Babies with recurring allergies first need to avoid allergens, followed by the use of medication to help relieve the symptoms of allergies. 1. Baby allergy recurrence first parents need to go to the hospital for allergen examination, may be related to pollen, dust, animal hair, food and other allergic factors. Keep away from allergens in order to avoid recurring allergies. 2. When allergies are severe, parents can give their babies relevant allergy medications to improve, such as loratadine. In addition, it should be noted that during the allergy period, do not let the baby scratch with their hands, so as to avoid infection, usually change clothes, eat less spicy and stimulating food, avoid sun exposure, the above medication is recommended to be taken under the guidance of a doctor, and should not be used on their own.