Skin test for allergy

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Medical Definition of Skin test for allergy

Skin test for allergy: A test in which a small drop of the suspected allergy-provoking substance (allergen) is placed on the skin and the skin is then gently scratched through the drop with a sterile needle. If the skin reddens and, more importantly, if it swells, the test is read as positive, and allergy to that substance is considered probable.


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Reviewed on 7/1/2016

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