Why does a four-month-old baby make a rattling sound in their throat if they don't have a cold?

Patient's question:

No

Doctor's answer:

This is related to the incomplete development of the baby's respiratory system, so babies are prone to tracheitis and pneumonia when they catch a cold. This is the reason. It is recommended to pay attention to keeping warm and first check the baby's throat. If it is normal, no treatment is needed.