Hepatitis B is a type of virus that causes an inflammation of the liver. It is spread by contact with an infected person's blood, semen, or other bodily fluid.
Symptoms may not show for 40 to 160 days after exposure to the virus and can include:
If you have been exposed to hepatitis B, your doctor will give you a vaccine and shot of hepatitis B immune globulin. This usually helps fight off the infection.
If an infection does not go away, the patient is considered to have chronic active hepatitis B. Medications are prescribed to prevent liver damage and suppress the virus. They may need to be taken for many years.