NDAORALTABLET
Approved
Aug 1990
Lifecycle
LOE Approaching
Competitive Pressure
30/100
Mechanism of Action
CLINICAL PHARMACOLOGY Phenazopyridine hydrochloride is excreted in the urine where it exerts a topical analgesic effect on the mucosa of the urinary tract. This action helps to relieve pain, burning, urgency and frequency. The precise mechanism of action is unknown. PHARMACOKINETICS The…