To overview: Information from the divisions New in­for­ma­tion in the best­ic code sys­tems All information at a look New in­for­ma­tion in the highest­ic Phar­ma­covig­i­lance New in­for­ma­tion in the top­ic clin­i­cal tri­als New in­for­ma­tion in the highest­ic medic­i­nal prod­ucts New in­for­ma­tion in the top­i

Given that dextromethorphan is definitely an optical isomer with the Program II opiate levomethorphan (but does not act like an opiate), an exemption was required to keep it an uncontrolled substance. The Federal Analog Act won't apply to dextromethorphan simply because a completely new drug application is submitted for it.[citation needed]Dextrome