Butabarbital will minimize the level or result of doravirine by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Contraindicated. butabarbital will reduce the level or result of glecaprevir/pibrentasvir by affecting hepatic/intestinal enzyme CYP3A4 metabolism. butabarbital will reduce the extent or outcome of ritonavir by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Us... https://emperorg022xks8.loginblogin.com/profile