Neck especially itchy a scratch a large red, should be by dermatology professionals to clarify the cause of the disease, and take appropriate treatment measures. It may be caused by eczema, urticaria, folliculitis, etc., and is mainly treated with medication. 1. Eczema: Sweating on the neck in a hot, dry environment may induce eczema. Need to maintain neck hygiene, dry neck sweat, while following the doctor’s instructions for external use of glycerite lotion, zinc oxide cream and other medications, can play a role in relieving itching. In severe cases, it can also be combined with oral medication such as loratadine. 2. Urticaria: If the neck is in contact with certain allergenic substances, such as animal dander, cotton wool, etc., it can cause local allergies, itching, erythema and cellulite. First of all, we should find and get rid of the allergens, and at the same time, we should give antihistamine drugs such as cetirizine and loratadine. 3. Folliculitis: it occurs in the neck, armpits and other parts of the body, can also appear itching, pain and other symptoms. Treatment needs to be based on the type of infection pathogen selection of antibiotics or antifungal drug therapy, generally mild, can be used externally mupirocin ointment, ketoconazole cream and other drugs can be. If the condition is more serious, you can take oral medication for anti-infection treatment, such as amoxicillin, fluconazole and so on. The neck is particularly itchy and red when scratched, the patient should promptly consult the doctor and actively cooperate with the doctor’s treatment. Avoid scratching with your hands to avoid breakage and infection.