Neck skin allergies should first be detached from the allergen, followed by oral antihistamines or topical hormonal creams for anti-inflammatory and anti-allergy treatment. Skin allergy is a kind of immune response made by the skin after being stimulated by allergens, such as itching, redness and swelling of the skin. So the first thing to do when skin allergies in the neck is to actively search for the allergens and get out of contact with them. For example, sunlight, clothing friction, chemicals and so on. Secondly, you can take oral antihistamines to actively improve the symptoms of anti-allergy treatment, such as cetirizine, loratadine, etc., may produce drowsiness, dry mouth and other adverse reactions, allergic to the components of this type of drug is strictly prohibited. You can also use topical hormone creams to improve the local skin inflammatory reaction, such as dieldrin cream, mometasone furoate ointment, fluticasone propionate ointment and so on. When the neck skin allergy, must be under the guidance of a doctor, a clear diagnosis, the correct use of medication.