Pentobarbital will decrease the level or effect of fostemsavir by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Contraindicated. pentobarbital will decrease the level or effect of fosamprenavir by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. pentobarbital will decrease the level or effect of aripiprazole by affecting hepatic/intestinal enzyme CY... https://nanobookmarking.com/story20215796/pentobarbital-vs-phenobarbital-una-panoramica