Briellyn

Generic name:norethindrone and ethinyl estradiol
Dosage form: tablets
Drug classes:Contraceptives, Sex hormone combinations

Medically reviewed by Drugs.com. Last updated on May 1, 2022.

Rx only

Patients should be counseled that this product does not protect against HIV infection (AIDS) and other sexually transmitted diseases.

Briellyn Description

Briellyn® 28-Day (norethindrone and ethinyl estradiol tablets, USP) provide a continuous regimen for oral contraception derived from 21 light peach tablets composed of norethindrone, USP and ethinyl estradiol, USP to be followed by 7 white to off-white tablets of inert ingredients. The structural formulas are:

The light peach active tablets each contain 0.4 mg norethindrone, USP and 0.035 mg ethinyl estradiol, USP and contain the following inactive ingredients: anhydrous lactose, colloidal silicon dioxide, dibasic calcium phosphate dihydrate, FD&C yellow no. 6 aluminum lake, lactose monohydrate, magnesium stearate, povidone, sodium starch glycolate and talc. The white to off-white tablets in the 28-Day regimen contain only inert ingredients as follows: lactose monohydrate, magnesium stearate, pregelatinized starch and talc.

Briellyn - Clinical Pharmacology

Combination oral contraceptives act by suppression of gonadotropins. Although the primary mechanism of this action is inhibition of ovulation, other alterations include changes in the cervical mucus (which increase the difficulty of sperm entry into the uterus) and the endometrium (which reduce the likelihood of implantation).

Indications and Usage for Briellyn

Oral contraceptives are indicated for the prevention of pregnancy in women who elect to use this product as a method of contraception.

Oral contraceptives are highly effectiv...