What is the prevalence of nail psoriasis?

Updated: Oct 03, 2019
  • Author: Cindy Li, DO; Chief Editor: William D James, MD  more...
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Answer

Answer

Psoriatic nail disease occurs in 10-55% of all patients with psoriasis, and approximately 7 million people in the United States have psoriasis (psoriasis affects 2-3% of the US population). Less than 5% of psoriatic nail disease cases occur in patients without other cutaneous findings of psoriasis. About 10-20% of people with psoriasis also have psoriatic arthritis, and nail changes are seen in 53-86% of patients with psoriatic arthritis.


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