If you know the spelling, use the search function above to look up the meaning of the medical term in MedTerms and find related medical articles on MedicineNet.com. If you're not sure of the spelling (medical misspellings are common), type the first few letters, followed by an asterisk(*).
Encephalitis: Inflammation of the brain, which may be caused by a bacterium, a virus, or an allergic reaction. Some forms of viral encephalitis are...
Full medical definition for Encephalitis »
Related Article: Encephalitis and Meningitis main article »
Health News of the Week
New & Updated
A Note to Healthcare Professionals: The MedTerms online medical dictionary is written with consumers and patients in mind. Here are other medical reference books recommended by our doctors: