Allergy
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Chronic urticaria (CU) is a debilitating skin disorder that affects patients' health related quality of life and the only questionnaire prepared specifically to CU is the Chronic Urticaria Quality of Life Questionnaire (CU-Q(2)oL). ⋯ The CU-Q(2)oL Brazilian portuguese version was easily filled out, well accepted by the patients, demonstrated an acceptable validity and reliability and might be used to evaluate treatment outcomes and in clinical research.