Psoriatic Arthritis vs. Rheumatoid Arthritis: What's the Difference? - Healthgrades

Psoriatic arthritis and rheumatoid arthritis are both autoimmune forms of arthritis that differ by symptoms and who they affect. Learn more.

Arthritis is a broad term covering more than 100 conditions that cause joint pain and swelling. Psoriatic arthritis (PsA) and rheumatoid arthritis (RA) are two of them. While they are both autoimmune… [+6710 chars]

full article...