Herbal Information For You
Allergy testing can be very quick or very time consuming. Tests are needed to determine which allergen may be causing a reaction. After an allergy report is obtained the health care provider can then recommend an allergy treatment.
Skin prick tests are the most common form
of testing. A selected allergen is applied to the forearm or the back and
the skin is gently pricked. A red flare on the skin will appear within 20
minutes to prove the allergy.
Another form of testing is patch tests.
Patches with particular substances are applied to the back in strips. The
area is examined after a few days. Positive results will show as redness
at the site.
Another type of testing is an elimination
diet and challenge testing. The diet is used to isolate foods that can be
causing an allergic reaction. This diet can last several weeks and the
patient must avoid foods identified as common causes of food allergy. If
symptoms improve allergen known foods are added one at a time until
symptoms recur. This reintroduction of allergen known foods is known as
challenge testing. This diet must be performed under medical supervision
and a careful diary is needed to track symptoms
Reactions to testing like anaphylaxis can be life threatening. A qualified health professional should perform all tests so that they can anticipate and treat any allergic reactions.
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