Rifampin

Category: pharmacological

Aliases: Rifampicin, Rifadin

Pharmacological Mechanism

Bactericidal — binds bacterial RNA polymerase β-subunit. Most potent CYP3A4 inducer in clinical use (also CYP2C9, CYP2C19, CYP2B6, UGT, P-gp via PXR activation). Dramatically lowers warfarin, OCs, methadone, statins, transplant immunosuppressants, anti-HIV agents.

Half-Life (t½)

PO: 3.57h, IV: 3.57h

Dosing Guidelines

Target Organ Systems

Interactions