What is Megestrol acetate primarily used for?

Megestrol acetate is primarily used as an appetite stimulant to manage anorexia or cachexia, often in patients with advanced cancer or AIDS. It also treats certain hormone-sensitive cancers like advanced breast and endometrial cancer.

How does Megestrol help increase appetite?

While the exact mechanism isn't fully understood, Megestrol is believed to act on steroid receptors to stimulate appetite and promote weight gain, particularly in patients experiencing significant weight loss due to illness.

What are common side effects of Megestrol?

Common side effects can include weight gain (due to increased appetite), fluid retention, nausea, insomnia, and an increased risk of blood clots.

Is Megestrol considered a chemotherapy drug?

No, Megestrol acetate is a hormone therapy drug, not traditional chemotherapy. It works by altering hormone levels or blocking hormone receptors, especially in hormone-sensitive cancers, rather than directly killing fast-growing cells.