Urticaria or hives occurs as a part of the reactivity of the immune system marked by excessive histamine secretion, redness, and severe itching. But the cause of urticaria is multifactorial. Some urticarial responses start from cold (cold urticaria) heat (solar urticaria) friction urticaria ( from rubbing while seated) contact with certain metals (while wearing watches). It also develops during viral infections, otitis media, in a broad disease Association of hives.
