Cholinergic Urticaria Treatment & Management
- Author: Robert A Schwartz, MD, MPH; Chief Editor: Dirk M Elston, MD more...
Medical Care
Sometimes, an attack of cholinergic urticaria can be aborted by rapid cooling.
Antihistamines, including cetirizine, are helpful for cholinergic urticaria. The response to cetirizine is important because some of the antihistaminic effect has been attributed to antimuscarinic activity.
UV light has been beneficial in some patients with cholinergic urticaria, but one must be circumspect about contraindications to UV light.
Aspirin aggravated the urticaria in 52% of patients with cholinergic urticaria, which is similar to other forms of urticaria.
For patients with both cold urticaria and cholinergic urticaria, ketotifen (where available) may be helpful. About 62% of patients experience a reduction in wheals, and 68% of patients report reduced itching. Cardiorespiratory symptoms also reportedly respond to ketotifen.
Danazol can be beneficial for patients with cholinergic urticaria, ostensibly because it elevates antichymotrypsin levels.
Beta-blockers, such as propranolol, have been reported to be useful in cholinergic urticaria.[15]
In evaluating any response to therapy, one must always consider that cholinergic urticaria can clear spontaneously.
Both topically applied benzoyl scopolamine and oral scopolamine butylbromide, where available, may be helpful in blocking the appearance of cholinergic urticaria lesions after challenge.[16]
Traditional options are antihistamines, leukotriene inhibitors, and immunosuppressives.[14] However, some patients’ cholinergic urticaria may be refractory.
Rapid desensitization with autologous sweat has been reported in patients resistant to conventional therapy who have sweat hypersensitivity.[17]
Also see the clinical guideline summary from the British Association of Dermatologists, Guidelines for evaluation and management of urticaria in adults and children.
Diet
- Modifying one's diet may be helpful because cholinergic urticaria attacks can sometimes result from hot foods and beverages, highly spiced foods, and alcohol.
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