Is it true that fatal heart-related side-effects have been associated with using Zithromax?

By: Ani Barsamian, JD

Yes.  On March 12, 2013, the FDA issued a safety communication stating that healthy patients who use Zithromax faced a 1 in 111,000 risk of experiencing a cardiac-related side effect, but patients with known heart problems faced a 1 in 4,100 risk of suffering a heart-related problem.