What I Need To Know About Hepatitis B

hepatitus virus- 3d pictureHepatitis (HEP-ah-TY-tis) makes your liver swell and stops it from working right. You need a healthy liver. The liver does many things to keep you alive. The liver fights infections and stops bleeding. It removes drugs and other poisons from your blood. The liver also stores energy for when you need it.

What causes hepatitis B?

Hepatitis B is caused by a virus.

A virus is a germ that causes sickness. (For example, the flu is caused by a
virus.) People can pass viruses to each other. The virus that causes hepatitis B
is called the hepatitis B virus.