Psoriasis is a common, inherited skin condition that causes grayish-white scaling over a pink or dull-red skin rash. However, the disease can also occur in children. Most people have mild symptoms, but in some cases, the symptoms can be quite severe. Psoriasis can develop before or after the arthritis, but psoriasis develops first in about 75 of cases. In some cases, musculoskeletal infections may be more insidious and subtle in onset. Psoriatic arthritis with or without psoriasis occurs in HIV-infected persons. Many patients with psoriatic skin manifestations or onycholysis have only these musculoskeletal findings and do not meet the criteria for a diagnosis of psoriatic arthritis. In many patients, symptoms of psoriasis precede the arthritis symptoms; a clue to possible joint disease is pitting and other changes in the fingernails. Both the skin and joint symptoms will come and go; there is no clear relationship between the severity of the psoriasis symptoms and arthritis pain at any given time. In some cases, the course of the arthritis can be far more mutilating than in rheumatoid arthritis. The doctor said that this can happen but usually the psoriasis is before the arthritis.
Most pronounced on movement, it also occurs at rest, after exercise, and at night.
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