Breast cancer is a kind of common female malignant tumor, if the postoperative care is not proper, it may cause edema, it is recommended to use medication under the guidance of doctor, such as Diosmin tablets, Mai Zhi Ling tablets, diuretic drugs and so on. 1. Diosmin tablets: It contains flavonoids, which can treat the discomfort caused by breast cancer. When edema occurs, it is recommended to use Diosmin tablets under the guidance of doctor for treatment, which can relieve the discomfort caused by edema. 2. Mazolin tablets: Mazolin tablets contain horse chestnut seed extract, which is used for the edema and other symptoms caused by breast cancer, and can be used under the guidance of a doctor for treatment, which can relieve the symptoms. 3. Diuretic drugs: If you suffer from breast cancer and edema, which causes swelling and pain and other uncomfortable symptoms, you can choose diuretic drugs such as furosemide under the guidance of doctor for treatment, which may be able to relieve the symptoms. It is recommended that patients go to regular hospitals in time to find out the cause of the disease and receive treatment according to the doctor’s instructions, and do not take medication without authorization.