Zithromax linked to irregular heartbeat, FDA warns
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CHICAGO (FOX 32 News) -
The FDA is warning the public about Zithromax, one of the most commonly-prescribed antibiotics.
The FDA says azithromycin, which is often referred to as z-pack, has been linked to a potentially fatal irregular heartbeat.
The drug can change the heart's electrical activity and lead to a condition called a "prolonged QT interval," which means the heart's timing gets thrown off.
The FDA says doctors should be careful prescribing azithromycin for patients who are at risk for heart problems.
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