Pentobarbital will lessen the level or effect of etravirine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Keep track of. pentobarbital will decrease the level or impact of theophylline by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Watch. pentobarbital will decrease the level or result of fosaprepitant by impacting hepatic/intestinal enzy... https://milesn765csg2.gynoblog.com/profile