Alpha Interferon Home>Pharmacy>Drugs_and_Medications>A>Alpha Interferon     Web Pages Interferon alfa-2a, Recombinant Information from the RxList. Intron A - Shering Official Pharmaceutical website for this medication used in the treatment of malignant melanoma, hepatitis C, hepatitis B, non-Hodgkin's lymphoma, hairy cell leukemia, condylomata acuminata, and AIDS-related Kaposi's sarcoma.