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Urticaria and angioedema.

Ernest N Charlesworth1

  • 1Dept. of Dermatology and Allergy, Shannon Clinic, 215 East College Ave., San Angelo, TX 76903, USA.

Allergy and Asthma Proceedings
|December 13, 2002
PubMed
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Urticaria and angioedema require distinct diagnostic approaches. This review clarifies their differential diagnosis, pathogenic mechanisms, and management, emphasizing urticaria as a symptom.

Area of Science:

  • Dermatology
  • Allergy and Immunology
  • Internal Medicine

Background:

  • Urticaria and angioedema present complex diagnostic challenges.
  • Differentiating between urticaria with angioedema and isolated angioedema is crucial for accurate diagnosis and treatment.
  • Understanding the underlying mechanisms is key to managing these conditions effectively.

Purpose of the Study:

  • To provide a comprehensive overview of urticaria and angioedema.
  • To focus on differential diagnosis and pathogenic mechanisms.
  • To discuss the role of mast cells, autoimmunity, and food allergy in chronic urticaria, along with work-up and treatment strategies.

Main Methods:

  • Literature review.
  • Analysis of pathogenic mechanisms including mast cell involvement.

Related Experiment Videos

  • Exploration of potential autoimmune basis and role of food allergy.

    • Main Results:

    • Urticaria and angioedema necessitate different diagnostic pathways.
    • Mast cell degranulation plays a significant role.
    • Autoimmune factors and food allergies may contribute to chronic urticaria.

    Conclusions:

    • Urticaria should be viewed as a symptom, not an isolated disease.
    • Thorough medical history and physical examination are paramount for diagnosis.
    • Effective management requires a clear understanding of the differential diagnosis and underlying pathophysiology.