See the DrugPatentWatch profile for Mirena
The generic name for Mirena is levonorgestrel-releasing intrauterine system [1].
When did Mirena lose its patent exclusivity?
Mirena's patents began to expire around 2017 [2]. Patent expiry dates can vary by country and the specific patent in question.
Can you get a generic version of Mirena?
Yes, generic versions of the levonorgestrel-releasing intrauterine system are available [1]. These are often referred to as LNG-IUS.
What is the difference between Mirena and its generic versions?
Generic versions of Mirena are bioequivalent to the brand-name product, meaning they contain the same active ingredient, levonorgestrel, at the same strength [1]. They are designed to work in the same way and offer the same contraceptive benefits. The primary differences are typically in the inactive ingredients, branding, and cost.
How much does a generic Mirena cost?
The cost of generic levonorgestrel-releasing intrauterine systems can be significantly lower than the brand-name Mirena. Actual prices will vary depending on insurance coverage, pharmacy, and location.
Who makes generic levonorgestrel IUDs?
Several pharmaceutical companies manufacture generic versions of levonorgestrel-releasing intrauterine systems. Specific manufacturers and product names may differ by region.
What are the side effects of levonorgestrel IUDs?
Common side effects associated with levonorgestrel-releasing intrauterine systems, including Mirena and its generics, can include changes in menstrual bleeding patterns (such as heavier, lighter, or irregular bleeding), spotting, cramping, and expulsion of the device [3]. Less common side effects may include headaches, acne, breast tenderness, and mood changes [3].
What is the active ingredient in Mirena?
The active ingredient in Mirena is levonorgestrel, a progestin hormone [1].
Sources:
1. https://www.drugpatentwatch.com/drug/levonorgestrel-releasing-intrauterine-system
2. https://www.drugpatentwatch.com/brand/mirena
3. https://www.drugpatentwatch.com/drug/levonorgestrel