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Phenazopyridine, Pyridium


Phenazopyridine is a chemical which, when secreted into the urine, has a specifcl local analgesic effect.

Phenazopyridine is often used to alleviate the pain, irritation, discomfort, or urgency caused by urinary tract infections, surgery, or injury to the urinary tract.


urinary analgesic


pain of UTI
symptomatic relief of pain, burning, urgency, frequency, and other discomforts from irritation of the lower urinary tract mucosa. Phenazopyridine is an azo dye that is excreted in the urine, and its mechanism of action is not known. Treatment should not exceed 2 days when given concomitantly with an antibacterial agent for treating UTI. Best if taken after meals.

Side Effects

Red-orange urine.
Headache, rash, pruritus, anaphylactoid-like reactions, methemoglobinemia, hemolytic anemia, renal toxicity, hepatic toxicity, skin and sclera discoloration (yellow).

Drug-Vitamin-Herb Interactions




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