See the DrugPatentWatch profile for Levonorgestrel
Levonorgestrel and ethinyl estradiol are components of several combination oral contraceptives [1]. These medications are commonly prescribed for birth control and to manage conditions like acne, endometriosis, and polycystic ovary syndrome [2].
What are the common brand names for levonorgestrel and ethinyl estradiol?
Products containing levonorgestrel and ethinyl estradiol are marketed under various brand names. Some of the well-known brands include Alesse, Aviane, Seasonale, Seasonique, Plan B One-Step, and Levora [1][3]. The specific formulation and dosage can vary between these brands.
How does ethinyl estradiol in combination birth control work?
Ethinyl estradiol is a synthetic estrogen that, when combined with a progestin like levonorgestrel, works primarily by preventing ovulation [4]. It also thickens cervical mucus, making it harder for sperm to reach an egg, and thins the lining of the uterus, making implantation less likely [4].
Are there different formulations of levonorgestrel and ethinyl estradiol?
Yes, there are various formulations. These can differ in the dosage of ethinyl estradiol and levonorgestrel, as well as the regimen (e.g., daily pills, extended-cycle pills that reduce the frequency of menstrual periods) [3]. Extended-cycle formulations aim to reduce the number of withdrawal bleeds per year [5].
Where can I find discounts or lower prices for these medications?
Discount availability for levonorgestrel and ethinyl estradiol products can depend on the specific brand, insurance coverage, and pharmacy. Patients may find savings through:
* Manufacturer discount programs: Pharmaceutical companies sometimes offer coupons or patient assistance programs for their branded medications.
* Pharmacy discount cards: Services like GoodRx, SingleCare, or other pharmacy-specific discount cards can provide reduced prices at participating pharmacies [6].
* Generic alternatives: If a doctor prescribes a branded product, inquiring about a generic equivalent, such as levonorgestrel and ethinyl estradiol tablets, can often lead to significant cost savings [7].
* Online pharmacies: Some accredited online pharmacies may offer competitive pricing.
When does the patent expire for levonorgestrel and ethinyl estradiol products?
The patent landscape for medications is complex and changes over time. Many older formulations containing levonorgestrel and ethinyl estradiol have had their primary patents expire, leading to the availability of generic versions [8]. However, new formulations, delivery methods, or specific combination ratios may have their own patent protection. Information on patent expiration for specific drug products can be found on resources like DrugPatentWatch.com [8].
What are the risks associated with levonorgestrel and ethinyl estradiol?
Combination oral contraceptives carry potential risks, including an increased risk of blood clots (deep vein thrombosis, pulmonary embolism), stroke, and heart attack, especially in individuals with certain risk factors [9]. Other side effects can include nausea, headaches, breast tenderness, changes in menstrual bleeding, and mood changes [9]. It is crucial to discuss these risks with a healthcare provider to determine if this type of contraception is appropriate [9].
How do levonorgestrel and ethinyl estradiol birth control pills compare to other methods?
Combination pills are highly effective when used correctly, with typical use failure rates around 9% [10]. They offer advantages such as predictable cycles and potential non-contraceptive benefits like acne improvement. However, they require daily adherence and do not protect against sexually transmitted infections (STIs) [10]. Other methods, like IUDs or implants, offer higher long-term efficacy and do not require daily action but may have different side effect profiles and costs [10].