About mestranol + norethynodrel
Combined estrogen-progestin oral contraceptive
Used for
Usual adult dose
One tablet daily, following the pack directions; start the next pack on schedule.
Common side effects
- Nausea or vomiting
- Breast tenderness
- Headache
- Spotting or changes in menstrual bleeding
Important warnings
- Increases risk of blood clots, stroke, and heart attack.
- Avoid with a history of blood clots, stroke, or certain cancers.
- Smoking increases serious cardiovascular risks, especially after age 35.
- May be unsuitable with uncontrolled high blood pressure or migraine with aura.
Pregnancy
Not for use during pregnancy; discontinue if pregnancy occurs.
Breastfeeding
May reduce milk supply; estrogen-containing contraception is generally avoided early after childbirth.
Interactions
- Rifampin and some seizure medicines can reduce contraceptive effectiveness.
- Some HIV or hepatitis medicines can interact.
- St. John’s wort may reduce contraceptive effectiveness.
- May affect warfarin and some diabetes medicines.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.