Recently, the United States Food and Drug Administration has required that the warning label for the popular antibiotic drug Zithromax be updated to include information regarding the drug’s likelihood to cause cardiovascular death.  Some studies have shown that the drug raises the risk for cardiovascular death by a factor of 2.5, compared with other antibiotic drugs, such as amoxicillin.  Read the full report concerning Zithromax and heart failure by following the link above.