Pharmacologic Substance
narcotic antagonist
nar·cot·ic an·tag·o·nist [ nahr-kot-ik an-tag-uh-nist ]
Subclass of:
Physiological Effects of Drugs; Central Nervous System Agents; Sensory System Agents
Definitions related to narcotic antagonists:
  • (opiate antagonist) Any agent that binds to or interferes with binding to any of the opioid receptor subtypes, thereby blocking the actions of opioid agonists.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • Class of drugs used to treat opiate drug addiction.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Agents inhibiting the effect of narcotics on the central nervous system.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.