
Urticarial vasculitis (UV) is a rare and difficult-to-treat, small-vessel leukocytoclastic vasculitis presenting with recurrent long-lasting wheals. So far, no guidelines and treatment algorithms exist that could help clinicians with the management of UV. In this review, we describe evidence on systemic treatments used for UV and propose a clinical decision-making algorithm for UV management based on the Urticarial Vasculitis Activity Score assessed for 7 days (UVAS7). Patients with occasional UV-like urticarial lesions and patients with UV with skin-limited manifestations and/or mild arthralgia/malaise (total UVAS7 ≤7 of 70) can be initially treated using the step-wise algorithm for chronic urticaria including second-generation H1-antihistamines, omalizumab, and cyclosporine A. Patients with UV with more severe symptoms (UVAS7 >7), especially those with hypocomplementemic UV, may require a multidisciplinary approach, particularly if underlying diseases, for example, systemic lupus erythematosus, cancer, or infection, are present. Immunomodulatory therapy is based on clinical signs and symptoms, and the drug availability and safety profile, and includes systemic corticosteroids, dapsone, hydroxychloroquine, anti-interleukin-1 agents, and other therapies. The level of evidence for all UV treatments is low. Prospective studies with current and novel drugs are needed and could provide further insights into UV pathogenesis and treatment.
Consensus, Urticaria, Clinical Decision-Making, Practice Guidelines as Topic, Humans, Vasculitis, Leukocytoclastic, Cutaneous, Chronic Urticaria/diagnosis [MeSH] ; Chronic Urticaria/therapy [MeSH] ; Urticaria/therapy [MeSH] ; Clinical Decision-Making [MeSH] ; Algorithms [MeSH] ; Humans [MeSH] ; Severity of Illness Index [MeSH] ; Review Article ; Vasculitis, Leukocytoclastic, Cutaneous/therapy [MeSH] ; Omalizumab/therapeutic use [MeSH] ; Urticaria/diagnosis [MeSH] ; Vasculitis, Leukocytoclastic, Cutaneous/drug therapy [MeSH] ; Urticaria/drug therapy [MeSH] ; Vasculitis, Leukocytoclastic, Cutaneous/diagnosis [MeSH] ; Immunosuppressive Agents/therapeutic use [MeSH] ; Chronic Urticaria/drug therapy [MeSH] ; Omalizumab/administration ; Consensus [MeSH], Review Article, Severity of Illness Index, Algorithms
Consensus, Urticaria, Clinical Decision-Making, Practice Guidelines as Topic, Humans, Vasculitis, Leukocytoclastic, Cutaneous, Chronic Urticaria/diagnosis [MeSH] ; Chronic Urticaria/therapy [MeSH] ; Urticaria/therapy [MeSH] ; Clinical Decision-Making [MeSH] ; Algorithms [MeSH] ; Humans [MeSH] ; Severity of Illness Index [MeSH] ; Review Article ; Vasculitis, Leukocytoclastic, Cutaneous/therapy [MeSH] ; Omalizumab/therapeutic use [MeSH] ; Urticaria/diagnosis [MeSH] ; Vasculitis, Leukocytoclastic, Cutaneous/drug therapy [MeSH] ; Urticaria/drug therapy [MeSH] ; Vasculitis, Leukocytoclastic, Cutaneous/diagnosis [MeSH] ; Immunosuppressive Agents/therapeutic use [MeSH] ; Chronic Urticaria/drug therapy [MeSH] ; Omalizumab/administration ; Consensus [MeSH], Review Article, Severity of Illness Index, Algorithms
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