Three-year-old baby sneezing, runny nose, is generally a respiratory viral infection caused by acute upper respiratory tract infection khat symptoms, this situation can be used ribavirin spray or interferon spray, local spray throat, nasal antiviral treatment, you can buy saline nasal spray to clean nasal secretions. If you have a history of allergic rhinitis, sinusitis and other chronic diseases, sneezing, runny nose can also be appropriate to eat anti-allergy drugs, such as loratadine or cetirizine hydrochloride, etc. You can also take appropriate Chinese medicine, such as pediatric cold and flu punch, antiviral oral solution, etc. for treatment also has a certain effect. In addition, we should pay attention to the increased sensitivity of the nasal cavity during sneezing and runny nose, so we should avoid entering the allergy-prone environment, and avoid consuming allergy-prone foods, such as eggs, seafood, etc.