Pentobarbital decreases levels of amphotericin B deoxycholate by inhibition of GI absorption. Applies only to oral form of both agents. Minor/Significance Unknown. pentobarbital will decrease the level or effect of diclofenac by affecting hepatic enzyme CYP2C9/10 metabolism. Minor/Significance Unknown. pentobarbital decreases effects of sufentanil SL by affecting hepatic/intestinal en... https://socialbuzzmaster.com/story5952101/the-ultimate-guide-to-pentobarbital-de-sodium