Pentobarbital will reduce the level or influence of pimozide by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minimal/Significance Unknown. pentobarbital will increase toxicity of methoxyflurane by rising metabolism. Contraindicated. Elevated metabolism of methoxyflurane to nephrotoxic compounds. pentobarbital will minimize the level or influence of ketoconazole by influencin... https://45listing.com/story21892116/5-tips-about-how-to-order-nembutal-powder-online-you-can-use-today