泌尿系统疾病的局部镇痛药;Local analgesic used in urinary tract disorders;Phenazopyridine HCl是一种局部镇痛剂,已被用于治疗泌尿系统疾病。;Phenazopyridine HCl is a local analgesic that has been used in urinary tract disorders.A compound which can be used as an analgesic for the urinary tract.