pentobarbital will reduce the extent or impact of triazolam by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.pentobarbital will lower the extent or result of ixabepilone by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Keep track of.pentobarbital will reduce the level or result of montelukast by