What'S new in urticaria?

Urticaria, a perplexing disease of ever-changing explanations, is being renovated almost everyday by newer facts and findings accumulated from different parts of the globe. Cost of the urticaria treatment gradually grows higher and higher whereas the ailment disturbs the quality of life very adversely. Disorder of coagulation cascade has recently thrown some new light into its mechanism. Non-allergic angioedema induced by bradykinin caused by genetic defects and ACE-inhibitors has also been noted. Role of H. pylori in the pathogenesis of urticaria has also been re-reviewed. Urticaria could sometimes mimic erythema multiforme and is termed urticaria multiforme. Skin biopsy showed features of vasculitis in good number of urticaria irrespective of clinical features. Contact sensitization showed positive results in certain cases thus proving contact urticaria. Topical clobetasol, systemic omalizumab and NB UVB have shown promising results in certain forms of urticaria.