Phenazopyridine

Azo-Dine; Azo-Gesic; Azo-Natural; Azo-Standard; Baridium; Cemco Brand of Phenazopyridine Hydrochloride; Consumer Choice Brand of Phenazopyridine Hydrochloride; Edwards Brand of Phenazopyridine Hydrochloride; Geridium
A local anesthetic that has been used in urinary tract disorders. Its use is limited by problems with toxicity (primarily blood disorders) and potential carcinogenicity.