Necon 7/7/7
Generic name:norethindrone and ethinyl estradiol
Dosage form: tablets
Drug classes:Contraceptives, Sex hormone combinations
Medically reviewed by Drugs.com. Last updated on Jan 24, 2022.
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Cigarette smoking increases the risk of serious cardiovascular events from combination oral contraceptive use. This risk increases with age, particularly in women over 35 years of age, and with the number of cigarettes smoked. For this reason, combination oral contraceptives, including Necon 7/7/7®, should not be used by women who are over 35 years of age and smoke.
Patients should be counseled that this product does not protect against HIV infection (AIDS) and other sexually transmitted diseases.
COMBINED ORAL CONTRACEPTIVES
The following product is a combined oral contraceptive containing the progestational compound norethindrone and the estrogenic compound ethinyl estradiol.
Necon 7/7/7® Tablets: Each white tablet contains 0.5 mg of norethindrone and 0.035 mg of ethinyl estradiol. Inactive ingredients include lactose, magnesium stearate and pregelatinized corn starch. Each light peach tablet contains 0.75 mg of norethindrone and 0.035 mg of ethinyl estradiol. Inactive ingredients include FD&C Yellow No. 6, lactose, magnesium stearate and pregelatinized corn starch. Each peach tablet contains 1 mg of norethindrone and 0.035 mg of ethinyl estradiol. Inactive ingredients include FD&C Yellow No. 6, lactose, magnesium stearate and pregelatinized corn starch. Each green tablet contains only inert ingredients, as follows: D&C Yellow No. 10 Aluminum Lake, FD&C Blue No. 2 Aluminum Lake, lactose, magnesium stearate, microcrystalline cellulose and pregelatinized corn starch.
The chemical name for norethindrone is 17-Hydroxy-19-nor-17α-pregn-4-en-20-yn-3-one, and for ethinyl estradiol is 19-Nor-17α-pregna-1,3,5(10)-trien-20-yne-3,17-diol. Their structural formulas are as follows:
