Psoriatic arthritis is a combination of psoriasis and arthritis symptoms. You may have skin and nail changes, joint pain and ...

Having psoriasis raises your risk of psoriatic arthritis — and rheumatoid arthritis, too. Make sure you can tell these two forms of arthritis apart.

Approximately 60% to 85% of patients who develop psoriatic arthritis will have first developed psoriasis. Blocking IL-23 may block other proinflammatory cytokines implicated in psoriasis.