Antibiotic sells under the name Zithromax or Zmax . Drug labels for azithromycin have been updated to include warnings about this risk , the FDA said . It is a broad-spectrum antibiotic that can be used to treat many different types of infections, including bacterial and viral infections. Pfizer says majority of patients treated with the drug are not affected .
Antibiotic sells under the name Zithromax or Zmax . It is a broad-spectrum antibiotic that can be used to treat many different types of infections, including bacterial and viral infections. Pfizer says majority of patients treated with the drug are not affected .