Baby face allergy rash can be treated by keeping away from allergens, topical medication, oral medication and other methods. 1. Stay away from allergens: baby face allergy rash first need to look for allergens, if necessary, can improve the allergen prick test, such as food, slept in the bed sheets, wearing pajamas, pollen, etc., to confirm the allergens, to avoid letting the baby contact allergens. 2. Topical medicine: baby face allergy rash, skin will be itchy, the baby in the scratching process may cause damage to the skin, or even secondary infection. You can give your baby glycerine lotion, zinc oxide ointment, dinaid cream and other topical anti-itching drugs. 3. Oral medication: If the allergic rash is more, resulting in flaky allergy, you can follow the doctor’s instructions to take oral anti-allergy drugs, such as loratadine and so on. The above medications should be used under doctor’s supervision.