pentobarbital will reduce the extent or impact of ethotoin by influencing hepatic enzyme CYP2C9/ten metabolism. Use Caution/Keep an eye on.pentobarbital will lessen the level or effect of theophylline by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Keep an eye on.Observe Intently (1)pentobarbital will minimize the extent or im