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==Overview==
==Overview==
==Symptoms==
[[Virus|Viral]] [[meningitis]] symptoms are varied, depending on the causative [[organism]].  The symptoms of viral meningitis usually last from 7 to 10 days, and people with normal [[immune]] systems usually recover completely. A [[rash]] may be present, which could suggest a particular [[virus]] - for example, ''[[varicella zoster]]''. However, a non-blanching [[purpuric]] [[rash]] is not associated with meningitis and suggests [[systemic]] [[bacterial infection]].
Symptoms are varied, depending on the causative organism.  The symptoms of viral meningitis usually last from 7 to 10 days, and people with normal immune systems usually recover completely. <ref name="urlCDC - Meningitis - Viral">{{cite web |url=http://www.cdc.gov/meningitis/viral.html |title=CDC - Meningitis - Viral |format= |work= |accessdate=}}</ref>
The more common symptoms of meningitis are [[fever]], severe [[headache]], [[stiff neck]], [[Photophobia|bright lights hurting the eyes]], [[drowsiness]] or [[confusion]], and [[nausea]] and [[vomiting]]. In babies, the symptoms are more difficult to identify. They may include [[fever]], [[irritability]], difficulty in awakening the baby, or the baby refuses to eat. The symptoms of [[meningitis]] may not be the same for every person.


These are then followed by [[meningitis]], characterized by;
==History and symptoms==
* [[Headache]]
The more common symptoms of meningitis are [[fever]], severe [[headache]], [[stiff neck]], [[Photophobia|bright lights hurting the eyes]], [[drowsiness]] or [[confusion]], and [[nausea]] and [[vomiting]]. In babies, the symptoms are more difficult to identify. They may include [[fever]], [[irritability]], difficulty in awakening the baby, or the baby refuses to eat. The symptoms of meningitis may not be the same for every person.
* [[Stiff neck]]
 
* [[Fever]]
===Common symptoms===
* [[Photophobia]]
====Common Symptoms in Infants====
* [[Drowsiness]]
*[[Fever]]  
* [[Myalgia]]
*[[Irritability]]
*Poor eating
*[[Lethargy]]
*Sleepy and trouble in walking up from sleeping


A [[rash]] may be present, which could suggest a particular virus - for example, ''[[varicella zoster]]''. However, a non-blanching [[purpuric]] rash is not associated with meningitis and suggests [[systemic]] bacterial infection.
====Common Symptoms in Adults====
*High [[fever]]
*Severe [[headache]]
*[[Stiff neck]]
*[[Photophobia| Sensitivity to bright light]]  
*[[Nausea]]
*[[Vomiting]]
*Lack of appetite


The more common symptoms of meningitis are [[fever]], severe headache, stiff neck, bright lights hurting the eyes, drowsiness or confusion, and [[nausea]] and [[vomiting]]. In babies, the symptoms are more difficult to identify. They may include fever, fretfulness or irritability, difficulty in awakening the baby, or the baby refuses to eat. The symptoms of meningitis may not be the same for every person.
===Pathogen specific symptoms===
*[[Enteroviruses]]:<ref name="pmid6310537">{{cite journal| author=Wilfert CM, Lehrman SN, Katz SL| title=Enteroviruses and meningitis. | journal=Pediatr Infect Dis | year= 1983 | volume= 2 | issue= 4 | pages= 333-41 | pmid=6310537 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=6310537  }} </ref>
**[[Enteroviral]] [[meningitis]] presents with the general symptoms of the viral meningitis for both adults and children which are the [[fever]], [[anorexia]], [[headache]], [[myalgia]] and [[Respiratory tract infections|respiratory tract infections.]]
**In infants there may be no evident signs of [[meningitis]]. However, in severe illness, [[seizures]] are noticed.
**Development of [[ulcers]] in the [[mouth]], [[hand]] and [[foot]] is one of the specific symptoms of the enteroviruses.<ref name="pmid17377160">{{cite journal| author=Chang LY, Huang LM, Gau SS, Wu YY, Hsia SH, Fan TY et al.| title=Neurodevelopment and cognition in children after enterovirus 71 infection. | journal=N Engl J Med | year= 2007 | volume= 356 | issue= 12 | pages= 1226-34 | pmid=17377160 | doi=10.1056/NEJMoa065954 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=17377160  }} </ref>. [[Conjunctivitis]] and [[pharyngitis]] can also be considered symptoms of enteroviral meningitis.  


===Common Symptoms in Infants===
*Herpes viruses:
* [[Fever]]
**Viral meningitis caused by the herpes viruses has the general symptoms of the disease but it can only be presented with just [[fever]].
* [[Irritability]]
**[[Skin rash]] can be seen in case of [[infection]] with [[varicella zoster virus]].
* Poor eating
**Genitourinary [[lesions]] like the [[ulcers]] may be noticed in case of herpes simplex type 2 infection.
* Hard to awaken


===Common Symptoms in Adults===
*Arboviruses:
* High [[fever]]
**They mostly cause [[encephalitis]] which has similar symptoms to the viral meningitis.
* Severe [[headache]]
 
* Stiff neck
*Parechoviruses:<ref name="pmid20948454">{{cite journal| author=Selvarangan R, Nzabi M, Selvaraju SB, Ketter P, Carpenter C, Harrison CJ| title=Human parechovirus 3 causing sepsis-like illness in children from midwestern United States. | journal=Pediatr Infect Dis J | year= 2011 | volume= 30 | issue= 3 | pages= 238-42 | pmid=20948454 | doi=10.1097/INF.0b013e3181fbefc8 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=20948454  }} </ref>
* Sensitivity to bright light
**[[Infection]] of the central nervous by parechoviruses causes meningitis and encephalitis.
* Sleepiness or trouble waking up
**In severe cases, parechoviruses may lead to neonatal sepsis as well as paralysis.
* [[Nausea]], [[vomiting]]
**There is no specific neuronal symptoms for the parechoviruses. Irritability and fever are common symptoms for the parechoviral meningitis.
* Lack of appetite
 
*Lymphocytic choriomeningitis virus:<ref name="pmid11051293">{{cite journal| author=Rotbart HA| title=Viral meningitis. | journal=Semin Neurol | year= 2000 | volume= 20 | issue= 3 | pages= 277-92 | pmid=11051293 | doi=10.1055/s-2000-9427 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=11051293  }} </ref>
**Patients infected with [[Lymphocytic choriomeningitis virus|lymphocytic choriomeningitis]] virus usually develop [[encephalitis]], but there is a small chance to develop viral meningitis.
**A little percentage of the patients with lymphocytic choriomeningitis viral meningitis who present with neuronal symptoms and may be asymptomatic.
 
==Reference==
{{Reflist|2}}
 
[[Category:Emergency mdicine]]
[[Category:Disease]]
[[Category:Up-To-Date]]
[[Category:Infectious disease]]
[[Category:Neurology]]

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Ahmed Elsaiey, MBBCH [2]

Overview

Viral meningitis symptoms are varied, depending on the causative organism. The symptoms of viral meningitis usually last from 7 to 10 days, and people with normal immune systems usually recover completely. A rash may be present, which could suggest a particular virus - for example, varicella zoster. However, a non-blanching purpuric rash is not associated with meningitis and suggests systemic bacterial infection. The more common symptoms of meningitis are fever, severe headache, stiff neck, bright lights hurting the eyes, drowsiness or confusion, and nausea and vomiting. In babies, the symptoms are more difficult to identify. They may include fever, irritability, difficulty in awakening the baby, or the baby refuses to eat. The symptoms of meningitis may not be the same for every person.

History and symptoms

The more common symptoms of meningitis are fever, severe headache, stiff neck, bright lights hurting the eyes, drowsiness or confusion, and nausea and vomiting. In babies, the symptoms are more difficult to identify. They may include fever, irritability, difficulty in awakening the baby, or the baby refuses to eat. The symptoms of meningitis may not be the same for every person.

Common symptoms

Common Symptoms in Infants

Common Symptoms in Adults

Pathogen specific symptoms

  • Herpes viruses:
    • Viral meningitis caused by the herpes viruses has the general symptoms of the disease but it can only be presented with just fever.
    • Skin rash can be seen in case of infection with varicella zoster virus.
    • Genitourinary lesions like the ulcers may be noticed in case of herpes simplex type 2 infection.
  • Arboviruses:
    • They mostly cause encephalitis which has similar symptoms to the viral meningitis.
  • Parechoviruses:[3]
    • Infection of the central nervous by parechoviruses causes meningitis and encephalitis.
    • In severe cases, parechoviruses may lead to neonatal sepsis as well as paralysis.
    • There is no specific neuronal symptoms for the parechoviruses. Irritability and fever are common symptoms for the parechoviral meningitis.
  • Lymphocytic choriomeningitis virus:[4]
    • Patients infected with lymphocytic choriomeningitis virus usually develop encephalitis, but there is a small chance to develop viral meningitis.
    • A little percentage of the patients with lymphocytic choriomeningitis viral meningitis who present with neuronal symptoms and may be asymptomatic.

Reference

  1. ↑ Wilfert CM, Lehrman SN, Katz SL (1983). "Enteroviruses and meningitis". Pediatr Infect Dis. 2 (4): 333–41. PMID 6310537.
  2. ↑ Chang LY, Huang LM, Gau SS, Wu YY, Hsia SH, Fan TY; et al. (2007). "Neurodevelopment and cognition in children after enterovirus 71 infection". N Engl J Med. 356 (12): 1226–34. doi:10.1056/NEJMoa065954. PMID 17377160.
  3. ↑ Selvarangan R, Nzabi M, Selvaraju SB, Ketter P, Carpenter C, Harrison CJ (2011). "Human parechovirus 3 causing sepsis-like illness in children from midwestern United States". Pediatr Infect Dis J. 30 (3): 238–42. doi:10.1097/INF.0b013e3181fbefc8. PMID 20948454.
  4. ↑ Rotbart HA (2000). "Viral meningitis". Semin Neurol. 20 (3): 277–92. doi:10.1055/s-2000-9427. PMID 11051293.
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