Itching and redness of the neck may be due to atopic dermatitis, urticaria, pruritus etc. You can consider the use of loratadine tablets, glycerite lotion and other drugs for treatment to relieve itching. 1. Allergic dermatitis: mostly induced by local skin contact with allergic substances, such as animal hair, some cosmetics, etc., can cause local or generalized skin itching and redness. Oral loratadine tablets, ebastine, external glycerine lotion and other drugs can be used to stop itching. 2. Urticaria: often caused by food or drugs, infection, sun exposure and other factors, manifested as itching and redness of the skin. Can be used externally with glycerine lotion, oral cetirizine and other antihistamines to stop itching. 3. Pruritus: the cause of this disease is more complex, common dry skin, clothing friction, mental factors, improper diet, etc., usually manifested as intense itching, usually no primary skin damage. Itching can be relieved by topical glycerine lotion and oral ipecac. Neck itching and redness may have other causes, it is recommended to go to the hospital to clarify the cause, and follow the doctor’s instructions for targeted treatment or therapy.