Norethindrone Tablets

Dosage form: tablet
Drug classes:Contraceptives, Progestins

Medically reviewed by Drugs.com. Last updated on Nov 1, 2020.

0.35 mg

Rx only

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.

Norethindrone Tablets Description

Each yellow norethindrone tablet USP 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 anhydrous, lactose monohydrate, corn starch, povidone and magnesium stearate.

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

Norethindrone Tablets - Clinical Pharmacology

1. Mode of Action

Norethindrone Tablets progestin-only oral contraceptives prevent conception by suppressing ovulation in approxim...