Encephalitis refers to inflammation and swelling of the brain. Usually, it's a complication of a viral or bacterial infection. Symptoms of encephalitis can vary depending on how severe it is. Untreated, severe encephalitis can cause lasting brain damage. In general, early treatment can control the inflammation and reduce the damage.
References
MedlinePlus. (2016). Encephalitis.
National Institute of Neurological Disorders and Stroke. (2023). Encephalitis.
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Written by:
Lauren Smith, MALauren Smith, MA, has worked in health journalism since 2017. Before joining GoodRx, she was the senior health editor and writer for HealthiNation.

Reviewed by:
Karen Hovav, MD, FAAPKaren Hovav, MD, FAAP, has more than 15 years of experience as an attending pediatrician. She has worked in a large academic center in an urban city, a small community hospital, a private practice, and an urgent care clinic.
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