Withdrawal indications come about in infants born to moms who obtain barbiturates through the final trimester of pregnancy pentobarbital will reduce the level or influence of theophylline by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Observe. pentobarbital will minimize the level or effect of tamoxifen by influencing hepatic/intestinal enzyme CYP3A4 metabolism. https://isnembutaladepressant76159.wssblogs.com/31021504/an-unbiased-view-of-what-type-of-drug-is-nembutal