Summer sweating neck itchy causes include contact dermatitis, prickly heat, ringworm, according to the specific cause of the symptomatic treatment, usually the main external medication, including antipruritic agent, prickly heat powder, antifungal ointment. 1. Contact dermatitis: due to the neck sweat stimulate the skin and the inflammatory reaction, this time you need to keep the local skin clean and dry, topical glycerine lotion, zinc oxide ointment, if necessary, oral antihistamines such as loratadine, cetirizine and other drugs. 2. Prickly heat: ventilation and heat dissipation, loose and breathable clothing, keep the skin clean and dry. Glycerin lotion and prickly heat powder can be used externally, and 2% ichthyol glycerin lotion and Huanglian powder can be used externally for pus rash. Oral antihistamine can be taken for obvious itching, and oral antibiotics such as amoxicillin can be taken for serious infection of prickly heat. 3. ringworm: due to the local environment, such as moisture triggered by fungal infections, at this time the need for antifungal treatment, such as topical ketoconazole, miconazole ointment, oral itraconazole and other drugs if necessary. Summer sweating neck itchy causes are many, different causes, treatment methods and medication are different, need to use medication under the guidance of a doctor, should avoid self-medication, so as not to delay the condition.