clinical features

Last reviewed 01/2018

Encephalitis presents in a similar manner to an abscess:

  • a short history of:
    • headache
    • pyrexia
    • confusion
    • vomiting
  • an important negative is the absence of neck stiffness
  • developing into:
    • epilepsy
    • focal neurological signs
    • cognitive impairment

Clues to the origin of the encephalitis may be ascertained from the presentation:

  • chickenpox encephalitis often has cerebellar involvement
  • Herpes simplex encephalitis often presents with a fit and the most often involves the temporal lobe