Psoriatic arthritis causes inflammation and stiffness in the soft tissue around joints, and it frequently involves the fingers and toes. Other parts of the body can be affected as well, including the wrists, neck, lower back, knees and ankles. In severe cases, psoriatic arthritis can be destructive to joints and disabling. For the most part, people with psoriasis function normally. Sometimes people experience low self-esteem because psoriasis is unsightly.
Psoriasis is often misunderstood by the public, which can make social interactions awkward.
This may lead to emotional problems such as anxiety, anger, embarrassment and depression. Psoriasis can affect the type of work people do if it is visible. Psoriasis is a chronic illness that, in many cases, requires continuous treatment. The cost of medications and visits to the doctor are ongoing. Severe cases may require periods of hospitalization.