Megestrol is a progestin of the 17α-hydroxyprogesterone group which was never marketed and is not currently used clinically. Its acylated derivative megestrol acetate is also a progestogen, which, in contrast to megestrol itself, has been extensively used as a pharmaceutical drug.

What is Megace used for?

This medication is used to treat cancer of the breast or uterus. Megestrol is similar to a natural substance made by your body called progesterone.

What kind of drug is Megace?

In some cases, health care professionals may use the trade name Megace or other name Megestrol Acetate when referring to the generic drug name Megestrol. Drug type: Megace is a hormone therapy. This medication is classified as a "progesterone." (For more detail, see "How this drug works" section below).