Healthcare PharmaceuticalsPfizer's macrolide antibiotic (azithromycin), originally discovered by Pliva in 1980 and licensed to Pfizer, FDA approved in June 1991, widely known as the Z-Pack for its 5-day oral course, with generic azithromycin available since 2005 following patent expiration and a 2013 FDA safety warning regarding QT prolongation risk.
antibioticazithromycinmacrolide