Pentobarbital will minimize the level or effect of nitrendipine by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Slight/Importance Unidentified. pentobarbital will decrease the extent or influence of phenytoin by affecting hepatic enzyme CYP2C9/10 metabolism. Use Caution/Monitor. pentobarbital will decrease the level or impact of buprenorphine by impacting hepatic/intestina... https://abbap098emt5.wikissl.com/user