Interferon alfa-2b injection is used to treat a number of conditions. Interferon alfa-2b injection is used alone or in combination with ribavirin (Copegus, Rebetol, Ribasphere) to treat chronic (long-term) hepatitis C infection (swelling of the liver caused by a virus) in people who show signs of liver damage, to treat chronic hepatitis B infection (swelling of the liver caused by a virus) in people who show signs of liver damage, to treat hairy cell leukemia (a white blood cell cancer), to treat genital warts, to treat Kaposi's sarcoma (a type of cancer that causes abnormal tissue to grow on different parts of the body) related to acquired immunodeficiency syndrome (AIDS), to treat malignant melanoma (a cancer that begins in certain skin cells) in certain people who have had surgery to remove the cancer, along with another medication to treat follicular non-Hodgkin's lymphoma (NHL; a slow-growing blood cancer). Interferon alfa-2b is in a class of medications called immunomodulators. Interferon alfa-2b works to treat hepatitis C virus (HCV) and hepatitis B virus (HBV) by decreasing the amount virus in the body. Interferon alfa-2b may not cure hepatitis B or hepatitis C or prevent you from developing complications from these infections such as cirrhosis (scarring) of the liver, liver failure, or liver cancer. It also may not prevent the spread of hepatitis B or C to other people. It is not known exactly how interferon alfa-2b works to treat cancer or genital warts.

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Last Updated: 11/30/2022
MedLinePlus Full Drug Details: Interferon Alfa-2b Injection