Pentobarbital will lessen the extent or effect of armodafinil by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Slight/Importance Unknown. pentobarbital will decrease the level or result of verapamil by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Keep track of. pentobarbital will lower the level or impact of fruquintinib by affecting hepatic/intestin... https://cateo099kxj3.wikilinksnews.com/user