Here is the translation of the given content into English: "3-month-old male baby's burp has an odor of sourness, what is the reason?"

Patient's question:

No

Doctor's answer:

Considering the possibility of indigestion, there are multiple potential causes such as catching a cold and indigestion. It is recommended that you use Golden Turtle Powder, Children's Stomach Strengthening Powder, Bifidus Factor, and Schiller's for regulation.