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Aseptic MeningitisAka: Viral Meningitis

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  1. See Also
    1. Bacterial Meningitis
  2. Epidemiology
    1. Age: under 30 years (90%)
    2. Peaks in late summer
  3. Etiology
    1. Coxsackie virus
    2. Echovirus
  4. Symptoms
    1. Flu-like Prodrome
    2. Intense Onset of symptoms
      1. Headache
      2. Malaise
      3. Nausea
      4. Vomiting
      5. Photophobia
      6. Stupor (rarely)
      7. Neck stiffness
  5. Signs
    1. Fever (maximum 38-40 degrees Celsius)
    2. Meningeal Irritation
      1. Nuchal Rigidity
      2. Spinal Rigidity
      3. Kernig's Sign
      4. Brudzinski's Sign
    3. Rash (Coxsackie or Echovirus)
    4. Herpangina (Coxsackie Virus)
      1. Painful Vesicles at posterior third of oropharynx
  6. Labs: Cerebrospinal Fluid (CSF)
    1. CSF White Blood Cells: 10-100 (75% Lymphs)
    2. CSF Protein Normal
    3. CSF Glucose Normal
      1. May be reduced in Mumps and HSV
    4. CSF Culture Negative
  7. Course
    1. Fever resolves in 3-5 days
    2. CSF Leukocytes increased for weeks
  8. Management
    1. Symptomatic Therapy

Aseptic Meningitis (C0025290)

Definition (MSH)A syndrome characterized by headache, neck stiffness, low grade fever, and CSF lymphocytic pleocytosis in the absence of an acute bacterial pathogen. Viral meningitis is the most frequent cause although MYCOPLASMA INFECTIONS; RICKETTSIA INFECTIONS; diagnostic or therapeutic procedures; NEOPLASTIC PROCESSES; septic perimeningeal foci; and other conditions may result in this syndrome. (From Adams et al., Principles of Neurology, 6th ed, p745)
ConceptsDisease or Syndrome (T047)
EnglishAcute aseptic meningitis, Aseptic Meningitis
Spanishmeningitis aséptica, meningitis aseptica
CreditsDerived from the NIH UMLS (Unified Medical Language System)



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