If your baby develops allergic rhinitis, you should first identify the allergens and stay away from them, and use appropriate medications as prescribed by your doctor, such as cetirizine and mometasone furoate nasal spray. Younger babies can be rinsed with sea salt water under doctor’s supervision to relieve the symptoms. The main thing to do is to prevent allergic rhinitis attacks. For older babies, anti-allergy treatment with antihistamines can be prescribed by the doctor to alleviate the symptoms. And can be used in the local use of drugs such as mometasone furoate nasal spray for anti-inflammatory anti-allergy treatment. Usually in the baby’s room should be often ventilated to ensure air circulation, in the spring and fall season, the season of flowers, is allergic rhinitis season, try to avoid taking the baby out, so as not to meet the allergens and thus lead to the occurrence of allergic rhinitis. And after going out and coming home, you can use saline nasal spray to improve the symptoms. The above medications should be used according to medical advice.