Efavirenz + Levonorgestrel And Ethinyl Estradiol And Ethinyl Estradiol T Interaction

Moderateinteraction on record

Description

Efavirenz, a non-nucleoside reverse transcriptase inhibitor, may significantly decrease plasma concentrations of estrogen and/or progestin.

Mechanism

CYP3A4 enzyme induction

Source: NLP:levonorgestrel and ethinyl estradiol and ferrous bisglycinate