This medication comes in the following strengths:
- Levonorgestrel-releasing intrauterine system containing 52 mg of levonorgestrel (Mirena)
- Levonorgestrel-releasing intrauterine system containing 13.5 mg of levonorgestrel (Skyla).
Who Makes This Contraceptive?
Both Mirena and Skyla are made by Bayer HealthCare Pharmaceuticals, Inc.