],
[[Ramelteon (patient information)]],
[[Ranibizumab injection (patient information)]],
[[Ranitidine hydrochloride injection (patient information)]],
[[Ranolazine (patient information)]],
[[Rasagiline (patient information)]],
[[Repaglinide (patient information)]],
[[Ribavirin (patient information)]],
[[Riluzole (patient information)]],
[[Risedronate (patient information)]],
[[Risperidone (patient information)]],
[[Ritonavir (patient information)]],
[[Rituximab injection (patient information)]],
[[Rivastigmine (patient information)]],
[[Rizatriptan (patient information)]],
[[Ropinirole (patient information)]],
[[Rosiglitazone (patient information)]],
[[Rosuvastatin (patient information)]],
[[Salmeterol oral inhalation (patient information)]],
[[Salsalate (patient information)]],
[[Saquinavir (patient information)]],
[[Sargramostim injection (patient information)]],
[[Scopolamine patch (patient information)]],
[[Selegiline (patient information)]],
[[Sibutramine (patient information)]],
[[Sildenafil (patient information)]],
[[Sodium oxybate (patient information)]],
[[Solifenacin (patient information)]],
[[Sotalol (patient information)]],
[[Sparfloxacin (patient information)]],
[[Spironolactone (patient information)]],
[[Stimulant laxatives (patient information)]],
[[Sulfadiazine (patient information)]],
[[Sulfisoxazole (patient information)]],
[[Sulindac (patient information)]],
[[Tamoxifen (patient information)]],
[[Tamsulosin (patient information)]],
[[Tegaserod (patient information)]],
[[Telbivudine (patient information)]],
[[Telithromycin (patient information)]],
[[Telmisartan (patient information)]],
[[Temozolomide (patient information)]],
[[Teniposide (patient information)]],
[[Terbutaline (patient information)]],
[[Teriparatide (rDNA origin) Injection (patient information)]],
[[Testosterone Transdermal (patient information)]],
[[Thioridazine (patient information)]],
[[Thiotepa (patient information)]],
[[Thiothixene Oral (patient information)]],
[[Ticarcillin Disodium Injection (patient information)]],
[[Tiludronate (patient information)]],
[[Timolol Oral (patient information)]],
[[Tizanidine (patient information)]],
[[Tocainide (patient information)]],
[[Tolazamide (patient information)]],
[[Tolbutamide (patient information)]],
[[Tolcapone (patient information)]],
[[Topotecan Hydrochloride (patient information)]],
[[Torsemide Oral (patient information)]],
[[Tranylcypromine (patient information)]],
[[Trastuzumab (patient information)]],
[[Triamcinolone Oral (patient information)]],
[[Triazolam (patient information)]],
[[Trifluoperazine Oral (patient information)]],
[[Trihexyphenidyl (patient information)]],
[[Trimeprazine (patient information)]],
[[Trimethobenzamide (patient information)]],
[[Trimetrexate Glucuronate (patient information)]],
[[Trimipramine (patient information)]],
[[Trovafloxacin (patient information)]],
[[Valganciclovir (patient information)]],
[[Vardenafil (patient information)]],
[[Voriconazole (patient information)]],
[[Vorinostat (patient information)]],
[[Zaleplon (patient information)]],
[[Zanamivir Inhalation (patient information)]],
[[Zidovudine Oral (patient information)]],
[[Zileuton (patient information)]],
[[Ziprasidone (patient information)]],
[[Zoledronic Acid Injection (patient information)]],
[[Zolmitriptan Oral (patient information)]],
[[Zolpidem (patient information)]],
[[Zonisamide (patient information)]],
|-
|-bgcolor="LightSteelBlue"
| '''Ear Nose Throat'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Endocrine'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Environmental'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Gastroenterologic'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Genetic'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Hematologic'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Iatrogenic'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Infectious Disease'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Musculoskeletal / Ortho'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Neurologic'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Nutritional / Metabolic'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Obstetric/Gynecologic'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Oncologic'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Opthalmologic'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Overdose / Toxicity'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Psychiatric'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Pulmonary'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Renal / Electrolyte'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Rheum / Immune / Allergy'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Sexual'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Trauma'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Urologic'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Miscellaneous'''
|bgcolor="Beige"| No underlying causes
|-
|}


==External Links==
==External Links==

Revision as of 16:02, 21 May 2009

Dizziness
ICD-10 R42
ICD-9 780.4
DiseasesDB 17771
eMedicine neuro/693 
MeSH C10.597.751.237

Template:Search infobox Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Please Take Over This Page and Apply to be Editor-In-Chief for this topic: There can be one or more than one Editor-In-Chief. You may also apply to be an Associate Editor-In-Chief of one of the subtopics below. Please mail us [2] to indicate your interest in serving either as an Editor-In-Chief of the entire topic or as an Associate Editor-In-Chief for a subtopic. Please be sure to attach your CV and or biographical sketch.

Overview

Many different terms are often used to describe what is collectively known as dizziness. Common descriptions include words such as lightheaded, floating, whoozy, giddy, confused, helpless or fuzzy. Vertigo, Disequilibrium and Pre-syncope are the terms in use by most doctors. Dizziness is sometimes a symptom of a balance disorder.

Vertigo

The word "vertigo" comes from the Latin "vertere", to turn + the suffix "-igo", a condition = a condition of turning about.

Vertigo is a specific medical term used to describe the sensation of spinning or having the room spin about you. Most people find vertigo very disturbing and often report associated nausea and vomiting.

Otologic causes of vertigo

Typically if the vertigo arises from the inner ear, it is severe and has associated nausea and vomiting. One common cause of otologic vertigo is benign paroxysmal positional vertigo BPPV. Alternate causes of vertigo originating from the inner ear include Meniere's disease and labyrinthitis.

Central nervous system causes of vertigo:

If vertigo arises from the balance centers of the brain, it is typically more mild, and usually has accompanying neurologic deficits, such as slurred speech, double vision or nystagmus. Alternately, brain pathology can cause a sensation of disequilibrium which is an off-balance sensation.

Disequilibrium

Disequilibrium is the sensation of being off balance, and is most often characterized by frequent falls in a specific direction. This condition is not often associated with nausea or vomiting.

Pre-syncope

Pre-syncope is most often described as lightheaded or feeling faint. Syncope, by contrast, is actually fainting. Pre-syncope, or lightheadedness, does not result from primary central nervous system pathology. Nor does it originate in the inner ear. It is most often cardiovascular in etiology. In many patients, lightheadedness is a symptom of orthostatic hypotension. Orthostatic hypotension occurs when the blood pressure drops significantly when the patient stands from a supine or seated position. If loss of consciousness occurs in this situation, it is termed syncope.

Complete Differential Diagnosis of the causes of Dizziness

(In alphabetical order)


Complete Differential Diagnosis of the Causes of ...

(By organ system)

Cardiovascular No underlying causes
Chemical / poisoning No underlying causes
Dermatologic No underlying causes
Drug Side Effect

Abatacept Injection (patient information), Abciximab (patient information), Acamprosate (patient information), Acebutolol (patient information), Acetaminophen and Codeine (patient information), Acetohexamide (patient information), Acetylsalicylic acid (patient information), Acitretin (patient information), Acyclovir (patient information), Adalimumab Injection (patient information), Alatrofloxacin Injection (patient information), Albuterol (patient information), Aldesleukin (patient information), Alendronate (patient information), Alfuzosin (patient information), Aliskiren (patient information), Alprazolam (patient information), Altretamine (patient information), Amantadine (patient information), Amifostine Injection (patient information), Amiloride and Hydrochlorothiazide (patient information), Amitriptyline (patient information), Amlodipine (patient information), Amobarbital (patient information), Amphotericin B Injection (patient information), Ampicillin Sodium Injection (patient information), Anagrelide (patient information), Anastrozole (patient information), Angiotensin Converting Enzyme Inhibitor (patient information), Antihemophilic Factor (Human) (patient information), Antihemophilic Factor (Recombinant) (patient information), Aprepitant (patient information), Aripiprazole (patient information), Asparaginase (patient information), Atazanavir (patient information), Atenolol (patient information), Atorvastatin (patient information), Atovaquone (patient information), Baclofen Oral (patient information), Benazepril (patient information), Benzonatate (patient information), Benztropine Mesylate Oral (patient information), Bepridil (patient information), Bethanechol (patient information), Bevacizumab Injection (patient information), Bezafibrate (patient information), Bicalutamide (patient information), Bisoprolol (patient information), Bortezomib (patient information), Bosentan (patient information), Brompheniramine (patient information), Budesonide Inhalation Powder (patient information), Bumetanide (patient information), Buspirone (patient information), Busulfan (patient information), Butabarbital (patient information), Candesartan (patient information), Capecitabine (patient information), Captopril (patient information), Carbamazepine (patient information), Carboplatin (patient information), Carisoprodol (patient information), Carteolol (patient information), Carvedilol (patient information), Cetuximab Injection (patient information), Chlorambucil (patient information), Chlordiazepoxide (patient information), Chlorothiazide (patient information), Chlorpheniramine (patient information), Chlorpropamide (patient information), Chlorthalidone (patient information), Chlorzoxazone (patient information), Choline Magnesium Trisalicylate (patient information), Ciclesonide Nasal Spray (patient information), Cilostazol (patient information), Cimetidine (patient information), Cinacalcet (patient information), Cinoxacin (patient information), Cladribine (patient information), Clemastine (patient information), Clofarabine Injection (patient information), Clofibrate (patient information), Clomipramine (patient information), Clonazepam (patient information), Clopidogrel (patient information), Clorazepate (patient information), Codeine Oral (patient information), Colistimethate Injection (patient information), Co-trimoxazole Injection (patient information), Cyanocobalamin Injection (patient information), Cyclobenzaprine (patient information), Cyclosporine (patient information), Cyproheptadine (patient information), Dacarbazine (patient information), Dactinomycin (patient information), Dalteparin Sodium Injection (patient information), Dantrolene Oral (patient information), Darbepoetin Alfa Injection (patient information), Desloratadine (patient information), Dexamethasone Oral (patient information), Dextroamphetamine and Amphetamine (patient information), Diazepam (patient information), Dicyclomine (patient information), Didanosine (patient information), Diethylpropion (patient information), Diflunisal (patient information), Digoxin Oral (patient information), Diltiazem (patient information), Diphtheria, Tetanus, and Pertussis (DTaP) Vaccine (patient information), Dipyridamole (patient information), Disopyramide (patient information), Dobutamine Hydrochloride Injection (patient information), Docetaxel (patient information), Dofetilide (patient information), Dolasetron (patient information), Donepezil (patient information), Doxazosin (patient information), Efavirenz (patient information), Emtricitabine (patient information), Enalapril (patient information), Enfuvirtide Injection (patient information), Enoxacin (patient information), Entacapone (patient information), Entecavir (patient information), Eplerenone (patient information), Epoetin Alfa Injection (patient information), Ergotamine and Caffeine (patient information), Estazolam (patient information), Eszopiclone (patient information), Etanercept Injection (patient information), Etodolac (patient information), Etoposide Oral and Injection (patient information), Exemestane (patient information), Exenatide Injection (patient information), Ezetimibe (patient information), Famotidine (patient information), Felodipine (patient information), Fenofibrate (patient information), Fenoprofen (patient information), Fentanyl Citrate Injection (patient information), Fexofenadine (patient information), Flavoxate (patient information), Floxuridine (patient information), Fludrocortisone Acetate (patient information), Fluticasone Oral Inhalation (patient information), Formoterol (patient information), Fosamprenavir (patient information), Fosinopril (patient information), Frovatriptan (patient information), Fulvestrant Injection (patient information), Furosemide (patient information), Gabapentin (patient information), Galantamine (patient information), Ganciclovir (patient information), Gatifloxacin (patient information), Gemcitabine Hydrochloride (patient information), Gemfibrozil (patient information), Glatiramer Injection (patient information), Glimepiride (patient information), Glipizide (patient information), Glyburide (patient information), Glycopyrrolate (patient information), Granisetron (patient information), Griseofulvin (patient information), Guanabenz (patient information), Guanethidine (patient information), Guanfacine (patient information), Hydrochlorothiazide (patient information), Hydrocortisone Injection (patient information), Hydroxychloroquine (patient information), Hydroxyzine (patient information), Hyoscyamine (patient information), Ibandronate (patient information), Idarubicin (patient information), Ifosfamide (patient information), Imatinib (patient information), Imiglucerase Injection (patient information), Imipenem and Cilastatin Sodium Injection (patient information), Immune Globulin Intravenous Injection (patient information), Indapamide (patient information), Indinavir (patient information), Indomethacin (patient information), Infliximab Injection (patient information), Influenza Vaccine, Inactivated (patient information), Influenza Vaccine, Live Intranasal (patient information), Insulin lispro injection (patient information), Interferon Alfa-2a and Alfa-2b Injection (patient information), Interferon Alfacon-1 Injection (patient information), Interferon beta-1a Intramuscular Injection (patient information), Ipratropium Oral Inhalation (patient information), Irbesartan (patient information), Isocarboxazid (patient information), Isoproterenol Oral Inhalation (patient information), Isosorbide (patient information), Isoxsuprine Oral (patient information), Isradipine (patient information), Itraconazole (patient information), Labetalol Oral (patient information), Lamivudine (patient information), Lamotrigine (patient information), Lanthanum (patient information), Leflunomide (patient information), Letrozole (patient information), Leuprolide (patient information), Levalbuterol Oral Inhalation (patient information), Levetiracetam (patient information), Levodopa and Carbidopa (patient information), Levofloxacin Oral (patient information), Levomethadyl (patient information), Levorphanol Oral (patient information), Lindane (patient information), Lisinopril (patient information), Lomustine (patient information), Loratadine (patient information), Lorazepam (patient information), Losartan (patient information), Loxapine Oral (patient information), Magnesium gluconate (patient information), Magnesium oxide (patient information), Mechlorethamine (patient information), Medroxyprogesterone (patient information), Mefenamic Acid (patient information), Mefloquine (patient information), Megestrol (patient information), Melphalan (patient information), Meperidine (patient information), Meropenem Injection (patient information), Mesoridazine Oral (patient information), Metaproterenol (patient information), Metaxalone (patient information), Metformin (patient information), Methimazole (patient information), Methocarbamol Oral (patient information), Methotrexate (patient information), Methyclothiazide (patient information), Methylprednisolone Oral (patient information), Metipranolol Ophthalmic (patient information), Metolazone (patient information), Metoprolol (patient information), Miglitol (patient information), Minoxidil Oral (patient information), Mitomycin (patient information), Modafinil (patient information), Moexipril (patient information), Moricizine (patient information), Morphine Oral (patient information), Mycophenolate (patient information), Nabilone (patient information), Nabumetone (patient information), Nadolol (patient information), Naratriptan (patient information), Natalizumab injection (patient information), Nateglinide oral (patient information), Nelfinavir (patient information), Nevirapine (patient information), Nicardipine (patient information), Nicotine gum (patient information), Nicotine lozenges (patient information), Nifedipine (patient information), Nilutamide (patient information), Nimodipine (patient information), Nisoldipine (patient information), Nizatidine (patient information), Norethindrone (patient information), Ofloxacin oral (patient information), Olanzapine (patient information), Olmesartan (patient information), Omalizumab injection (patient information), Omeprazole (patient information), Ondansetron (patient information), Orphenadrine (patient information), Oseltamivir (patient information), Oxacillin Sodium Injection (patient information), Oxaliplatin injection (patient information), Oxazepam (patient information), Oxcarbazepine (patient information), Oxybutynin (patient information), Paclitaxel (patient information), Paliperidone (patient information), Pamidronate injection (patient information), Pegaspargase (patient information), Peginterferon alfa-2a (patient information), Peginterferon alfa-2b (patient information), Pemetrexed injection (patient information), Pemoline (patient information), Penbutolol (patient information), Pentazocine and naloxone (patient information), Pentosan polysulfate (patient information), Pentostatin (patient information), Pentoxifylline (patient information), Pergolide (patient information), Perindopril (patient information), Perphenazine oral (patient information), Phenazopyridine (patient information), Phenoxybenzamine (patient information), Phenylephrine (patient information), Pilocarpine ophthalmic (patient information), Pimozide (patient information), Pindolol (patient information), Pioglitazone (patient information), Pirbuterol acetate oral inhalation (patient information), Plicamycin (patient information), Posaconazole (patient information), Pramipexole (patient information), Pramlintide injection (patient information), Prazepam (patient information), Prazosin (patient information), Pregabalin (patient information), Primaquine (patient information), Probenecid (patient information), Procainamide (patient information), Procarbazine (patient information), Propantheline (patient information), Propoxyphene (patient information), Propranolol Oral (patient information), Propylthiouracil (patient information), Protriptyline (patient information), Quinidine Oral (patient information), Rabeprazole (patient information), Ramelteon (patient information), Ranibizumab injection (patient information), Ranitidine hydrochloride injection (patient information), Ranolazine (patient information), Rasagiline (patient information), Repaglinide (patient information), Ribavirin (patient information), Riluzole (patient information), Risedronate (patient information), Risperidone (patient information), Ritonavir (patient information), Rituximab injection (patient information), Rivastigmine (patient information), Rizatriptan (patient information), Ropinirole (patient information), Rosiglitazone (patient information), Rosuvastatin (patient information), Salmeterol oral inhalation (patient information), Salsalate (patient information), Saquinavir (patient information), Sargramostim injection (patient information), Scopolamine patch (patient information), Selegiline (patient information), Sibutramine (patient information), Sildenafil (patient information), Sodium oxybate (patient information), Solifenacin (patient information), Sotalol (patient information), Sparfloxacin (patient information), Spironolactone (patient information), Stimulant laxatives (patient information), Sulfadiazine (patient information), Sulfisoxazole (patient information), Sulindac (patient information), Tamoxifen (patient information), Tamsulosin (patient information), Tegaserod (patient information), Telbivudine (patient information), Telithromycin (patient information), Telmisartan (patient information), Temozolomide (patient information), Teniposide (patient information), Terbutaline (patient information), Teriparatide (rDNA origin) Injection (patient information), Testosterone Transdermal (patient information), Thioridazine (patient information), Thiotepa (patient information), Thiothixene Oral (patient information), Ticarcillin Disodium Injection (patient information), Tiludronate (patient information), Timolol Oral (patient information), Tizanidine (patient information), Tocainide (patient information), Tolazamide (patient information), Tolbutamide (patient information), Tolcapone (patient information), Topotecan Hydrochloride (patient information), Torsemide Oral (patient information), Tranylcypromine (patient information), Trastuzumab (patient information), Triamcinolone Oral (patient information), Triazolam (patient information), Trifluoperazine Oral (patient information), Trihexyphenidyl (patient information), Trimeprazine (patient information), Trimethobenzamide (patient information), Trimetrexate Glucuronate (patient information), Trimipramine (patient information), Trovafloxacin (patient information), Valganciclovir (patient information), Vardenafil (patient information), Voriconazole (patient information), Vorinostat (patient information), Zaleplon (patient information), Zanamivir Inhalation (patient information), Zidovudine Oral (patient information), Zileuton (patient information), Ziprasidone (patient information), Zoledronic Acid Injection (patient information), Zolmitriptan Oral (patient information), Zolpidem (patient information), Zonisamide (patient information),

Ear Nose Throat No underlying causes
Endocrine No underlying causes
Environmental No underlying causes
Gastroenterologic No underlying causes
Genetic No underlying causes
Hematologic No underlying causes
Iatrogenic No underlying causes
Infectious Disease No underlying causes
Musculoskeletal / Ortho No underlying causes
Neurologic No underlying causes
Nutritional / Metabolic No underlying causes
Obstetric/Gynecologic No underlying causes
Oncologic No underlying causes
Opthalmologic No underlying causes
Overdose / Toxicity No underlying causes
Psychiatric No underlying causes
Pulmonary No underlying causes
Renal / Electrolyte No underlying causes
Rheum / Immune / Allergy No underlying causes
Sexual No underlying causes
Trauma No underlying causes
Urologic No underlying causes
Miscellaneous No underlying causes

External Links

See also

Template:Skin and subcutaneous tissue symptoms and signs Template:Nervous and musculoskeletal system symptoms and signs Template:Urinary system symptoms and signs Template:Cognition, perception, emotional state and behaviour symptoms and signs Template:Speech and voice symptoms and signs Template:General symptoms and signs

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