Pharmacologic Substance
thebaine
[ thee-buh-een, thi-bey-een, -in ]
Subclass of:
Morphine Derivatives Including Cocaine
Definitions related to thebaine:
  • A drug that is derived from opium, which contains from 0.3-1.5% thebaine depending on its origin. It produces strychnine-like convulsions rather than narcosis. It may be habit-forming and is a controlled substance (opiate) listed in the U.S. Code of Federal Regulations, Title 21 Part 1308.12 (1985). (From Merck Index, 11th ed)
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • An alkaloid opiate that is used as an intermediate in the biosynthesis of other opioids.
    NCI
    U.S. National Cancer Institute, 2021
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