If you take emergency contraceptive pills and the blood keeps flowing but not more than 1 week, you don’t need to deal with it, but if it lasts for more than 1 week, you need to give medication. Taking emergency contraceptive pills is a remedial measure after unprotected sex, need to be taken under the guidance of a doctor, and to rule out contraindications such as hepatic and renal insufficiency. Because emergency contraceptive pills contain a large dose of hormones, after taking the pills can cause irregular vaginal bleeding, when the bleeding does not exceed 1 week, do not need to deal with. However, when the vaginal bleeding exceeds 1 week after taking the pill, you should go to the hospital and have an ultrasound examination to know the condition of the uterine lining, and follow the doctor’s instructions to give medicines such as uterine hematocrit and Yunnan Baiyao to stop the bleeding treatment. Because of the side effects of emergency contraceptive pills, and contraceptive efficiency is low, so it is not recommended as a regular contraceptive method, you can choose safe and effective contraceptive measures under the guidance of the doctor, such as placing a birth control ring and so on. When you take emergency contraceptive pills, you need to go to the hospital and get treatment under doctor’s guidance.