Pyrazinamide

Category: pharmacological

Aliases: PZA

Pharmacological Mechanism

Anti-TB prodrug activated by mycobacterial pyrazinamidase to pyrazinoic acid → disrupts membrane energetics in acidic phagosomes. Sterilizing component allowing the standard TB regimen to shorten from 9 to 6 months. Hepatotoxicity + hyperuricemia (gout flares).

Half-Life (t½)

PO: 10h

Dosing Guidelines

Target Organ Systems