Accidents can make people choose to take the emergency contraceptive pill to remedy the situation. Then, before taking the emergency contraceptive pill, it is also hoped that women can carefully understand the possible hazards and side effects. When emergency contraceptive pills are used, there are often pharmacological effects other than those for therapeutic purposes, that is, side effects, which may include nausea and vomiting, menstrual changes, breast swelling, dizziness and weakness. Moreover, the emergency contraceptive pill should only be used as a temporary remedy and should not be used as a regular contraceptive method. Frequent use may result in premature ovarian failure, uterine bleeding, menstrual disorders, liver damage and other hazards. What are the side effects of the emergency contraceptive pill? Nausea and vomiting: Nausea and vomiting are common side effects after taking the emergency contraceptive pill, and the nausea and vomiting caused by the emergency contraceptive pill usually does not last more than 24 hours. If you vomit after taking the pill, you should take one pill as soon as possible, either with food or at bedtime to relieve nausea. If your period is delayed for more than 1 week, you need to use HCG test paper to clarify whether the contraceptive has failed; 3. Breast swelling and pain: Emergency contraceptive pill contains a lot of hormone ingredients, which will stimulate the breasts at the same time, girls will feel breast swelling and pain, usually 2-3 days after taking the pill can be relieved and gradually disappear; 4. Weight gain: Emergency contraceptives are closely related to blood lipids and may cause weight gain. What are the harmful effects of emergency contraceptives? 1. Stimulate the occurrence of tumors: the use of emergency contraceptives in large quantities for a long time in women over 40 years old may stimulate the relevant organs and cause breast cancer or endometrial cancer; 2. Menstrual disorders: emergency contraceptives affect the secretion of estrogen, resulting in the normal growth of the endometrium, the thinning of the endometrium and the reduction of menstrual flow. Liver damage: the liver bears the metabolic function of the drug, and frequent use of emergency contraceptives may cause liver damage and even lead to the occurrence of liver disease. What is the best contraceptive method? IUD? Ligation? Condoms? There is always one that suits you! It is recommended that those who are not planning to get pregnant actively take safety measures before having sex. If after taking the emergency contraceptive pill, the above side effects manifest and persist, you need to seek medical attention!