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    Area of Science:

    • Dermatology
    • Immunology
    • Pathophysiology

    Background:

    • Urticaria is a prevalent skin disorder characterized by wheals and angioedema, affecting 20% of the population acutely and 1% chronically.
    • The condition significantly impairs patients' quality of life due to pruritus, disfigurement, and comorbidities.
    • Mast cells are central to urticaria pathophysiology, releasing mediators like histamine that cause swelling and itching.

    Purpose of the Study:

    • To elucidate the pathophysiology of urticarial wheals for improved therapeutic strategies.
    • To highlight the critical role of mast cells and their mediators in disease manifestation.
    • To review current and potential future treatments for urticaria.

    Main Methods:

    • Review of current understanding of urticaria pathophysiology.
    • Analysis of the role of mast cells and inflammatory mediators.
    • Evaluation of existing and emerging therapeutic approaches.

    Main Results:

    • Mast cell degranulation and mediator release are primary drivers of urticarial symptoms.
    • Non-pharmacological and pharmacological interventions aim to control signs and symptoms.
    • Nonsedating H1-antihistamines are first- and second-line treatments, with other options available for refractory cases.

    Conclusions:

    • Effective management of urticaria requires understanding its underlying pathophysiology, particularly mast cell involvement.
    • Therapeutic goals include rapid and complete symptom relief, primarily addressing pruritus.
    • Advancements in understanding urticaria pathogenesis may lead to novel therapies improving patient outcomes.