Small infants cough need to clarify the cause of the symptomatic treatment, may be caused by infection or allergies, the treatment is mainly based on drug therapy, specific analysis is as follows: 1. Infectious factors: small infants cough may be related to upper respiratory tract infection, pneumonia, bronchitis and other factors, need to clarify the cause of the disease, viral infections can generally be self-healing, without special medication; bacterial infections require the use of amoxicillin and other drugs. 2. Allergy: This kind of cough may be caused by allergies to the external environment, such as animal hair, ingredients in milk powder, dust, etc. It is recommended to avoid allergens in time, and it will improve slowly. All of the above medications are recommended to be taken under the guidance of a doctor and should not be used on your own. There may be other causes of coughing in babies, so it is recommended to go to the hospital in time, complete the examination to clarify the cause of the disease, and then give targeted treatment or therapy.