Diseases

Anaphylaxis

An acute hypersensitivity reaction due to exposure to a previously encountered ANTIGEN. The reaction may include rapidly progressing URTICARIA, respiratory distress, vascular collapse, systemic SHOCK, and death.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

An acute hypersensitivity reaction due to exposure to a previously encountered ANTIGEN. The reaction may include rapidly progressing URTICARIA, respiratory distress, vascular collapse, systemic SHOCK, and death.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

See Also

MeSH Record

Synonyms

10 entry terms
  • Anaphylactic Reaction
  • Anaphylactoid Reaction
  • Anaphylactoid Shock
  • Shock, Anaphylactic
  • Anaphylactic Reactions
  • Anaphylactic Shock
  • Anaphylactoid Reactions
  • Reaction, Anaphylactic
  • Reaction, Anaphylactoid
  • Shock, Anaphylactoid

MeSH Record

Aspects Covered

35 allowable subheadings

Indexed with the subheadings blood, cerebrospinal fluid, chemically induced, classification, complications, congenital, diagnosis, diagnostic imaging, diet therapy, drug therapy, economics, embryology, enzymology, epidemiology, ethnology, etiology, genetics, history, immunology, metabolism, microbiology, mortality, nursing, parasitology, pathology, physiopathology, prevention & control, psychology, radiotherapy, rehabilitation, surgery, therapy, urine, veterinary, virology.

MeSH Hierarchy

Tree Number

  1. C20w.543w.480w.099w

MeSH Record

NLM Classification

QW 900

AMA Style

References

  1. National Library of Medicine. Anaphylaxis. Medical Subject Headings (MeSH). 2026. Unique ID D000707. http://id.nlm.nih.gov/mesh/2026/D000707
  2. Anaphylaxis. In: Wikipedia. https://en.wikipedia.org/wiki/Anaphylaxis
  3. Anaphylaxis. In: Wikidata. https://www.wikidata.org/wiki/Q168800