Medical Dictionary


noun bu·tor·pha·nol \ˌbyüt-ˈȯr-fə-ˌnȯl\

Medical Definition of butorphanol

  1. :  a synthetic analgesic and antitussive opioid drug administered in the form of its tartrate C21H29NO2·C4H6O6 as a nasal spray or by injection especially for the relief of pain—see stadol

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