Pentobarbital will decrease the level or influence of indinavir by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Check. pentobarbital will lessen the extent or impact of tamoxifen by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Keep an eye on. pentobarbital will reduce the level or influence of dexamethasone by impacting hepatic/intestina... https://nembutalandseconalareboth39371.targetblogs.com/31561099/detailed-notes-on-what-kind-of-drug-is-nembutal