MGA 500 (MELENGESTROL ACETATE) LIQUID [ZOETIS INC.] Home MGA 500 (MELENGESTROL ACETATE) LIQUID [ZOETIS INC.] MGA 500 (MELENGESTROL ACETATE) LIQUID [ZOETIS INC.] PDF | XML NDC 54771-1547-1 Set ID 6657cc95-3107-4846-b0a6-587804cff7a0 Generic Name Product Class Product Number Application Number NADA039402 Related Drugs Search DailyMed Drugs