Pentobarbital will reduce the extent or outcome of etravirine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Watch. pentobarbital will reduce the extent or effect of buprenorphine by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Watch. pentobarbital will decrease the level or impact of abiraterone by affecting hepatic/intestinal enzyme CYP3A... https://stephenyqhyn.eedblog.com/34982904/the-basic-principles-of-dog-pentobarbital