Pyridium

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 not known.

The pharmacokinetic properties of Phenazopyridine Hydrochloride have not been determined. Phenazopyridine is rapidly excreted by the kidneys, with as much as 65% of an oral dosage being excreted unchanged in urine.

Last reviewed on RxList: 8/22/2007
This monograph has been modified to include the generic and brand name in many instances.

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