3-year-old baby with nasal congestion and coughing symptoms, generally considered to be caused by upper respiratory tract infection, if it is a viral infection, generally can be self-healing, do not need special medication; such as bacterial infections, you can take some anti-infective drugs to relieve the symptoms, such as amoxicillin and so on. The most common cause of nasal congestion and cough in a 13-year-old baby is upper respiratory tract infection. And nasal congestion, cough is the body’s normal way of discharging germs, not recommended to give the child cough suppressant or decongestant, you can through daily care such as hot compresses on the nose, saline nasal cleaning, directly take honey, etc. to help ease the discomfort. 1. If it is a viral infection, it can usually heal itself and does not require special medication; 2. If it is a bacterial infection, antibacterial drugs such as amoxicillin can be used; 3. If it is a mycoplasma infection, you can choose to use azithromycin and so on. If the baby’s symptoms of nasal congestion and cough have not been improved, you need to consult a doctor in a timely manner, under the guidance of the doctor’s medication, to avoid unauthorized use of medication.