Question: is azo the same thing as pyridium?
Answer: Phenazopyridine is a dye that works as a painkiller to soothe the lining of the urinary tract. Phenazopyridine is available under the following different brand names: Azo Standard, Pyridium, Prodium, Pyridiate, Baridium, Uricalm, Urodine, and UTI Relief.