hypersensitivity reaction

Noun
  1. is a type of: hypersensitivity - pathological sensitivity
    subtypes:
    • 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

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