Tea-induced chronic urticaria: A case report and review of the literature

Sir, Urticaria is an immunologically mediated hypersensitivity reaction developing in both sexes. Although it may occur at any age, young females are more frequently affected [1]. Acute urticaria, shorter than six weeks, generally self-limited. In contrast, a patient with urticaria lasting weeks classified as having chronic urticaria. Patients be into either inducible or spontaneous (CSU). true IgE allergic non-IgE pseudo-allergic by releasing prostaglandins and leukotrienes [2]. A routine test usually includes CBC, ESR, infection screening. Provocation tests for physical immunological performed to identify autoimmune Skin prick oral provocation employed differentiate reactions [3]. contrast which the triggering stimuli easy identify, often cumbersome determine trigger of The following case represents example such hidden CSU.