phenobarbital will minimize the level or effect of diazepam buccal by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Observe. Powerful or average CYP3A4 inducers might increase fee of diazepam elimination; as a result, efficacy of diazepam may very well be decreased.Hypnotic doses of barbiturates do not seem to impair uterine ex… Read More