Itching on blowing fan may be caused by cold urticaria.
When the patient suffers from cold urticaria, when the skin comes into contact with cold objects, such as cold air, cold food, drinks, etc., the patient mainly manifests that the skin, after a period of time in the cold stimulation, will appear wind, erythema, edematous plaques, etc., or simply itching.
Blowing a fan will lead to rapid evaporation of water on the surface of the skin, resulting in a rapid drop in the temperature of the surface of the skin, thus inducing the appearance of cold urticaria.
It is recommended that patients go to the hospital in a timely manner, under the guidance of the doctor, relevant examinations, according to the specific results of the examination, to take targeted treatment, and at the same time, to avoid cold environments, to avoid blowing cold wind or air conditioning, to avoid spicy and stimulating food intake.