Get tb bood assay: Have a TB blood assay performed---these are more accurate for screening for TB compared to PPD especially when on is on immunosuppressants like prednisone.
Answered 6/10/2014
5.2k views
Zero: Lupus does not cause falsely positive ppds. If the PPD is positive, have a quantiferon gold test for tb. This is more accurate.
Answered 2/24/2017
5.2k views
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