Definition of Hypersensitivity reaction

1. Noun. An inappropriate and excessive reaction to an allergen (as pollen or dust or animal hair or certain foods); severity ranges from mild allergy to severe systemic reactions leading to anaphylactic shock.

Specialized synonyms: Hives, Nettle Rash, Urticaria, Urtication, Allergic Reaction, Allergy, Anaphylaxis, Allergic Rhinitis
Generic synonyms: Hypersensitivity

Medical Definition of Hypersensitivity reaction

1. The bodys response to an allergic stimulus. This can be localised to one area or generalised and may include: rash, itching, hives, swelling, difficulty breathing, and/or low blood pressure. (27 Sep 1997)

Lexicographical Neighbors of Hypersensitivity Reaction

hypersecretion
hypersecretions
hypersecretion glaucoma
hypersegmented neutrophil
hypersensitised
hypersensitive
hypersensitiveness
hypersensitive dentin
hypersensitive response
hypersensitive site
hypersensitive xiphoid syndrome
hypersensitivity
hypersensitivity
hypersensitivity pneumonitis
hypersensitivity reaction (current term)
hypersensitivity reaction (current term)
hypersensitivity vasculitis
hypersensitization
hypersensitize
hypersensitized
hypersensitizes
hyperserotonaemia
hypersexual
hypersexuality
hyperskeocytosis
hypersomatotropism
hypersomnia
hypersomnia
hypersomnolence
hypersonic

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