Pentobarbital will decrease the level or effect of ketoconazole by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown. pentobarbital will decrease the level or effect of buspirone by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. pentobarbital will decrease the level or effect of pantoprazole by affecting hepatic/intestinal e... https://bookmarkproduct.com/story20401163/un-imparziale-vista-pentobarbital-rat-euthanasia