Conditions list medically reviewed by George Krucik, MD, MBA
Encephalitis is inflammation of the brain tissue. It's most often caused by viral infections. In some cases, bacterial infections can also cause encephalitis.
Concussions can cause serious symptoms that require medical treatment. A concussion is a traumatic brain injury that results in an altered mental state.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.