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A member asked:
What disease does it test for when they inject fluid into your arm to see if the bump goes down or not?
5 doctors weighed in across 2 answers
PPD for TB: This sounds like a test for tuberculosis. Purified protein derivative is a marker for infection with tb. It is injected under the skin. If you have TB or have been exposed to tb, the area around the injection turns red and swells.
Answered 8/1/2019
6.2k views
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Tuberculosis?: The tuberculin or PPD test checks for level of deep induration to determine one's Tuberculosis status.
Answered 8/1/2019
150 views
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