phenobarbital will reduce the extent or outcome of diazepam buccal by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Observe. Sturdy or moderate CYP3A4 inducers may perhaps raise amount of diazepam elimination; thus, efficacy of diazepam can be lowered.Could cause CNS despair, causing physical and mental impairment; warning clie