The study will compare the relative bioavailability (rate and extent of absorption) of 200 mg/5 mL Azithromycin oral suspension manufactured by TEVA Pharmaceutical Industries Ltd.; distributed by TEVA Pharmaceuticals USA with that of 200 mg/5 mL ZITHROMAX oral suspension distributed by Pfizer labs, a division of Pfizer Inc. following a single oral 10 mL dose (400 mg) in healthy adult subjects administered under non-fasting conditions.