pentobarbital will lessen the extent or impact of triazolam by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Keep an eye on.pentobarbital will minimize the extent or outcome of aprepitant by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Observe.pentobarbital will decrease the level or effect of etravirine