Thelansis

  Chronic spontaneous urticaria (CSU), also called chronic idiopathic urticarial, is characterized by urticaria for six weeks or longer without identifiable specific triggers. The average duration of CSU is frequently reported as five years, but maybe longer in more severe cases, specifically in patients with concurrent angioedema. Patients with chronic urticaria (used as a proxy for CSU) experience the substantial health-related quality of life (HRQoL), productivity impairments, and increased psychological comorbidities relative to patients without chronic urticaria. CSU is the spontaneous development of signs and symptoms with no known specific trigger. CSU and CIndU may coexist in the same patient. Overall, urticaria is classified as acute or chronic form based on the duration of illness. Chronic urticaria is diagnosed when the disease has been continuously or intermittently present for at least six weeks. Urticaria’s regular and acute forms differ in etiology, pathophysiology, and