What is the prognosis for patients with chronic urticaria?
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The prognosis for chronic urticaria in primary care is unknown; studies in dermatology clinics in multiple countries report complete resolution in approximately one-third of patients with idiopathic chronic urticaria over 1 to 5 years and partial improvement in another third. Patients younger than 30 years with more severe symptoms, or symptoms with physical causes, fared less well (strength of recommendation: B, cohort studies).
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