The average Phenazopyridine cash price is about $34.45 for a supply of: Tablet 100 MG 30 pcs. Get our free Phenazopyridine coupon and be eligible to receive a discount. You can reduce your Phenazopyridine cost by up to 75% with our free Phenazopyridine discount card. Bring it to a participating pharmacy near you to save on your prescription medication.Phenazopyridine is a pain reliever that affects the lower part of your urinary tract (bladder and urethra). Phenazopyridine is used to treat urinary symptoms such as pain or burning, increased urination, and increased urge to urinate. These symptoms can be caused by infection, injury, surgery, catheter, or other conditions that irritate the bladder. Phenazopyridine will treat urinary symptoms, but this medication will not treat a urinary tract infection.. Take any antibiotic that your doctor prescribes to treat an infection. Phenazopyridine may also be used for purposes not listed in this medication guide.