Megestrol Acetate Tablet has palliative effect on endometrial cancer and advanced breast cancer, and the common drug side effects include weight gain, constipation, nausea, vomiting, high blood pressure and so on. The active ingredient of Megestrol Acetate Tablets is Megestrol Acetate, which is essentially a kind of progestin and has certain inhibitory effect on hormone-dependent tumors such as endometrial cancer and breast cancer, and is prohibited for women during lactation and pregnancy. Patients who are allergic to the components of the drug are forbidden to take megestrol acetate tablets, and patients with severe hepatic insufficiency, thrombophlebitis and thrombosis are forbidden. Common side effects of the drug after taking Megestrol Acetate Tablets include weight gain, constipation, nausea, vomiting, high blood pressure, flushing, mood changes and hyperglycemia. Drugs need to be taken under the guidance of a physician, it is recommended that patients who need to take megestrol acetate tablets to the oncology department of a regular hospital consultation, do not take the drug on their own.