What causes encephalitis?

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A viral infection in the brain is the most common cause of encephalitis. Sometimes the viral infection starts in another part of the body and then spreads to the brain. Measles and the herpes virus are two common viral infections have been known to cause encephalitis. Encephalitis may also be brought on by a bacterial infection, although this is less common. Lyme disease is one example of a bacterial infection that has been linked to encephalitis.

Continue Learning about Viral Infections

Viral Infections

Viral Infections

Viral infections like herpes simplex, respiratory syncytial virus (RSV), chicken pox and rotavirus are infections caused by a virus instead of a bacterium. Viral infections do not respond to antibiotics, but some specific viruses ...

like influenza A and B can be treated with certain antiviral medications. Most commonly, treatment for viral infections includes drinking lots of fluids, getting rest, eating well and letting the illness run its course.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.