Levonorgestrel And Ethinyl Estradiol And Ferrous Fumarate + Rifabutin Interaction
Moderateinteraction on record
Description
Induces CYP3A4, may decrease plasma concentrations of COCs and diminish effectiveness or increase breakthrough bleeding.
Mechanism
CYP3A4 induction
Source: NLP:norethindrone and ethinyl estradiol and ferrous fumarate