Biliary urticaria symptoms

? Cholinergic urticaria is a common type of urticaria and is a localized edematous reaction due to dilation of small blood vessels and increased permeability of the skin and mucosa. Cholinergic urticaria, generally due to exercise intake of hot drinks, or food sweating and emotional excitement and other factors induced, manifested as a generalized body diameter of 1-3mm erythema wheals, surrounded by obvious redness, sometimes you can see satellite wheals, generally lasting about 1 hour can subside on its own, but repeated attacks, longer duration, the main treatment is the use of antihistamine drugs, such as cetirizine, ketotifen tablets and so on.