Pentobarbital will minimize the level or impact of ethotoin by impacting hepatic enzyme CYP2C9/ten metabolism. Use Warning/Observe. pentobarbital will reduce the level or result of armodafinil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unidentified. Warning when discontinuing CYP3A4 inducers which have been coadministered with hydrocodone; plasma conc... https://elizabethq690wqm8.wannawiki.com/user