Troglitazone + Norethindrone Acetate%2C Ethinyl Estradiol And Ferrous Fumarat Interaction
Majorinteraction on record
Description
Troglitazone reduces plasma concentrations of norethindrone and ethinyl estradiol by approximately 30%, resulting in reduced contraceptive effectiveness.
Mechanism
Increased metabolism reducing plasma concentrations
Source: NLP:norethindrone acetate and ethinyl estradiol and ferrous fumarate