The time, method and dosage of the treatment of dydrogesterone tablets are different for different diseases. 1. For the treatment of dysmenorrhea and endometriosis, the tablets are usually taken from the 5th day of menstrual cycle to the end of 25 days; 2. 14 days continuously; 3. In the treatment of premenstrual syndrome, it is generally taken for 14 days continuously from the 11th day of menstruation; 4. In the treatment of irregular menstruation, it is generally taken for 14 days continuously from the 11th day of menstruation; 5. In the treatment of pre-eclampsia, it is generally taken from the beginning until the clinical symptoms disappear completely. In the case of treatment of habitual abortion, it should be taken until 20 weeks of pregnancy; 6. For the treatment of infertility caused by progesterone deficiency, it is generally started on the 14th day of the menstrual cycle and taken for 11 consecutive days. The above is the specific time for taking Didrogestrel Tablets for different diseases, and the specific dosage should be decided by clinicians taking into account the medical history and symptoms. Therefore, it is not necessarily necessary to take drospirenone tablets for 10 days, and if you have nausea, vomiting or skin allergy after taking the drug, you should stop using it in time.