Symptoms of Encephalitis

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Early signs of encephalitis can develop in a few hours or over a few of days and can first appear as flu-like or virus type symptoms.

Encephalitis can affect almost any brain function but the most common symptoms are:

severe headache,
fever, nausea,
vomiting,
drowsiness or confusion,
sensitive to bright lights,
memory loss,
unable to speak,
unable to control movement properly,
weakness of one or more parts of the body,
behaviour that is out of character, a change to any of the senses e.g. touch,
taste,
smell,
sight,
hearing, s
tiff neck and back,
muscle weakness,
seizures (fits),
or sleepiness that can lead to a coma.

Even when the condition has caused critical illness, many people may make a full recovery but in some cases people may be left with problems as a result of the injury to the brain. In some cases encephalitis may progress and become fatal.