hypersensitivity

Definitions of hypersensitivity
  1. noun
    extreme sensitivity
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    type of:
    sensibility, sensitiveness, sensitivity
    (physiology) responsiveness to external stimuli; the faculty of sensation
  2. noun
    pathological sensitivity
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    types:
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    cryaesthesia, cryesthesia
    hypersensitivity to cold
    hypersensitivity reaction
    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
    intolerance
    inability to properly absorb or digest a drug, food, or other substance
    hives, nettle rash, urticaria, urtication
    an itchy skin eruption characterized by weals with pale interiors and well-defined red margins; usually the result of an allergic response to insect bites or food or drugs
    allergic reaction, allergy
    hypersensitivity reaction to a particular allergen; symptoms can vary greatly in intensity
    anaphylaxis
    hypersensitivity reaction to the ingestion or injection of a substance (a protein or drug) resulting from prior contact with a substance
    allergic rhinitis
    rhinitis caused by an allergic reaction
    type of:
    predisposition, sensitivity
    susceptibility to a pathogen
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