Patch Test Removal
By Daniel More, MD, About.com Guide
Updated May 23, 2007
About.com Health's Disease and Condition content is reviewed by our Medical Review Board
The patch tests are removed after 48 hours, and an initial reading of the test site is performed. A test is considered positive if bumps, blisters or swelling are at the individual sites. Usually, redness alone is not a positive test.
Daniel More, MD
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