Levonorgestrelethinyl Estradiol And Ethinyl Estradiol + St Johns Wort Interaction
Majorinteraction on record
Description
Induces hepatic enzymes and p-glycoprotein transporter, reducing contraceptive effectiveness and potentially resulting in unscheduled bleeding.
Mechanism
Induces cytochrome P450 and p-glycoprotein transporter
Source: NLP:levonorgestrel and ethinyl estradiol