Hepatitis simply means inflammation of the liver. The liver is an important organ that processes nutrients, filters the blood and fight infections. when the liver is inflamed or damaged, its function can be affected.

Heavy alcohol use, toxins, some medications, and certain medical conditions can cause hepatitis. However, hepatitis is most often caused by a virus. The most common types of viral hepatitis are Hepatitis A, Hepatitis B, and Hepatitis C.

Hepatitis B can be a serious liver disease that results from the infection with the Hepatitis B virus. Acute Hepatitis B refers to a short term infection that occurs within the first 6 months after someone infected with the virus. Chronic Hepatitis B refers to a lifelong infection with the Hepatitis B virus. The likelihood that a person develops a chronic infection depends on the age at which someone becomes infected.

Source: CDC