Disease State
Psoriasis can develop into psoriatic arthritis in about one-third of people. However, it is unclear why some patients with psoriasis will progress to psoriatic arthritis while others do not. The table below shows the similarities and differences between them.

References
- Pap T, et al. Z Rheumatol. 2017;doi: 10.1007/s00393-017-0342-0.
- Psoriasis. https://www.cdc.gov/psoriasis/index.htm. Accessed December 6, 2021.
- Psoriasis vs Psoriatic Arthritis: What’s the Difference?. https://www.hss.edu/playbook/psoriasis-vs-psoriatic-arthritis-whats-the-difference/. Published August 30, 2019. Accessed December 6, 2021
- The Link Between Psoriatic Arthritis and Psoriasis. https://www.webmd.com/arthritis/psoriatic-arthritis/link-between-psoriasis-and-psoriatic-arthritis. Published May 17, 2021. Accessed December 6, 2021.