Pentobarbital will decrease the level or effect of budesonide by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. pentobarbital will decrease the level or effect of vincristine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown. pentobarbital will decrease the level or effect of cevimeline by affecting hepatic/intestinal enz... https://hotbookmarkings.com/story20313968/un-imparziale-vista-pentobarbital-rat-euthanasia