Antibiotic sells under the name Zmax or Zithromax . Study found thousands times higher risk of death in last May of using the drug . the New England Journal of Medicine says majority of patients treated with the drug are not affected .
Antibiotic sells under the name Zithromax or Zmax . Study found 2.5 times higher risk of death in the first five days of using the drug . Pfizer says majority of patients treated with the drug are not affected .