scratch test









scratch test


noun

  1. a test for a suspected allergy in which the skin is scratched and an allergen applied to the area, redness indicating a positive reaction.

noun

  1. med a skin test to determine allergic sensitivity to various substances by placing the allergen to be tested over an area of lightly scratched skin. A positive reaction is typically indicated by the formation of a weal

n.

  1. A test for allergy performed by scratching the skin and applying an allergen to the wound.
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