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Hypersensitivity, Immediate MeSH Descriptor Data 2025


MeSH Heading
Hypersensitivity, Immediate
Tree Number(s)
C20.543.480
Unique ID
D006969
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D006969
Annotation
/chem ind: coord with DRUG HYPERSENSITIVITY or specifics
Scope Note
Hypersensitivity reactions which occur within minutes of exposure to challenging antigen due to the release of histamine which follows the antigen-antibody reaction and causes smooth muscle contraction and increased vascular permeability.
Entry Term(s)
Atopic Hypersensitivity
Hypersensitivity, Atopic
Hypersensitivity, Type I
IgE-Mediated Hypersensitivity
Type I Hypersensitivity
NLM Classification #
QW 900
See Also
Latex Hypersensitivity
Public MeSH Note
66
History Note
66(65)
Date Established
1966/01/01
Date of Entry
1999/01/01
Revision Date
2012/07/03
Hypersensitivity, Immediate Preferred
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