Pentobarbital will decrease the level or result of fesoterodine by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Keep track of. Barbiturates usually do not impair standard hepatic function, but have been proven to induce liver microsomal enzymes, Consequently rising and/or altering the metabolism of barbiturates and various drugs. (See “DRUG INTERACTIONS” https://tysonwyrol.pages10.com/the-smart-trick-of-buy-nembutal-pills-online-that-nobody-is-discussing-71224651