The only way to treat your allergy symptoms is to determine exactly what is causing them. This is done through a series of allergy tests.
What Is a Skin Prick Test?
A skin prick test is the most common form of allergy testing. This test involves placing a small drop of an allergen extract on your skin. A needle is then used to prick the skin underneath the drop; this allows for a small amount of solution to enter just below the surface of the skin. After 15 minutes, any swelling or redness is measured and, depending on the size, is considered a positive reaction.
An intradermal skin test is completed next. An intradermal wheal, or bleb, is injected directly under the top layer of skin. After 15 minutes any reactions are measured and classified as either positive or negative.
How Does a Blood Test Work?
A blood test is used to measure how much of an allergen-specific antibody, called immunoglobulin E (IgE), is in your blood. The more allergen specific IgE in your blood, the more likely you are to be allergic. Blood tests are typically used to confirm the results of a skin test; they may also be used in lieu of skin tests if a serious allergy makes skin testing unsafe.
Call Willamette ENT & Facial Plastic Surgery at (503) 581-1567 for more information or to schedule an appointment.
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