St. John'S Wort + Norethindrone And Ethinyl Estradiol Interaction
Moderateinteraction on record
Description
Herbal product that induces CYP3A4 and may decrease plasma concentrations of norethindrone and ethinyl estradiol, potentially diminishing contraceptive effectiveness.
Mechanism
CYP3A4 induction
Source: NLP:norethindrone and ethinyl estradiol