Doctors sound alarm as over-the-counter drug is linked to CANCER

A common medication taken by more than 100 million worldwide for has been linked to .

Phenazopyridine — sold under various brand names including Azo, Pyridium, Prodium, Pyridiate, Baridium, and Uricalm — is available over the counter (OTC) in the US at lower strengths and by prescription at higher strengths.

It works by numbing the lining of the urinary tract, which helps to lessen the symptoms of urinary tract infections (UTIs), which include burning, irritation, and discomfort, as well as

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