Pre-exposure prophylaxis (or PrEP) is a way for people who do not have HIV but who are at very high risk of getting HIV to prevent HIV infection by taking a pill every day.
Infections and other disorders affecting the brain and spinal cord can activate the immune system, which leads to inflammation. These diseases, and the resulting inflammation, can produce a wide range of symptoms, including fever, headache, seizures, and changes in behavior or confusion