Levonorgestrelethinyl Estradiol And Ethinyl Estradiol + Efavirenz Interaction
Moderateinteraction on record
Description
Metabolic enzyme inducer that may decrease plasma concentrations of levonorgestrel and ethinyl estradiol, potentially diminishing contraceptive effectiveness or increasing breakthrough bleeding.
Mechanism
Enzyme induction
Source: NLP:levonorgestrel and ethinyl estradiol