Baby allergy rash, generally mild symptoms can be gradually relieved within 7 days after the allergens are removed, if the baby allergy is more serious, the possibility of self-healing is not great, to actively go to the hospital standard treatment. After the baby has allergies, it is important to find the allergen in time to avoid re-exposure. If the baby is allergic to food, let the baby drink more water so that the allergen can be discharged as soon as possible; if the baby is allergic to air or dust, open the windows in time to ventilate the room so that the allergen can be dissipated as soon as possible. In addition, pay attention to whether the rash is caused by allergies. Contact dermatitis, eczema and mosquito bites can all have rashes and need to be identified. In addition, when your baby has an allergic rash, you should avoid scratching to avoid infection, and pay attention to skin care to prevent dry skin.