FDA Issues Heart Warning about Popular Antibiotic

The Food and Drug Administration issued a warning about a popular antibiotic called Azithromycin, sold as Zithromax and Z-Pak. It may abnormally change the heart’s electrical activity, possibly leading to a fatal irregular heart rhythm.

People at risk: those who suffer form low levels of magnesium, potassium, and slower than normal heart rates. Get the facts.

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FDA issues heart warning for popular antibiotic