Rifampin

Anti-Tuberculous Agent (Rifamycin)
Drug Class
Anti-Tuberculous Agent (Rifamycin)
Mechanism of Action (MOA)
Inhibits bacterial DNA-dependent RNA polymerase.
Clinical Notes
TB (always combination) and meningococcal prophylaxis. Potent CYP450 inducer (↓ OCPs/warfarin); harmless orange-red discoloration of secretions.
Source
FDA label

Sources

Reviewed September 2026
  1. FDA label — FDA / DailyMed

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Used for

Same family

Tuberculosis drugs (RIPE) · 4 drugs

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