pentobarbital will lessen the level or impact of triazolam by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Check.Contraindicated (1)pentobarbital will lower the extent or effect of lumacaftor/ivacaftor by affecting hepatic/intestinal enzyme CYP3A4 metabolism.pentobarbital will reduce the extent or effect of verapamil by impa