Popular antibiotic Zithromax, commonly administered as a Z-pack, may cause potentially fatal heart problems according to a new FDA warning.
TheFDA says that Zithromax, commonly used to treat many bacterial infections, can cause electrical changes in the heart which can lead to a potentially fatal heart rhythm.
The drug is manufactured in tablet and liquid form and is prescribed as one of the faster ways to cure infections and the common cold.
The new strengthened label advises that at-risk patients do not use the medication.
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