Norethindrone acetate, ethinyl estradiol; 0.5mg/2.5mcg, 1mg/5mcg; tabs. May be potentiated by CYP3A4 inhibitors (eg, erythromycin, clarithromycin, ketoconazole ...

Lo Loestrin Fe (norethindrone acetate/ethinyl estradiol, ethinyl estradiol, ferrous fumarate) is a brand-name drug that doctors prescribe to help prevent pregnancy. Lo Loestrin Fe comes as an oral ...

[2] Even norethindrone, a first generation progestin ... given in proper doses and in combination with low-dose ethinyl estradiol, resulting in reduction of free testosterone.

Norethindrone acetate 1mg, ethinyl estradiol 20mcg (21 tabs). 28-day products: 1 tab daily for 28 days; repeat. 21-day products: 1 tab daily for 21 days, then 7 tablet-free days; repeat.