If a person experiences joint pain and tests positive for an antinuclear antibody (ANA) test, this may suggest the presence of an underlying condition causing joint problems and discomfort. An ANA ...

Stress isn’t usually the direct cause of a positive ANA test, but it can influence the immune system, potentially exacerbating symptoms in those with autoimmune disorders. If you have symptoms like ...

An ANA blood test (antinuclear antibody test) is usually performed on a blood sample as part of the diagnostic process for certain autoimmune diseases. It is usually ordered along with other blood ...

Many different lab tests are used to find changes in your body that can happen with lupus. The results of each test help your doctor get a fuller picture of your health. Because lab tests alone can’t ...