megestrol acetate for old cats
Uses of Megestrol Acetate for Dogs and Cats. 1  Megestrol acetate is used in dogs and in cats to control heat cycles (estrus) and in bitches to treat false pregnancy. 2  Extra-label uses of megestrol acetate include treatment of certain behavioral and skin problems in cats. Megestrol acetate belongs to a class of drugs known as progestins. 2  Megestrol Acetate, also known as OvabanÂ® and MegaceÂ®, is used in dogs and in cats to control heat cycles. 3  Megestrol has also been used to treat behavior and skin conditions in cats.