dextromethorphan


dex·tro·me·thor·phan

noun \ˌdek-strō-mi-ˈthr-ˌfan\

Definition of DEXTROMETHORPHAN

: a nonaddictive cough suppressant that is widely used especially in the form of its hydrobromide C18H25NO·HBr in over-the-counter cough and cold preparations and is a codeine analog of levorphanol lacking the analgesic properties of codeine and producing little or no depression of the central nervous system

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