pentobarbital will lessen the extent or impact of saxagliptin by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Importance Unidentified.pentobarbital will lessen the extent or influence of theophylline by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Watch.pentobarbital will minimize the extent or impact of tacrol… Read More