Use Caution/Keep an eye on. Ethinyl estradiol may perhaps inhibit the clearance of benzodiazepines that endure oxidation, thus growing serum concentrations of concomitantly administered benzodiazepines.conivaptan will raise the amount or impact of diazepam by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.Use Warning/Kee