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A member asked:
I got a tb skin test today at 10:00 a.m. and its now 1:35 and its bruised where it was put in but no swelling or rash, what does that mean?
2 doctors weighed in across 2 answers
Normal: Probably the needle hit a small blood vessel. It is not that unusual and does not mean you have TB or at risk for tb. Go back and get a recheck as scheduled to evaluate for tb.
Answered 6/10/2014
5.5k views
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Not done well: Bruising from a tuberculin test means that it was not administered correctly. There should be no bleeding or bruising in a properly placed skin test.
Answered 11/14/2012
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