Pentobarbital decreases amounts of toremifene by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. CYP3A4 inducers enhance amount of toremifene metabolism, decreasing the regular-point out concentration in serum. pentobarbital will lessen the level or outcome of theophylline by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Watch. pentobar... https://is-nembutal-legal-in-cana94825.collectblogs.com/76279647/not-known-details-about-what-type-of-drug-is-nembutal