There is no specific medication to treat cold symptoms in a 9 year old child, it’s a matter of choosing the right medication based on the type of cold. Common types of colds include viral infections and bacterial infections. 1. Viral colds:If it is a common viral cold, the symptoms are relatively mild, runny nose, sneezing, you can drink more water, usually about 5 days can be self-healing. If it is influenza virus infection, it is more contagious, chills, high fever, headache symptoms need to be under the guidance of the doctor oral oseltamivir phosphate granules treatment. 2. Bacterial infections: 9-year-old children with bacterial infections, need to check the blood routine to determine the type of bacterial infections, under the guidance of the doctor oral cephradine or amoxicillin anti-infection treatment. It is recommended that children with cold symptoms should go to the pediatrician in the hospital in time to do the relevant examination, to clarify the cause of the disease, and then actively treat it. All of the above medications should be used under the guidance of a doctor, avoid self-medication, in order to avoid adverse effects.