Itchy skin behind the sun on three-volt days, considering the possibility of solar dermatitis, polymorphic sun rash, cholinergic urticaria and other diseases.
1. Solar dermatitis: summer ultraviolet rays are relatively strong, often under strong ultraviolet rays, sun exposure, the formation of solar dermatitis, resulting in damage to the skin barrier, there may be varying degrees of redness, itching, peeling and other symptoms.
2. polymorphic solar rash: the disease is related to ultraviolet allergy, often in the face, chest V area, back and other exposed areas of erythema, papules, papules, accompanied by itching and other symptoms.
3. Cholinergic urticaria: Cholinergic urticaria is a kind of urticaria, which is caused by the increase of body temperature, such as emotional excitement, eating hot food, stimulating food, strenuous exercise, etc., resulting in the appearance of the skin air masses, accompanied by intense itching.
It is recommended that patients with itchy farts behind the sun in the day of three volts go to the dermatology department of the regular hospital in time, and standardize the use of medication after a clear diagnosis.