Butabarbital will decrease the level or effect of doravirine by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Contraindicated. butabarbital will lessen the level or effect of carvedilol by influencing hepatic enzyme CYP2C9/ten metabolism. Use Warning/Keep track of. butabarbital will decrease the level or outcome of hydrocortisone by impacting hepatic/intestinal enzyme CYP3A... https://greatv468vwx1.thebindingwiki.com/user