Megestrol Home>Pharmacy>Drugs_and_Medications>M>Megestrol     Web Pages Megace a.k.a. Megestrol. Megestrol Acetate An appetite stimulant used to treat HIV wasting.(Megace) DrugDigest: Megestrol ( Megace ) Information on dosage, usage, side effects, interactions, and drug comparisons, including generics when available. Megace Full prescribing information from RxList.