Aygestin (Norethindrone) Drug Information: Description, User Reviews, Drug Side Effects, Interactions

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February 8, 2012

Aygestin

Endometriosis »

What is endometriosis?

Endometriosis is the abnormal growth of cells (endometrial cells) similar to those that form the inside of the uterus, but in a location outside of the uterus. Endometrial cells are cells that are shed each month during menstruation. The cells of endometriosis attach themselves to tissue outside the uterus and are called endometriosis implants. These implants are most commonly found on the ovaries, the Fallopian tubes, outer surfaces of the uterus or intestines, and on the surface lining of the pelvic cavity. They can also be found in the vagina, cervix, and bladder, although less commonly than other locations in the pelvis. Rarely, endometriosis implants can occur outside the pelvis, on the liver, in old surgery scars, and even in or around the lung or brain. Endometrial implants, while they can cause problems, are benign (not cancerous).

Who is affected by endometriosis?

Endometriosis affects w...

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Aygestin

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Aygestin®
(norethindrone acetate) Tablets, USP

DRUG DESCRIPTION

Aygestin (norethindrone acetate tablets, USP) - 5 mg oral tablets. Aygestin (norethindrone) , (17-hydroxy-19-nor-17α-pregn-4-en-20-yn-3-one acetate), a synthetic, orally active progestin, is the acetic acid ester of norethindrone. It is a white, or creamy white, crystalline powder.

Aygestin® (norethindrone acetate) Structural Formula Illustration

Aygestin (norethindrone) Tablets contain the following inactive ingredients: lactose, magnesium stearate, and microcrystalline cellulose.

What are the possible side effects of 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 headache, confusion, pain behind the eyes, problems with vision, speech, or balance;
pain or swelling in one or both legs;
migraine headache;
swelling in...

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What are the precautions when taking norethindrone (Aygestin)?

Before taking norethindrone, tell your doctor or pharmacist if you are allergic to it; 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 medicine, consult your doctor or pharmacist if you have: history of blood clots, history of bleeding in the brain, liver disease, history of cancer of the breast or other female organs, vaginal bleeding of unknown cause, a loss of pregnancy with some tissue remaining in the uterus ("missed abortion"), recent stroke or heart attack (within 1 year).

Before using this medication, tell your doctor or pharmacist your medical...

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Last reviewed on RxList: 3/31/2009
This monograph has been modified to include the generic and brand name in many instances.