Phenazopyridine Hydrochloride (Phenylazodiaminopyridine Hydrochloride)(fen az oh peer’ i deen)
Azo-Standard, Baridium, Phenazo (CAN), Prodium, Pyridium, Pyridium Plus, Urinary Pain Relief
PREGNANCY CATEGORY B
Drug Class
Urinary analgesic
Therapeutic Actions
An azo dye that is excreted in the urine and exerts a direct topical analgesic effect on urinary tract mucosa; exact mechanism of action is not understood.
Indications
Symptomatic relief of pain, urgency, burning, frequency, and discomfort related to irritation of the lower urinary tract mucosa caused by infection, trauma, surgery, endoscopic procedures, passage of sounds or catheters
Contraindications and Cautions
Contraindicated with allergy to phenazopyridine, renal insufficiency, hepatic impairment.
Use cautiously with pregnancy, lactation.
Available Forms
Tablets—95, 97.2, 97.5, 100, 200 mg
Dosages
Adults
100–200 mg PO tid after meals. Do not exceed 2 days if used with antibacterial agent.
Pediatric patients 6–12 yr
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