But medical information is always changing, and some information given here may be out of date. For regularly updated information on a variety of health topics, please visit familydoctor.org , the AAFP patient education Web site. Hepatitis is an inflammation of the liver.
Inflammation causes soreness and swelling.
Hepatitis can be caused by many things. Drinking too much alcohol, abusing drugs and taking some medicines can cause hepatitis. Many viruses can cause hepatitis, too. There are two main kinds of hepatitis, acute hepatitis and chronic hepatitis. When a person has hepatitis, the liver may become inflamed very suddenly.