Norethindrone And Ethinyl Estradiol
Generic Name: norethindrone and ethinyl estradiol
Brand Names:
Alyacen 1/35, Alyacen 7/7/7
Norethindrone and ethinyl estradiol is a combined oral contraceptive available in monophasic and triphasic formulations, indicated for prevention of pregnancy in women who elect oral contraceptive use.
Overview
Norethindrone and ethinyl estradiol is a combined oral contraceptive available in monophasic and triphasic formulations, indicated for prevention of pregnancy in women who elect oral contraceptive use.
Uses
Indicated for prevention of pregnancy in women who elect oral contraceptive use. When taken correctly without missing pills, effectiveness is approximately 1% failure rate per year.
Dosage
Take one pill daily at the same time. Available as triphasic (varying hormone doses across three weeks) or monophasic (consistent hormone levels) formulations. 21 active pills plus 7 reminder pills per cycle. Start on Sunday or Day 1 of menstrual cycle.
Side Effects
Common: nausea, vomiting, bleeding between periods, weight gain, breast tenderness, contact lens difficulty. Serious (rare): blood clots, stroke, heart attack, liver tumors, gallbladder disease, increased blood pressure.
Interactions
Reduced effectiveness with seizure medicines (carbamazepine, phenytoin), rifampin, St. John's wort, bosentan, and certain HIV medicines. Lamotrigine interaction may increase seizure risk. Thyroid hormone users may need dose adjustment.
Warnings
Cigarette smoking increases risk of serious cardiovascular events from combination oral contraceptives. Risk increases with age, particularly over 35. Contraindicated in thrombophlebitis, thromboembolic disorders, cerebrovascular disease, coronary artery disease, valvular heart disease, severe hypertension, diabetes with vascular involvement, breast cancer, hepatic disease/tumors.
Pregnancy
No conclusive evidence of increased birth defects with inadvertent use during early pregnancy. Discontinue if pregnancy confirmed. Consult healthcare provider before use while breastfeeding.
Storage
Store at 20-25 degrees C (68-77 degrees F).
Frequently Asked Questions
What is Norethindrone And Ethinyl Estradiol used for?▼
Indicated for prevention of pregnancy in women who elect oral contraceptive use. When taken correctly without missing pills, effectiveness is approximately 1% failure rate per year.
What are the side effects of Norethindrone And Ethinyl Estradiol?▼
Common: nausea, vomiting, bleeding between periods, weight gain, breast tenderness, contact lens difficulty. Serious (rare): blood clots, stroke, heart attack, liver tumors, gallbladder disease, increased blood pressure.
Can I take Norethindrone And Ethinyl Estradiol during pregnancy?▼
No conclusive evidence of increased birth defects with inadvertent use during early pregnancy. Discontinue if pregnancy confirmed. Consult healthcare provider before use while breastfeeding.
What are the important warnings for Norethindrone And Ethinyl Estradiol?▼
Cigarette smoking increases risk of serious cardiovascular events from combination oral contraceptives. Risk increases with age, particularly over 35. Contraindicated in thrombophlebitis, thromboembolic disorders, cerebrovascular disease, coronary artery disease, valvular heart disease, severe hypertension, diabetes with vascular involvement, breast cancer, hepatic disease/tumors.
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.