Pentobarbital will decrease the level or effect of trazodone by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Check. pentobarbital will minimize the level or outcome of meloxicam by impacting hepatic enzyme CYP2C9/ten metabolism. Small/Significance Not known. pentobarbital will decrease the extent or result of alfuzosin by affecting hepatic/intestinal enzyme CYP3A... https://marjaneyd110ods6.wikinstructions.com/user