posaconazole will increase the amount or influence of diazepam by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Keep track of.iloperidone boosts levels of diazepam by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Watch. Iloperidone is a time-dependent CYP3A inhibitor and may lead to amplified plasma amoun