rifampicin

Uses: MRCEM pathology/Microbiology/Tuberculosis, Infective endocarditis, leprosy, prophylaxis for meningococcal meningitis
Mechanism of action Inhibits bacterial RNA polymerase
Dose 600mg OD
Pharmacokinetics Absorption PO
Distribution
Metabolism
Elimination bile - deacetylation during enterohepatic circulation. Active metabolite.
Time course of action
Adverse effects Orange tint to bodily secretions (sweat, tears)
GI upset
P450 inducer = ↓ action of warfarin, etc.