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 loratadine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. pentobarbital will decrease the level or effect of bexarotene by affecting hepatic/intestinal en... https://linkingbookmark.com/story20200918/dettagli-fiction-e-pentobarbital-euthanasia-for-dogs