phenazopyridine hydrochloride /fen′əzōpī″ridēn/ , a urinary tract analgesic. ▪ INDICATIONS: It is prescribed to reduce the pain of cystitis or other urinary tract infections or to relieve the pain following clinical procedures of the urinary tract. ▪ CONTRAINDICATIONS: Renal or hepatic insufficiency or known hypersensitivity to this drug prohibits its use. ▪ ADVERSE EFFECTS: Among the more serious adverse effects are headache and GI disturbances.