pentobarbital will reduce the extent or result of fosamprenavir by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Observe.pentobarbital will lower the extent or outcome of cariprazine by affecting hepatic/intestinal enzyme CYP3A4 metabolism.Contraindicated. Coadministration of doravirine with a solid CYP3A inducer may well min