pentobarbital will reduce the extent or impact of zaleplon by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Insignificant/Significance Unknown.pentobarbital will decrease the extent or effect of norgestrel by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Monitor Intently. Moderate CYP3A4 inducers may possibly less… Read More