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Psoriatic Arthritis (PsA): Quick Links
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Diagnosing psoriatic arthritis can be difficult because it often mimics other conditions. PsA can develop over a long period of time, or it can appear quite suddenly. However, it occurs most often in adults between 30 and 50 years old. Although psoriasis can occur in children, psoriatic arthritis is rare in children.

A rheumatologist is typically the kind of specialist that will diagnose PsA. A diagnosis is usually made through the process of elimination. It entails a medical examination and possibly blood and / or joint fluid tests as well as x-rays.

Medical Exam
A doctor will review medical history, since PsA has a strong hereditary component. Because PsA can mimic conditions such as gout, reactive arthritis and rheumatoid arthritis, blood tests and joint fluid tests may be made to eliminate the possible diagnosis of these other conditions. X-rays might be taken in order to look for changes in the bone.

A diagnosis of psoriatic arthritis can be made more easily if there is active psoriasis as well as swollen fingers or toes. If nail involvement is apparent as well as your joints and the skin, then a firm diagnosis of PsA can commonly be made.

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