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World Allergy Organization
WAO's mission: To be a global resource and advocate in the field of allergy, advancing excellence in clinical care through education, research and training as a world-wide alliance of allergy and clinical immunology societies.

Disease Summaries

Skin Prick Test

Allergy skin prick test
An Allergy Skin Prick Test
A small drop of an allergen solution is placed on the inner arm, and a needle is used to gently prick the skin underneath the solution.
Skin prick test results
A Positive Allergy Skin Prick Test
If the patient is allergic to one or more of the allergens tested, the skin on the arm will develop a raised, itchy area with surrounding redness.