How To Prepare For Allergy Testing?

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Allergy tests are any of several tests used to determine the substances to which a person is allergic.

Alternative Names

Patch tests - allergy; Scratch tests - allergy; Skin tests - allergy; RAST test

How the test is performed

There are many methods of allergy testing. Among the more common are:

  • Skin tests
  • Elimination-type tests
  • Blood tests (including the radioallergosorbent, or RAST, test)


Skin tests are the most common. Specific methods vary.

One of the most common methods is the...

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