The U.S. Food and Drug Administration has issued a warning that the antibiotic azithromycin, sold as Zithromax or “Z-Pack”, may cause a potentially fatal irregular heart rhythm in some patients, Reuters reports.
According to the report, the FDA has said that Zithromax can cause abnormal changes in the electrical activity of the heart. And that, in turn, can lead to a potentially fatal heart rhythm called a prolonged QT interval, in ...
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