5 months baby cough phlegm need to be treated according to the cause, such as colds can take cold medicine treatment, bronchitis caused by the need for anti-infection treatment, at the same time can be combined with the phlegm cough medicine treatment. The daily care should also be strengthened, etc. If the baby cough with phlegm is caused by colds, you can use medication under the guidance of the doctor, such as pediatric aminophenol xuanamin granules, aminobromine hydrochloride oral solution. Bronchitis caused by cough with phlegm can use azithromycin granules treatment, but also can take aminoglutethimide hydrochloride to resolve phlegm and cough. If the cough and phlegm are serious, you can follow the doctor’s prescription ultrasonic nebulization treatment. In the drug treatment at the same time, but also need to strengthen the daily care, such as appropriate to the baby drink more water, promote metabolism, avoid going to crowded places, and so on. 5 months baby cough phlegm, it is recommended to consult a doctor in time, clear cause, medication must be under the guidance of the doctor, can not give the baby medicine without authorization.