Hepatitis B fever can be taken to reduce fever. Hepatitis B is a disease caused by infection with the hepatitis B virus, which may cause liver damage and abnormal liver function. If hepatitis B patients have fever, they should cooperate with professional doctors to carry out blood tests to clarify whether the fever is caused by viral cold. If the fever is more than 38.5 degrees, fever-reducing medicines that do not cause liver damage, such as ibuprofen and acetaminophen, should be taken under the guidance of a doctor. Hepatitis B patients are advised to drink more plain water during fever, which can speed up the metabolism and promote the elimination of toxins from the body. At the same time, you should eat a light diet, do not eat spicy and stimulating, not well-digested food.