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A Review on Urticaria
Acute urticaria * Wheals less than 6 weeks * Wheals resolve in < 24 hours. * 20 to 30% progress to chronic or recurrent urticaria. * Aetiology % Idiopathic - 50% u R T I - 40% * Drugs - 9% Foods - 1% * Chronic Urticaria * Wheals, on regular daily > 6 weeks * Wheals last for 4 to 36 hours. * &g...
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Published in: | Research journal of pharmacology and pharmacodynamics 2018-04, Vol.10 (2), p.87-91 |
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Main Authors: | , , |
Format: | Article |
Language: | English |
Subjects: | |
Online Access: | Get full text |
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Summary: | Acute urticaria * Wheals less than 6 weeks * Wheals resolve in < 24 hours. * 20 to 30% progress to chronic or recurrent urticaria. * Aetiology % Idiopathic - 50% u R T I - 40% * Drugs - 9% Foods - 1% * Chronic Urticaria * Wheals, on regular daily > 6 weeks * Wheals last for 4 to 36 hours. * >50% are due to autoimmune aetiology. * 35% associated with physical urticarial * 5% due to urticariavasculitis * Physical urticarial *Adrenergic urticarial * Dermographism * Exercise induced anaplylaxis * Aquagenicurticaria * Cholinergic urticaria * localized heat urticaria * Cold urticaria * Solar urticarial * Delayed Pressure urticaria * Vibratory urticarial *Contact Urticaria *(induced by biologic or chemical skin contact) * urticariaVasculitis (defined by vasculitis on skin biopsy) * Angioedema without wheals (a) Hereditory angioedema (b) Idiopathic or drug indused like ACE inhibitor etc. * UrticariaVasculitis It occurs in 1% to 10% patients with chronic urticaria. (13) SIGNS AND SYMPTOMS: 1. mild (skin) urticaria, generalized erythema or angioedema 2. moderate (findings suggesting respiratory, cardiovascular dyspnea, stridor, wheezing, nausea, vomiting, syncope, or gastrointestinal involvement) diaphoresis, thoracic or larynx discomfort or abdominal pain 3. severe (hypoxia, hypotension or neurological damage) cyanosis, 02 saturation by pulse oximetry below 92%, hypotension (systolic BP < 90 mmHg), confusion, collapse and loss of conscience or fecal and urinaryincontinence. [...]Line therapy Anti-depressants, corticosteroids, calcium channel antagonists, levorthyroxine sodium supplements, levkotriene receptor antagonists & other drugs are used in secondline therapy. [...]line therapy. |
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ISSN: | 0975-4407 2321-5836 |
DOI: | 10.5958/2321-5836.2018.00016.2 |