What is the difference between PsA and Pso?

What is the difference between PsA and Pso?

Psoriasis, or Pso, is a condition caused by an imbalance (something going wrong) in the immune system, and usually affects the skin.[1] About 30% of people with Pso develop psoriatic arthritis, or PsA,[1][2] which affects the joints and skin.[1] It’s particularly likely if you have nail psoriasis, although it can appear before or at the same time as Pso.[3][4] With PsA, joints, e.g. those in the feet or hands (called enthesitis and dactylitis), amongst others, may become stiff, swollen, fatigued and painful, limiting movement, and causing permanent damage if left untreated.[5] PsA can affect people of any age, but usually starts between 30 and 50 and affects men and women equally.[5][6]

PsA can cause lasting problems,[5] so if you have any concerns about your symptoms or treatment, be sure to speak to your healthcare professional. We have some handy tips for making the most of the time with your doctor.

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References

National Institute for Clinical Excellence. Psychosis and schizophrenia in adults: prevention and management. 2014. CG178.
APA Clinical Guidelines. American Psychiatric Association. Practice Guidelines for the treatment of patients with schizophrenia. 2004.
Harrigan et al. Psychol Med 2003; 33: 97–110.
Bottlender et al. Schizophr Res 2003; 62: 37–44.
Weiden et al. Psychiatr Serv 2004; 55: 886–891.
Robinson et al. Arch Gen Psychiatry 1999; 56: 241–247.
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