The Food and Drug Administration has issued an important warning about one of the most popular antibiotics.
Azithromycin – known by the brand names Zithromax and Z-Pak – could cause fatal heart problems.
More than 40 million prescriptions a year are written for azithromycin, for everything from bronchitis to urinary tract and skin infections. But like all drugs, azithromycin has its side effects.
The FDA said one rare side effect could be lethal. It could cause an irregular