Pentobarbital will decrease the extent or effect of levamlodipine by influencing hepatic/intestinal enzyme CYP3A4 metabolism. pentobarbital will lower the extent or result of amiodarone by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Keep an eye on. pentobarbital will lower the extent or impact of tacrolimus by impacting hepatic/intestinal enzyme CYP3A4 metabol... https://johnl306uwx6.ttblogs.com/profile