pentobarbital will lessen the level or outcome of theophylline by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.pentobarbital will lower the level or result of aprepitant by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Watch.pentobarbital will reduce the level or outcome of norgestrel by affecting … Read More