Pentobarbital will decrease the level or effect of alfentanil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown. pentobarbital will decrease the level or effect of conjugated estrogens, vaginal by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Il pentobarbital è un barbiturico cosa agisce come sedativo ovvero sedativo, us... https://sociallweb.com/story5801762/indicatori-sulla-pentobarbital-de-sodium-si-deve-sapere