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Loestrin Fe

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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

DRUG DESCRIPTION

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 Structural Formula Illustration

Ethinyl Estradiol [19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, (17α)-]

Norethindrone Acetate Structural Formula Illustration

Norethindrone Acetate [19-Norpregn-4-en-20-yn-3-one, 17-(acetyloxy)-, (17α)-]

What are the possible side effects of ethinyl estradiol and norethindrone?

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 this medication and call your doctor at once if you have any of these serious side effects:

  • sudden numbness or weakness, especially on one side of the body;
  • sudden severe headache, confusion, problems with vision, speech, or balance;
  • sudden cough, wheezing, rapid breathing, coughing up blood;
  • pain, swelling, warmth, or redness in one or both legs;
  • chest...

Read All Potential Side Effects and See Pictures of Loestrin 24 Fe »

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 acetate, 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.

This medication should not be used if you have certain medical conditions. Before using this product, consult your doctor or pharmacist if you have: history of stroke or other blood clots (e.g., in the legs, eyes, lungs), blood clotting disorders (such as protein C or protein S deficiency), severe high blood pressure, abnormal breast exam, cancer (especially endometrial or...

Read All Potential Precautions of Loestrin 24 Fe »

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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Loestrin 24 Fe - User Reviews

Loestrin 24 Fe User Reviews

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Here is a collection of user reviews for the medication Loestrin 24 Fe sorted by most helpful. Patient Discussions FAQs

Report Problems to the Food and Drug Administration

 

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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