Itchy face when the day is hot and solar dermatitis, eczema, cholinergic urticaria and other related.
1. solar dermatitis: solar dermatitis is due to the patient’s skin to receive more than the amount of ultraviolet radiation caused by tolerance, the patient’s skin will appear clearly bordered bright red erythema, blisters and rupture of the serious, vesicles, may also be accompanied by a burning sensation, tingling sensation, itchy sensation. Therefore, when the day is hot face itchy need to be vigilant is caused by solar dermatitis.
2. Eczema: because of a variety of exogenous allergens into the body caused by the reaction, the disease will cause the patient’s skin to varying degrees of itching, tingling, redness and swelling, but also may appear erythema, papules, blisters and other symptoms. For facial discomfort, the symptoms may be aggravated by heat and ultraviolet radiation.
3. Cholinergic urticaria: cholinergic urticaria and exercise, diet, etc. lead to local skin center body temperature rise, so that the cholinergic nerve impulse and the release of acetylcholine, the role of mast cells related to some patients can be caused by the phenomenon of itchy face when the day is hot, but also prone to accompanied by small air masses, burning sensation and other symptoms.
It is recommended that people who have itchy face when it is hot should consult a doctor for examination, and cooperate with the doctor’s treatment after clarifying the cause of the disease. Pay attention to daily skin care, use mild products, and pay attention to sun protection when going out.