A rheumatoid-like arthritis that is associated with psoriasis of the skin.
Psoriasis is a common chronic skin condition that causes red patches on the body.
About 1 in 20 individuals with psoriasis will develop arthritis along with the skin condition. Psoriasis generally precedes the arthritis. The disorder can be exhibited in a variety of ways. The arthritis is generally mild and involves only a few joints. In a few people, the disease is severe and usually affects the fingers and the spine.