Interferon alfa-2b is made from human proteins. Interferons help the body fight viral infections.
Interferon alfa-2b is used to treat hairy cell leukemia, malignant melanoma, follicular lymphoma,
Kaposi's sarcoma caused by AIDS, and certain types of genital warts.
Interferon alfa-2b is also used to treat chronic hepatitis B or C.
Interferon alfa-2b is often used in combination with another drug called ribavirin (Rebetol).
Some of the information in this medication guide applies to the use of both drugs in this combination.
Interferon alfa-2b may also be used for other purposes not listed in this medication guide.