The FDA adds new warning to the Z-Pak.

FDA Adds Warning Label On Popular Antibiotic Zithromax Regarding Heart Risks

Plenty of us either know someone or are that person who runs to the doctor to get a prescription for the antibiotic Zithromax (azithromycin) to combat anything from bronchitis to pneumonia. The Z-Pak is a common choice for the ill, as it is taken for fewer days than other meds. But the Food and Drug Administration says it’s adding a new warning label to Zithromax due to a risk for rare but deadly heart rhythms in some patients. [More]