Z-Paks can cause fatal irregular heart rhythm

4:01 PM, Mar 19, 2013   |    comments
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ST. LOUIS (KSDK) - If you've ever called the doctor after suffering a sore throat or sinus infection, chance are you've been prescribed an antibiotic.

Now there's a new warning about one of the world's best-selling antibiotics because it can cause a fatal irregular heart rhythm in some people.

The antibiotic is known as a Z-Pak, but its real name is azithromycin. Dr. Richard Lee, Chief of Cardiac Surgery at Saint Louis University Hospital joined First @ 4 to talk about the warning.

Click the video player above to learn more about Z-Paks.


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