Why do 5-month-old babies burp after eating milk?

Patient's question:

Symptom Description: A 5-month-old baby almost burps every time after feeding
History of Treatment and Effect: Sometimes patting the back when burping
What help is needed: What should be noted? How to stop burping

Doctor's answer:

A child hiccups. Hiccups are a common symptom in infancy. Persistent hiccuping is caused by spasms of the diaphragm, resulting from continuous contractions of the diaphragm. Diaphragmatic movement is controlled by the autonomic nervous system. After a child is born, within the first one or two months, the autonomic nervous system that regulates the diaphragm has not yet fully developed. When a child is exposed to mild stimuli, such as inhaling cold air or drinking milk too quickly, the diaphragm may suddenly contract, causing rapid inhalation and producing a "hiccup" sound. The development of the nervous system after birth is a gradual process. Generally, after three months, when the nerves that regulate the diaphragm have developed sufficiently, the hiccups will naturally improve.

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