pentobarbital will lower the extent or result of doxorubicin by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Observe.pentobarbital will reduce the level or impact of dasatinib by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Keep an eye on.pentobarbital will reduce the extent or effect of diltiazem by