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A member asked:
I had the injection done for my mantoux reading and after a few hours the bubble is gone... does this mean the test is negative?
A doctor has provided 1 answer
TB Testing : Nope. Not in any way. There is nothing to read or react to until 48 hours after the injection. Just ignore it until it is time to be read which is between 48 and 72 hours after it was placed in your arm.
Answered 12/4/2013
4.7k views
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