If the skin allergic itching symptoms, may be eczema, urticaria, contact dermatitis and other diseases caused by the relief methods of general treatment, drug treatment and so on. 1. Eczema: itchy skin allergy is considered to be related to eczema, should avoid friction, hot wash the affected area, you can apply dexamethasone, mometasone furoate and other glucocorticosteroid drugs to the affected area, which can play a role in relieving itching, anti-inflammatory and other effects. 2. Urticaria: Urticaria may cause skin allergies and itching, patients should identify the cause of the disease, and avoid and remove the triggering factors as far as possible. Patients can take oral loratadine, ebastine and other antihistamines, can help anti-allergy, anti-itch and so on. 3. Contact dermatitis: If contact dermatitis leads to itchy skin allergies, it is recommended that patients avoid contact with allergens or irritants, can be applied locally dexamethasone, Hasinide and other glucocorticoid drugs, can improve the symptoms of allergies, and help to stop itching. Triggered by the skin allergic itching symptoms of more reasons, it is recommended that patients go to a regular hospital, clear cause of the disease with the doctor standardized treatment, specific medication to follow the doctor’s instructions.