A derivative of rifamycin that inhibits bacterial transcription without affecting eukaryotic transcription.

a drug used to prevent TB disease in people who have TB infection. Rifampicin is also one of the five drugs used to treat TB disease.

Rifampicin (INN) (IPA: ) or rifampin (USAN) is a bactericidal antibiotic drug of the rifamycin group. It is a semisynthetic compound derived from Streptomyces mediterranei. Rifampicin may be abbreviated RIF, RMP, RD or R.