Baby runny nose cough phenomenon, may be due to upper respiratory tract infection, allergic rhinitis and other factors, according to the cause, with the doctor to choose antiviral drugs, antibiotics, antihistamines and other ways to relieve. 1. Cold and flu: baby runny nose and cough, due to the age of young, immature immune function, prone to cold and flu phenomenon, in the invasion of pathogenic microorganisms, it will cause runny nose and cough symptoms. Can improve the blood routine to assist in the diagnosis, such as the consideration of bacterial infection, can follow the doctor’s instructions to use antibiotics such as amoxicillin clavulanate potassium, cefuroxime and other anti-infective, such as the consideration of the possibility of viral infections, you can choose the buspirone anti-inflammatory oral solution, rehydration, sputum suction and other symptomatic supportive treatment. 2. allergic rhinitis: if the baby belongs to the allergic body, may inadvertently contact allergens, will cause allergic rhinitis phenomenon, not only will have paroxysmal sneezing, runny nose symptoms, there will also be a cough performance, can cooperate with the doctor to choose loratadine, cetirizine and other antihistamine treatment. Baby runny nose cough may also exist other reasons, need to further cooperate with the doctor to check and then do the treatment, can not blindly use drugs.