A 31-year-old member asked:
What does it mean if i had a positive ppd test and now the place looks like a blister with a red ring around it?
1 doctor answer • 3 doctors weighed in
Dermatology 59 years experience
Tuberculosis: You have been exposed to tuberculosis or have been immunized with BCG vaccine. Usually the next step is a chest xray.
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Last updated Aug 7, 2018
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