A member asked:

What can cause a positive ppd test reading?

A doctor has provided 1 answer
Dr. Christine Hom answered

Specializes in Pediatrics

Mycobacteria: Tuberculosis and other members of the same family, some less severe. There are also "positives" that aren't true in duration - like an allergic reaction at the site within minutes of ppd placement.

Answered 10/9/2015

2.2k views

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