In case of functional uterine bleeding, it is recommended to take 1 tablet orally twice a day for 5-7 days if you want to stop the medication. It is necessary to give a comprehensive analysis according to the specific situation, so that we can know whether it is necessary to stop the drug. In addition, if it is to prevent bleeding, you can take oral dydrogesterone twice a day on days 11-25 of the menstrual cycle, taking one tablet each time, and make sure not to miss any dose during the course of taking the medication to avoid irregular vaginal bleeding. Patients who are allergic to drospirenone should not take it and are advised to use other methods to stop the bleeding or carry out treatment instead.