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US Patent 4,454,140: Nasal administration of dextromethorphan

US Patent 4,454,140: Nasal administration of dextromethorphan

  1. Paracelsus
    Patent from 1984.

    Contains data on pharmacokinetics of DXM in dogs (oral, nasal, i.v.).

    ABSTRACT: The invention relates to a novel method of administering dextromethorphan, a known anti-tussive agent used for the suppression of coughs due to colds and allergies. The novel method utilizes dosage forms of dextromethorphan which are adapted for nasal administration