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 amiodarone by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. pentobarbital will decrease the level or effect of alosetron by affecting hepatic/intestinal enzym... https://socialdummies.com/story5240353/indicatori-sulla-pentobarbital-de-sodium-si-deve-sapere