Hepatitis B

Hepatitis B is inflammation (irritation and swelling) of the liver due to the hepatitis B virus (HBV).

Other types of hepatitis include:
* Hepatitis A
* Hepatitis C
* Hepatitis D

See also:
* Autoimmune hepatitis
* Chronic persistent hepatitis
* Drug-induced hepatitis

Symptoms
It takes about 1-6 months from the time of infection until symptoms of acute hepatitis appear. Early symptoms may include:
* Appetite loss
* Fatigue
* Low-grade fever
* Muscle and joint aches
* Nausea and vomiting
* Yellow skin and dark urine due to jaundice

相关连结
1. Google Health
2. Welcome to Knol (a unit of knowledge)
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