Pentobarbital will decrease the level or effect of prednisone by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. pentobarbital will decrease the level or effect of nateglinide by affecting hepatic enzyme CYP2C9/10 metabolism. Use Caution/Monitor. pentobarbital will decrease the level or effect of alosetron by affecting hepatic/intestinal enzyme CYP3A4 metab... https://mediajx.com/story24954608/poco-conosciuto-fatti-circa-pentobarbital-natrium