Pentobarbital will decrease the level or effect of alfentanil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown. pentobarbital will decrease the level or effect of zonisamide by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown. pentobarbital will decrease the level or effect of tolterodine by affecting hepatic/intesti... https://hypebookmarking.com/story20086243/dettagli-fiction-e-pentobarbital-euthanasia-for-dogs