Pentobarbital will decrease the level or effect of vinblastine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown. pentobarbital will decrease the level or effect of diclofenac by affecting hepatic enzyme CYP2C9/10 metabolism. Minor/Significance Unknown. pentobarbital will decrease the level or effect of tinidazole by affecting hepatic/intestinal enzy... https://ok-social.com/story5833995/considerazioni-da-sapere-su-pentobarbital-half-life