The symptoms of infection can include high temperature (fever), headache, feeling and being sick, diarrhea and muscle pain, Confusion, agitation or hallucinations, seizures, loss of sensation or paralysis in certain areas of the face or body, muscle weakness, double vision, perception of foul smells, such as burned meat or rotten eggs, problems with speech or hearing and loss of consciousness.

Tests to diagnose: 

Tests my include Brain MRI, CT scan of the head, Culture of cerebrospinal fluid (CSF), blood, or urine (however, this test is rarely useful), Electroencephalogram (EEG), Lumbar puncture and CSF examination,  Tests that detect antibodies to a virus (serology tests) and Test that detects tiny amounts of virus DNA (polymerase chain reaction -- PCR).


The treatment includes antiviral medications, such as acyclovir (Zovirax) and foscarnet (Foscavir)  to treat herpes encephalitis or other severe viral infections , anti-seizure medications (such as phenytoin) to prevent seizures, sedatives to treat irritability or restlessness and acetaminophen -- for fever and headache.


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