Conditions That Mimic Rheumatoid Arthritis
Many conditions have similar symptoms to rheumatoid arthritis, which can make the right diagnosis challenging. Knowing the similarities and differences could help you get the treatment you need.
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Though psoriatic arthritis has many similar symptoms as RA, including pain, swelling and stiffness of the joints, there are several differences. First of all, 85 percent of people who develop PA have psoriasis first. Psoriasis is not a comorbid condition of RA. PA also has more asymmetric joint invovlement and no nodules, among other things.