Itchy neck in summer may be eczema, mosquito bites, ultraviolet allergy and other factors, the patient should consult a doctor in a timely manner to clarify the cause of the corresponding treatment. 1. Eczema: summer neck itch may be caused by eczema, the rash is mostly symmetrical distribution, part of the local erythema, blisters, you can use glycerine lotion, budesonide and other drugs for treatment. 2. Mosquito bites: summer neck itch may also be caused by mosquito bites, such patients before the onset of more exuberant grass and trees in the place, there will be localized pimples, should pay attention to avoid scratching, can be localized use of glycerin lotion, mupirocin and other drugs for treatment. 3. Ultraviolet allergy: summer sunshine is relatively strong, the neck in the role of sunlight may appear ultraviolet allergy, there will be localized itching, redness, rash, such people should pay attention to do a good job of sun protection. There may be other causes of itchy neck in summer, it is recommended to go to the hospital in time to identify the cause, symptomatic treatment, the above drugs should be used under the guidance of a doctor.