Allergies
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Test Preparation Completion

By , About.com Guide

Updated May 23, 2007

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The process is repeated for all allergens to be tested. Patch testing may be performed to dozens of allergens, depending on the possible causes of a person's contact dermatitis. Your physician will determine the actual number of tests needed.

Daniel More, MD
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Allergies
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  2. Health
  3. Allergies
  4. Skin Allergies
  5. Contact Dermatitis
  6. Completing the test preparation>

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