A box of mifepristone usually costs between $20 and $50, and you should consult your local pharmacy for the exact price. Mifepristone belongs to the contraceptive pill, applicable to unprotected sex or contraceptive failure within 72 hours of pregnancy prevention, need to pay attention to fasting 1 to 2 hours after taking the drug. Its price is generally between $20 and $50 for a box, and since the cost may vary in different areas, it is advisable to consult your local hospital or pharmacy. Adverse reactions such as fatigue, nausea and vomiting, dizziness, lower abdominal pain, breast tenderness and headache may occur after taking mifepristone, but most of the symptoms are mild and do not require special treatment. It is contraindicated in patients with severe hepatic, renal and cardiac disorders as well as adrenocortical insufficiency. In addition, Mifepristone should be taken under the guidance of a professional doctor, and avoid taking it at will.