Liletta (levonorgestrel) is an intrauterine device (IUD) used to prevent pregnancy and also to treat heavy periods (menstrual bleeding). Learn more about LILETTA®, a levonorgestrel-releasing intrauterine system (IUS, also known as an intrauterine device or IUD). See Important Risk Info & full Prescribing Info. LILETTA is a levonorgestrel-releasing intrauterine system consisting of a T-shaped polyethylene frame with a drug reservoir containing 52 mg levonorgestrel, packaged within a sterile inserter. LILETTA is a levonorgestrel-releasing intrauterine system consisting of a T-shaped polyethylene frame with a drug reservoir containing 52 mg levonorgestrel, packaged within a sterile inserter. It is inserted into the uterus to prevent pregnancy for up to eight years, or to prevent pregnancy and treat heavy ... Dec 22, 2025 · Liletta is a sterile, hormone-releasing Levonorgestrel-releasing Intrauterine System (IUS), classified as a form of Long-Acting Reversible Contraception (LARC).
