Three months baby cold cough should take the baby to the hospital blood tests, according to the cause of targeted treatment, may be related to bacterial infection or viral infection, but also pay attention to strengthen the daily care. The baby’s cold and cough need to check the blood routine, such as bacterial infection caused by the cold, you can use cefixime particles treatment, if it is a viral infection caused by the general need for special treatment, if necessary, you can use the antiviral oral solution and other medication, such as treatment. During the period of the baby’s cold and cough, we should strengthen the baby’s care, such as avoiding cold, keep indoor air circulation. If you have a three-month-old baby with a cold and cough, it is recommended that you consult a doctor to determine the cause of the illness. All of the above drugs need to be used under the guidance of a doctor, avoid self-medication.