Hepatitis B

Definition of Hepatitis B

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

Causes, incidence, and risk factors

Hepatitis B infection can be spread through having contact with the blood, semen, vaginal fluids, and other body fluids of someone who already has a hepatitis B infection.

Symptoms

After you first become infected with the hepatitis B virus:

Signs and tests

The following tests are done to identify and monitor liver damage from hepatitis B:

Treatment

Acute hepatitis needs no treatment other than careful monitoring of liver and other body functions with blood tests. You should get plenty of bed rest, drink plenty of fluids, and eat healthy foods.

Expectations (prognosis)

The acute illness usually goes away after 2 – 3 weeks. The liver usually returns to normal within 4 – 6 months in almost all patients who are infected.

Review

David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; and George F. Longstreth, MD, Department of Gastroenterology, Kaiser Permanente Medical Care Program, San Diego, CA. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc. – 11/23/2010

Hepatitis B virus
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Aggressive hepatitis
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Hepatitis B

ADAM Medical Encyclopedia

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