"What are birth control pills and how do they work?
Birth control pills are also known as oral contraceptives (OCs) or, simply, “the pill.” They offer protection against pregnancy by blocking the union of sperm and egg, thereby prevent"...
(levonorgestrel/ethinyl estradiol) Tablets 0.15 mg / 0.03 mg
Patients should be counseled that this product does not protect against HIV-infection (AIDS) and other sexually transmitted diseases.
Seasonale® (levonorgestrel/ethinyl estradiol tablets) is an extended-cycle oral contraceptive consisting of 84 pink active tablets each containing 0.15 mg of levonorgestrel, a synthetic progestogen and 0.03 mg of ethinyl estradiol, and 7 white inert tablets (without hormones).
The chemical formula of levonorgestrel USP is 18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17α)-, (-)-, and the chemical formula of ethinyl estradiol USP is 19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, (17α)-. The structural formulas are as follows:
Each pink active tablet contains the following inactive ingredients: anhydrous lactose NF, FD&C blue no. 1, FD&C red no. 40, hydroxypropyl methylcellulose USP, microcrystalline cellulose NF, polyethylene glycol NF, magnesium stearate NF, polysorbate 80 NF, and titanium dioxide USP. Each white inert tablet contains the following inactive ingredients: anhydrous lactose NF, hydroxypropyl methylcellulose USP, microcrystalline cellulose NF, and magnesium stearate NF.
What are the possible side effects of birth control pills?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using birth control pills and call your doctor at once if you have a serious side effect such as:
- sudden numbness or weakness, especially on one side of the body;
- sudden and severe headache, confusion, problems with vision, speech, or balance;
- chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, general ill feeling;
- sudden cough, wheezing, rapid...
What are the precautions when taking levonorgestrel, ethinyl estradiol (Seasonale)?
See also Warning section.
Before using this medication, tell your doctor or pharmacist if you are allergic to ethinyl estradiol or levonorgestrel; or to other estrogens or progestins; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: blood clots (for example, in the legs, eyes, lungs), blood clotting disorders (such as protein C or protein S deficiency), high blood pressure, abnormal breast exam, cancer (especially endometrial or breast cancer), high cholesterol or triglyceride (blood fat) levels, depression, diabetes, gallbladder problems, severe...
Last reviewed on RxList: 11/18/2008
This monograph has been modified to include the generic and brand name in many instances.
Additional Seasonale Information
Seasonale - User Reviews
Seasonale User Reviews
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You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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