How long do the side effects of emergency contraception last?

How long the side effects of contraceptives last depends on what they are. Generally, changes in menstruation, such as early menstruation or delayed menstruation, occur in the first month of taking the drug. There will be no such changes in menstruation in the second and third months.

For this kind of nausea, retching, breast tenderness, headache, dizziness, fatigue and other symptoms, they can disappear on their own after 24 hours.

If these symptoms are severe or persistent, be sure to consult a doctor. There are also cases of abnormal uterine bleeding. If there is no menstruation during the menstrual period, or there is abnormal uterine bleeding, then we should go to the hospital for medical treatment. We must be alert to the existence of ectopic pregnancy, in other words, a failure of contraceptive measures.

Patients with breast cancer, reproductive organ cancer, liver dysfunction and recent history of liver disease and jaundice, venous thrombosis, craniocerebral injury, hypertension, cardiovascular disease, diabetes, hyperlipidemia, depression and women over 40 years old are strictly prohibited from using this kind of medicine. Therefore, when taking medicines, everyone must be cautious.