Encephalitis: Symptom and Causes


  • High temperature (fever) of 38 C (100.4 F) or above
  • Headache
  • Nausea and vomiting
  • Joint pain
  • Changes in mental state, such as confusion, drowsiness or disorientation
  • Seizures (fits)
  • Changes in personality and behaviour
  • Loss of consciousness
  • Sensitivity to bright lights (photophobia)
  • Inability to speak
  • Inability to control physical movements
  • Stiff neck
  • Hallucinations(seeing and hearing things that are not actually there)
  • Loss of sensation in certain parts of the body
  • Partial or total vision loss
  • Involuntary eye movements, such as moving the eyes from side to side


Encephalitis is usually the result of an infection. In many cases this is caused by a virus rarely by bacteria and fungi. 
It is spread
  • When an infected person coughs or sneezes.
  • By infected insects and animals.
  • By contaminated food or drink.

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