Problems With Mirena

Mirena® is an intrauterine system (IUS) that works to prevent pregnancy primarily by stopping ovulation; it also affects the uterus and cervix in ways that make it harder for conception to occur. While most women have no problems with Mirena, adverse reactions are possible. In addition, some women may not be able to safely use this device.
For example, women who have a history of blood-clotting disorders, liver disease, a weakened immune system, or an abnormally shaped uterus may need to use a different form of birth control, such as pills. In clinical studies, commonly reported side effects of Mirena included abdominal cramps, nausea, and headaches. Potentially serious problems include high blood pressure, jaundice, and ectopic pregnancy.
(Click Mirena Side Effects and Mirena Warnings and Precautions to learn more about possible problems associated with this drug.)
Last reviewed by: Kristi Monson, PharmD
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