Psoriatic arthritis is an autoimmune disease where the immune system attacks the joints and skin, causing inflammation. It typically occurs in individuals who have psoriasis, a condition characterised by red, scaly patches on the skin. PsA can cause joint pain, swelling, and stiffness, and, if left untreated, may lead to permanent joint damage. Early diagnosis and treatment are crucia... https://www.expertmarketresearch.com/reports/psoriatic-arthritis-treatment-market