Encephalitis is an inflammation of the brain, often caused by a viral infection. Symptoms can include fever, headache, confusion, and seizures. In severe cases, it can lead to serious complications, including memory problems or even death. Early diagnosis and treatment are crucial for better outcomes. The most common causes of encephalitis include viruses like herpes simplex and West Nile virus. Vaccines are available for some viruses that can lead to encephalitis, such as measles and mumps. If you suspect someone has encephalitis, it’s important to seek medical help immediately to ensure proper care and management.