Cold hives (or urticaria), is a subtype of physical hives that is characterized by the development of hives and swelling in response to cold exposure and rewarming of the skin. It is related to the histamine release of mast cells. Several studies have shown that it is related to IgE and an unknown skin autoallergen […]
Omalizumab (Xolair) is being used to treat chronic hives (urticaria). Chronic idiopathic/spontaneous urticaria (CIU/CSU) is characterized by the spontaneous appearance of hives, angioedema or both that recur without specific external stimuli for at least 6 weeks. Angioedema, which is the acute deeper swelling of the lower skin or subcutaneous tissue has been reported to occur […]
Idiopathic anaphylaxis is a perplexing problem that accounts for 30-60% of cases in adults and 10% in children.