Chemicals and Drugs

Illicit Drugs

Drugs that are manufactured, obtained, or sold illegally. They include prescription drugs obtained or sold without prescription and non-prescription drugs. Illicit drugs are widely distributed, tend to be grossly impure and may cause unexpected toxicity.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Drugs that are manufactured, obtained, or sold illegally. They include prescription drugs obtained or sold without prescription and non-prescription drugs. Illicit drugs are widely distributed, tend to be grossly impure and may cause unexpected toxicity.

MeSH Record

Classification

Narrower headings

Related Concepts

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MeSH Record

See Also

MeSH Record

Synonyms

19 entry terms
  • Drugs, Illegal
  • Illegal Drug
  • Illegal Drugs
  • Illicit Drug
  • Drug, Illegal
  • Drug, Illicit
  • Drugs, Illicit
  • Club Drug
  • Club Drugs
  • Recreational Drug
  • Recreational Drugs
  • Street Drug
  • Street Drugs
  • Drug, Club
  • Drug, Recreational
  • Drug, Street
  • Drugs, Club
  • Drugs, Recreational
  • Drugs, Street

MeSH Record

Aspects Covered

22 allowable subheadings

Indexed with the subheadings adverse effects, agonists, analysis, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, economics, history, immunology, isolation & purification, legislation & jurisprudence, metabolism, pharmacokinetics, pharmacology, poisoning, radiation effects, standards, supply & distribution, toxicity, urine.

MeSH Record

Indexing Annotation

coordinate with specific drug or chemical

MeSH Record

History Note

2020 (1977); use DRUGS 1977-1986

MeSH Record

Previous Indexing

  • Drug and Narcotic Control (1968-1976)
  • Substance Abuse (1968-1976)

MeSH Hierarchy

Tree Number

  1. D26.878w

AMA Style

References

  1. National Library of Medicine. Illicit Drugs. Medical Subject Headings (MeSH). 2026. Unique ID D013287. http://id.nlm.nih.gov/mesh/2026/D013287
  2. Illicit Drugs. In: Wikipedia. https://en.wikipedia.org/wiki/Illegal_drugs
  3. Illicit Drugs. In: Wikidata. https://www.wikidata.org/wiki/Q10268802