fosaprepitant will raise the level or effect of diazepam by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Monitor.diazepam will enhance the amount or outcome of tazemetostat by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Watch.iloperidone boosts amounts of diazepam by influencing hepatic/intestinal enzy