Nor-QD (Norethindrone) Drug Information: Description, User Reviews, Drug Side Effects, Interactions

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May 26, 2012

Nor-QD

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What are birth control pills and how do they work?

Birth control pills are also known as oral contraceptives (OCs) or, simply, â€œthe pill.â€ They offer protection against pregnancy by blocking the union of sperm and egg, thereby preventing conception.

Oral contraceptives or birth control pills contain synthetic female hormones. They work largely by preventing the release of an egg from an ovary, or ovulation. If no egg is released, there can be no pregnancy.

Stopping ovulation is not the only way birth control pills can work. The progestin or synthetic progesterone in birth control pills also changes the physical and chemical environment of the female reproductive tract, making it hostile for sperm.

What are the different types of birth control pills?

The active ingredients in birth control pills are synthetic versions of the female hormones estrogen and progesterone. Combination oral contraceptives are birth control...

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Nor-QD User Reviews >>

Nor-QD

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Nor-QD® Tablets
(norethindrone 0.35 mg) Tablets, USP

Patients should be counseled that oral contraceptives do not protect against transmission of HIV (AIDS) and other sexually transmitted diseases (STDs) such as Chlamydia, genital herpes, genital warts, gonorrhea, hepatitis B, and syphilis.

DRUG DESCRIPTION

Each yellow Nor-QD (norethindrone) ® tablet provides a continuous oral contraceptive regimen of 0.35 mg norethindrone daily, and the inactive ingredients include D&C Yellow No. 10, FD&C Yellow No. 6, lactose, magnesium stearate, povidone, and starch.

The chemical name for norethindrone is 17-Hydroxy-19-Nor-17α-pregn-4-en-20-yn-3-one. The structural formula follows:

Nor-QD® (norethindrone) Structural Formula Illustration

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 (Nor-QD)?

Before using this medication, tell your doctor or pharmacist if you are allergic to norethindrone; or to other progestins (e.g., norgestrel); 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: abnormal breast exam, breast cancer, liver problems (e.g., liver tumor, active liver disease), current or suspected pregnancy, unexplained vaginal bleeding.

Before you take this medication, tell your doctor your entire medical history, including family medical history, especially of: stroke or other blood clots...

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Last reviewed on RxList: 1/28/2009
This monograph has been modified to include the generic and brand name in many instances.