Whether or not a full-term baby’s cough will heal on its own depends on what kind of disease it is. If it is an upper respiratory tract infection caused by a virus, most of it will heal on its own, while if it is a cough caused by other diseases such as bacterial infection, it will not heal on its own and will need to be treated. 1. Virus-induced upper respiratory tract infections are self-healing and usually get better in a week or so, but coughing symptoms may last for about 3 weeks. 2. Infants and young children have poor physical condition, and viral infections may be combined with bacterial infections at a later stage, causing more serious diseases such as pneumonia and encephalitis. At this time can not be self-healing, need to be under the guidance of a doctor to identify the type of infection germs, targeted medication, such as amoxicillin, azithromycin and so on. Infants and young children are in the vulnerable period of their lives, in order to ensure their normal growth and development, when infants and young children are found to have a cough, and at the same time have fever, loss of appetite and other symptoms, parents should go to the clinic or hospital in a timely manner, so as to avoid delays in the condition. All of the above medications should be used under doctor’s supervision, avoid self-medication.