Urticaria and Angioedema
Differential Diagnosis
Urticaria and angioedema are dermatological conditions requiring precise diagnosis and tailored treatment approaches.
Urticaria and Angioedema: Differential Diagnosis
Urticaria (hives) and angioedema are common dermatological conditions that may present with overlapping symptoms but require distinct diagnostic approaches. Understanding the differential diagnosis is crucial for effective treatment.
What is Urticaria?
Urticaria is characterized by transient, erythematous, pruritic wheals that result from histamine release in the dermis.
What is Angioedema?
Angioedema presents as non-pruritic, deep swelling primarily affecting mucosal and subcutaneous tissues.
Causes and Pathophysiology
- Allergic Reactions: IgE-mediated hypersensitivity
- Non-Allergic Triggers: Physical stimuli (pressure, cold, heat)
- Autoimmune Conditions: Chronic spontaneous urticaria (CSU)
Differential Diagnosis
Clinicians must differentiate between urticaria, hereditary angioedema, mastocytosis, and systemic anaphylaxis.
Management and Treatment
First-line treatment includes antihistamines, corticosteroids for severe cases, and lifestyle modifications.
Conclusion
Accurate diagnosis of urticaria and angioedema is essential for effective management and improving patient outcomes.