pentobarbital will reduce the level or result of ritonavir by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Keep track of.pentobarbital will lessen the level or impact of doxorubicin liposomal by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Keep an eye on.pentobarbital will decrease the extent or impact