pentobarbital will minimize the level or influence of diazepam buccal by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Observe. Sturdy or moderate CYP3A4 inducers may possibly maximize rate of diazepam elimination; thus, efficacy of diazepam could possibly be diminished.After stopping a CYP3A4 inducer, as the effects with the i