Mifepristone

Brand name(s): Mifeprex®
Other name(s): RU-486

Serious side effects such as very heavy vaginal bleeding or severe or life-threatening infection can occur in a few patients when mifepristone is used to end a pregnancy. In a small number of patients, mifepristone may not end the pregnancy. If this happens, you may need to have surgery to end your pregnancy. If mifepristone does not end the pregnancy and you do not have surgery to end the pregnancy, there is a risk of birth defects in the baby.Tell your doctor if you have or have ever had bleeding problems, an ectopic pregnancy ('tubal pregnancy' or pregnancy outside the uterus), anemia (less than normal number of red blood cells), or if you are taking anticoagulants ('blood thinners') such as warfarin (Coumadin), heparin, or aspirin. If you experience very heavy vaginal bleeding after treatment with mifepristone, such as soaking through two thick full-size sanitary pads every hour for two continuous hours, call your doctor immediately or seek emergency medical care. You also should call your doctor immediately or seek emergency care if you experience fever greater than 100.4°F that lasts for more than 4 hours, severe pain or tenderness in the area below the waist, chills, a fast heart beat, shortness of breath, dizziness, fainting, or blurred vision after treatment with mifepristone. Your doctor will give you the manufacturer's medication guide to read before you begin treatment with mifepristone.You will also need to sign a patient agreement before taking mifepristone. Tell your doctor if you have questions about treatment with mifepristone or if you can not follow the guidelines in the patient agreement.Talk to your doctor and decide whom to call and what to do in case of an emergency after taking mifepristone. Take your medication guide with you if you visit an emergency room or seek emergency medical care.Keep all appointments with your doctor.Talk to your doctor about the risks of taking mifepristone.

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