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 meloxicam by affecting hepatic enzyme CYP2C9/10 metabolism. Minor/Significance Unknown. When barbiturates like Nembutal are abused, they are not usually the primary drug of abuse. Like https://bookmarkforest.com/story20231228/un-arma-segreta-per-pentobarbital-de-sodium