Chronic urticaria

Urticaria affects 15% to 20% of the population once or more during a lifetime. Chronic urticaria is a frequent recurrent eruption over a period greater than 6 weeks; the cause remains a mystery in more than 75% of cases. Urticaria and angioedema may be produced by immunologic or nonimmunologic means...

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Bibliographic Details
Published in:The Western journal of medicine 1990-03, Vol.152 (3), p.268-276
Main Authors: Burrall, B. A., Halpern, G. M., Huntley, A. C.
Format: Article
Language:English
Subjects:
Abnormalities
Angioedema - classification
Angioedema - etiology
Angioedema - metabolism
Causes of
Chronic Disease
Drug therapy
Histamine H1 Antagonists - therapeutic use
Humans
Skin
Urticaria
Urticaria - classification
Urticaria - etiology
Urticaria - metabolism
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Summary:Urticaria affects 15% to 20% of the population once or more during a lifetime. Chronic urticaria is a frequent recurrent eruption over a period greater than 6 weeks; the cause remains a mystery in more than 75% of cases. Urticaria and angioedema may be produced by immunologic or nonimmunologic means. Urticarial vasculitis, contact urticaria, mastocytosis, physical urticarias, dermatographism, cholinergic urticaria, localized heat urticaria, cold urticaria, aquagenic urticaria, and vibratory angioedema all require specific evaluation and treatment. Chronic idiopathic urticaria is usually controlled by antihistamines; depending on the circadian rhythm of the eruption, sedative or nonsedative antihistamines are prescribed. Some patients will require a combination of H1 and H2 antagonists, or even parenteral corticosteroids.
ISSN:0093-0415