What is hepatitis?

Q: Dear Dr. Mao,
Can you explain what hepatitis is and how one gets it?

A: Hepatitis is an infection of the liver caused by one of several viruses, the most common of which are named hepatitis A, B, and C. Hepatitis A is spread mainly through contaminated food and water, whereas hepatitis B is transmitted by sexual contact and use of contaminated needles. The route of transmission of hepatitis C is not completely clear but is believed to be similar to that of hepatitis B.

When you first develop hepatitis, it is called acute hepatitis. Hepatitis can also become a long-term disease known as chronic hepatitis. All forms of hepatitis cause jaundice, liver tenderness, and severe fatigue. Hepatitis A is the mildest form and seldom causes symptoms continuing longer than a couple of months. Hepatitis B and C produce more severe symptoms, last two or three times longer, and can go on to become chronic.

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This entry was posted in Liver Diseases, Q&A.