A 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?

A doctor has provided 1 answer

Tuberculosis: You have been exposed to tuberculosis or have been immunized with BCG vaccine. Usually the next step is a chest xray.

Answered 8/7/2018

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Is red dye 40 related to ppd?

A doctor has provided 1 answer