One-year-old baby’s runny nose and sneezing may be caused by allergic rhinitis, upper respiratory tract infection or the entry of foreign objects into the nasal cavity. Doctors will choose the treatment according to the actual situation of the baby, and the common treatments include medication, physical therapy and so on. 1. Allergic rhinitis: Allergic rhinitis is usually related to the season, and it is easy to cause symptoms such as runny nose and sneezing when stimulated by cold air. You can take antihistamines to reduce nasal secretion, such as levocetirizine. 2. Upper respiratory tract infections: most of them are caused by viruses and generally do not require special treatment with antiviral drugs. If it is combined with bacterial infection, antibacterial drugs such as cefixime and amoxicillin should be used; if it is caused by influenza virus, antiviral drugs such as oseltamivir can be used. 3. Nasal cavity into the foreign body: If the baby’s nasal cavity into the foreign body, will also appear the symptoms of runny nose, sneezing. Physical therapy is needed, and the doctor will remove the foreign body through suitable tweezers. Usually, it is necessary to strengthen the care to avoid catching cold to trigger a cold. If your baby has any uncomfortable symptoms, you should go to the hospital in time and ask the doctor to clarify the cause of the disease and treat it.