About levonorgestrel
Levonorgestrel-releasing intrauterine contraceptive
Used for
- Long-term pregnancy prevention
- Treatment of heavy menstrual bleeding
- Protection of the uterine lining during estrogen therapy
Usual adult dose
One device placed in the uterus by a trained clinician; duration depends on the use and current product guidance.
Common side effects
- Irregular bleeding or spotting, especially initially
- Absent or lighter periods
- Pelvic pain or cramps
- Headache, acne, or breast tenderness
Important warnings
- May rarely cause uterine perforation, expulsion, or pelvic infection
- Does not protect against sexually transmitted infections
- Not suitable with current pelvic infection, unexplained bleeding, or certain uterine abnormalities
- Seek assessment for severe pain, fever, heavy bleeding, or suspected pregnancy
Pregnancy
Must not be used during pregnancy. Pregnancy with the device in place increases risks, including miscarriage and infection.
Breastfeeding
Can generally be used while breastfeeding; insertion soon after delivery may increase perforation risk.
Interactions
- Some enzyme-inducing medicines may reduce contraceptive effectiveness, though effects are usually limited because action is mainly local.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.