Mifepristone (Systemic)

Brand Names : Mifeprex, RU 486

Side Effects of This Medicine

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor as soon as possible if any of the following side effects occur:

Less common

Excessively heavy vaginal bleeding; unusual tiredness or weakness

Incidence not known

chest pain or discomfort; confusion; cough or hoarseness; fast, weak pulse; fever or chills; lower back or side pain; pain or discomfort in arms, jaw, back or neck; painful or difficult urination; pale, cold, clammy skin; shortness of breath; sudden increase in abdominal or shoulder pain; sweating; unusual or large amount of vaginal bleeding

Other side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. However, check with your doctor if any of the following side effects continue or are bothersome.

More common

Abdominal pain or uterine cramping; back pain; diarrhea; dizziness; headache; nausea or vomiting

Less common

Acid or sour stomach; anxiety; belching ; cough; fainting or light-headedness when getting up from a lying or sitting position ; fever ; flu-like symptoms; headache; heartburn ; increased clear or white vaginal discharge; indigestion ; itching of the vagina or genital area; lack or loss of strength; pain during sexual intercourse; pain or tenderness around eyes and cheekbones; pale skin; shaking chills; shortness of breath or troubled breathing; sleeplessness or trouble sleeping ; stomach discomfort, upset, or pain; tightness of chest or wheezing; troubled breathing, exertional; unusual bleeding or bruising; stuffy or runny nose

Other side effects not listed above may also occur in some patients. If you notice any other effects, check with your doctor.