| dextromethorphan | <chemical> The d-isomer of the codeine analog of levorphanol. It acts on the medullary cough centre to suppress cough but does not have the addictive, analgesic, and sedative effects of codeine and does not produce respiratory depression at usual doses. Pharmacological action: antitussive agents. Chemical name: Morphinan, 3-methoxy-17-methyl-, (9alpha,13alpha,14alpha)- (12 Dec 1998) |
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| dextromethorphan hydrobromide | Hydrobromide of d-racemethorphan; d-3-methoxy-N-methylmorphinan hydrobromide;a synthetic morphine derivative used as an antitussive agent. It has weak central depressant action, and appears to have little addiction liability. (05 Mar 2000) |
| dextromethorphan O-demethylase | <enzyme> Cytochrome p450iid6 is the specific cytochrome used for the enzymatic reaction Registry number: EC 1.- (26 Jun 1999) |