The child always sniffs and clears his throat to consider that it may be an upper respiratory tract infection, which is a disease caused by viral and bacterial infections. Upper respiratory tract infection is a general term for acute inflammation of the nasal cavity, pharynx or larynx, mainly caused by pathogens, commonly viruses, including parainfluenza virus, rhinovirus, but also may be caused by bacterial infection. Patients may experience symptoms such as runny nose, cough, sneezing, nasal congestion and sore throat. If a child has an upper respiratory tract infection, he or she may experience constant sniffing and throat clearing. For the treatment of upper respiratory tract infection, the clinical treatment is mainly symptomatic. If it is caused by bacterial infection, you need to follow the doctor’s instructions with ceftazidime, azithromycin and other antibiotics. The child always sniffs and clears his throat may also have other reasons, such as tics, etc. It is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then under the guidance of the doctor to give targeted treatment or treatment. The above medication is in accordance with the doctor’s prescription.