Non interventional study collecting patient reported outcomes. The study aims to assess the disease burden of chronic urticaria patients and to record the therapies used in daily clinical practice in the UK and the impact they have on the quality of life and work productivity of individual patients.

Inclusion Criteria:

Subjects must be 18 years old Subject must be willing and able to provide written informed consent for collection and analysis of routine data and PROs Subject must have medically confirmed diagnosis of chronic urticaria present for more than 2 months.

Subject must be refactory to at least one H1 antihistamine

Exclusion Criteria:

Subjects who in the estimation of the treating physician are unlikely to be available for the full duration of the follow-up period of 24 months.

Subjects taking must not take part in any other concurrent urticarial study.

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Chronic Urticaria Patients