Itchy neck in the summer when it is hot, may be caused by physiological reasons, such as sweat stimulation, etc.; may also be caused by pathological reasons, commonly found in prickly heat, solar dermatitis and other diseases.
1. Physiological reasons: due to the summer heat, after sweating, sweat will flow down the neck, which may cause neck itching discomfort symptoms.
2. Pathologic causes:
(1) prickly heat: also known as corn rash, is a common skin disease in summer, due to excessive sweating caused by the blockage of sweat ducts, the patient will appear corn size transparent mounds of herpes, can be red, and there will be a tingling sensation and itching and other symptoms, which leads to the neck itchy when it is hot.
(2) solar dermatitis: summer neck area will generally be exposed to ultraviolet light, if prolonged exposure to the sun, will lead to sunburn of the neck area of the skin, erythema, itching, pain and other symptoms, severe blisters, flaking, vesicles and other symptoms may occur.
Itchy neck in the summer heat may also be caused by other diseases, it is recommended that patients go to the regular hospital in a timely manner, under the guidance of the doctor to clarify the diagnosis and standardized treatment.