FDA: Antibiotic may cause fatal heart rhythms

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FDA: Antibiotic may cause fatal heart rhythms

FDA: Antibiotic may cause fatal heart rhythms
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FDA: Antibiotic may cause fatal heart rhythms

WCVB - Boston 1:29 mins

A popular antibiotic used to treat bacterial infections can cause abnormal -- and possibly fatal -- heart rhythms in some patients, according to a new warning from the Food and Drug Administration.

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