Pentobarbital will reduce the extent or effect of nitrendipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minimal/Importance Unfamiliar. pentobarbital will decrease the extent or effect of atazanavir by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Importance Unfamiliar. pentobarbital will lower the level or outcome of quinidine by impacting hepatic/int... https://andreseulak.diowebhost.com/86115910/a-review-of-is-nembutal-a-pill