The display and use of drug information on this site is subject to express terms of use. By continuing to view the drug information, you agree to abide by such terms of use. GENERIC NAME: RIFAMPIN - ORAL (rif-AM-pin) BRAND NAME(S): Rifadin, Rimactane. USES: This medication is a rifamycin antibiotic used to prevent and treat tuberculosis and other infections.This antibiotic treats only bacterial infections. It will not work for viral infections (e.g., common cold, flu).