Hepatitis B

Hepatitis B is a viral infection of the liver. The liver becomes inflamed and tender. It may also become swollen. Areas of liver tissue may be destroyed by the inflammation. Hepatitis B is a serious, sometimes severe and even fatal type of hepatitis. In addition to being a sexually transmitted disease (STD), Hepatitis B is a blood-borne pathogen and exposure to the blood of an infected person may result in infection.