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Knee pain

What causes anemia and knee pain? 1 possible condition

We could not identify "pale complexion" as a symptom in Symptom Search.
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See a list of possible causes in order from the most common to the least.


Rheumatoid Arthritis Overview

Rheumatoid arthritis (RA) is an autoimmune disease, a disease in which the immune system mistakes the body's own cells for invaders. In RA, the immune system attacks the synovia, the membranes lining the joints.

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