Definitions of hypersensitivity

n extreme sensitivity

Type of:
sensibility, sensitiveness, sensitivity
(physiology) responsiveness to external stimuli; the faculty of sensation

n pathological sensitivity

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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
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
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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