Chronic Spontaneous Urticaria Market
Chronic spontaneous urticaria (CSU), also called chronic idiopathic urticaria, involves recurrent hives lasting six weeks or longer. It causes red, swollen, itchy, sometimes painful wheals. Nearly half of cases relate to autoimmunity, while others remain idiopathic. CSU describes chronic urticaria arising internally without identifiable external physical triggers or known causes.
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