Bile alkaline urticaria insist on exercise

Cholinergic urticaria, mainly due to exercise, heat, mental stress, eating hot drinks or alcoholic beverages after deep body temperature rise, promote acetylcholine action on mast cells and disease. Performance for a few minutes after stimulation, the skin shows a diameter of 2-4mm round papular wheals, surrounded by varying degrees of redness, often distributed in the upper trunk and upper limbs, do not fuse, conscious itching, tingling or burning sensation; Sometimes there is only severe itching without rash, which can subside after half an hour to an hour. Occasionally, it is accompanied by systemic symptoms caused by acetylcholine (such as birth, headache, slow pulse, mydriasis, diarrhea, etc.). Serious dizziness can cause syncope. Patients with cholinergic urticaria should pay attention not to strenuous exercise at ordinary times, prevent eating hot drinks, prevent tension and drinking, and do not eat spicy and irritating foods.