pentobarbital will lessen the extent or impact of ethotoin by affecting hepatic enzyme CYP2C9/ten metabolism. Use Caution/Observe.pentobarbital will lower the extent or impact of eletriptan by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Keep track of.pentobarbital will lessen the level or impact of vincristine liposomal by af