Hot neck and red and itchy, may be prickly heat, summer dermatitis, solar dermatitis and other diseases.
1. Prickly heat: due to the high temperature environment, the body sweats too much and is not easy to evaporate, which can lead to the blockage of sweat ducts, when the sweat stagnation in the sweat ducts, so that the rupture, the sweat is overflowing, seepage into the surrounding tissues, which can lead to prickly heat, the performance of the neck and red and itchy.
2. Summer dermatitis: due to the summer heat or local humidity, poor ventilation and other factors, easy to lead to local tissue sweating obstruction, when the sweat in the stratum corneum below, can stimulate the surrounding skin soft tissues, the formation of inflammation, causing itching, redness and swelling.
3. solar dermatitis: when the weather is hot or the neck is sunburned, red and itchy, mostly due to the neck position of the ultraviolet allergy, when the skin’s protective ability to decline, as well as autoimmune regulation disorders, can be triggered by this type of skin allergic reaction disease.
Hot neck and red and itchy, there may be other reasons, it is recommended to go to the hospital in time to improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.