Skin test for allergy: Test done on the skin to identify the allergy substance (the allergen) that is triggering the allergic reaction.
A small amount of the suspected allergy-provoking substance is placed on the skin. The skin is then gently scratched through the small drop with a special sterile needle.
If the skin reddens and, more importantly, if it swells, then the test is read as positive and allergy to that substance is considered probable.
Skin testing for allergies is used to identify the substances that are causing your allergy symptoms. Find out how the test is done.
Learn how skin testing for allergies can trigger and identify causes of allergic symptoms and reactions to specific allergens.
Allergy testing involves having a skin or blood test to determine what substance, or allergen, may trigger an allergic response in a person.
Allergy tests â€” Overview covers definition, risks, results of skin tests for allergic sensitivities.
Not sure what to expect on the day of your allergy test? Find out about the most common tests used to diagnose allergy. From skin testing to blood tests, this ...