"Women who receive the potent teratogen isotretinoin for acne control have inadequate adherence to pregnancy prevention, according to a study published online April 25 in the Canadian Medical Association Journal.
"The current is"...
Loestrin 24 Fe
Loestrin® 24 Fe
(norethindrone acetate and ethinyl estradiol) Tablets, USP and (ferrous fumarate) Tablets
Ferrous fumarate tablets are not USP for dissolution and assay.
Patients should be counseled that this product does not protect against HIV infection (AIDS) and other sexually transmitted diseases.
Loestrin® 24 Fe (norethindrone acetate and ethinyl estradiol) provides a dosage regimen consisting of 24 white progestogen-estrogen contraceptive tablets and 4 brown ferrous fumarate (placebo) tablets.
Each white tablet contains 1 mg norethindrone acetate and 20 mcg ethinyl estradiol. Each white tablet also contains the following inactive ingredients: acacia, lactose, magnesium stearate, starch, confectioner's sugar, and talc.
Each brown tablet contains ferrous fumarate, microcrystalline cellulose, magnesium stearate, povidone, sodium starch glycolate, and compressible sugar. The ferrous fumarate tablets do not serve any therapeutic purpose.
The structural formulas for the active hormones are:
Ethinyl Estradiol [19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, (17α)-]
Norethindrone Acetate [19-Norpregn-4-en-20-yn-3-one, 17-(acetyloxy)-, (17α)-]
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; difficult 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 norethindrone acetate and ethinyl estradiol (Loestrin 24 Fe)?
See also Warning section.
Before using this medication, tell your doctor or pharmacist if you are allergic to ethinyl estradiol, norethindrone, or ferrous fumarate; or to other estrogens, progestins, or iron products; 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,...
Last reviewed on RxList: 9/18/2008
This monograph has been modified to include the generic and brand name in many instances.
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