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Treatment options in refractory chronic spontaneous urticaria
1Department of Dermatology, Venereology and Leprology, All India Institute of Medical Sciences, Rajkot, Gujarat, India.
Purpose Of Review:
Chronic spontaneous urticaria (CSU) patients sometimes do not respond to second-generation antihistamine, and 10-50% patients do not even respond to four-fold the usual dose of nonsedating H1 antihistamine, which further leads to repeated courses of oral corticosteroids to abate the symptoms. There are third-line agents approved by EAACI guidelines, which include omalizumab and cyclosporine. Certain patients are even resistant to the third-line agents. In this review, various other treatment options will be discussed in patients of refractory CSU.
Recent Findings:
Recently, we demonstrated azathioprine as a possible third-line option, which was found noninferior to cyclosporine in antihistamine refractory CSU. There have been trials, studies, case series and reports, which suggest other putative options for refractory CSU management.
Summary:
Studies on the management of refractory CSU are accumulating thereby expanding the armamentarium of dermatologists and allergologist against difficult-to-treat urticaria patients.
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