pentobarbital will decrease the level or effect of verapamil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Watch.Monitor Carefully (two)pentobarbital will minimize the extent or result of suvorexant by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Watch. Sturdy CYP3A4 inducers may well lessen suvorexant