prevents pregnancy. Many medications, including some antibiotics and supplements, can cause Tri-Norinyl to not work. Ask your pharmacist or doctor before taking any other medications.
Tri-Norinyl is a prescription birth control medication used to prevent pregnancy. Tri-Norinyl contains two hormones, norethindrone and ethinyl estradiol, which belong to a group of drugs called hormonal contraceptives. These hormones prevent pregnancy by stopping ovulation and by altering cervical mucus and the lining of the uterus to prevent sperm from entering.
This medication comes in tablet form and is taken once daily, with or without food.
Common side effects of Tri-Norinyl include nausea, breast tenderness, and vaginal bleeding between menstrual periods.
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Tri-Norinyl Drug Class
Tri-Norinyl is part of the drug class: