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HomePharmacologyNitrofurantoin

Nitrofurantoin

Urinary Antiseptic
Drug Class
Urinary Antiseptic
Mechanism of Action (MOA)
Reduced to reactive intermediates that damage bacterial DNA, ribosomes, and metabolic enzymes.
Clinical Notes
First-line for uncomplicated cystitis. Concentrates in urine only — not for pyelonephritis; avoid if CrCl <30. Pulmonary fibrosis with chronic use.
Source
FDA label
All pharmacology