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A member asked:
How long would it take for tb test marks to go away? mine came back neg but the mark went from unremarkable to large and red after 4 days now. thx.
A doctor has provided 1 answer
TB Test: there can be several reasons why a TB test takes longer to reactt..If you do have a large reaction as you describe you should go back to your doctors office to show it to them as theymay decide it is a delayed positive test
Answered 8/1/2018
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