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of a solution containing a possible allergen is placed on the skin. Then a
series of scratches or needle pricks lets the solution enter the skin. If the
skin gets a red, raised itchy area (called a wheal), it usually means that the
person is allergic to that allergen.
ByHealthwise StaffPrimary Medical ReviewerE. Gregory Thompson, MD - Internal MedicineSpecialist Medical ReviewerRohit K Katial, MD - Allergy and Immunology
Current as ofMarch 12, 2014
Current as of:
March 12, 2014
E. Gregory Thompson, MD - Internal Medicine & Rohit K Katial, MD - Allergy and Immunology
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