4-month-old infant, persistent diarrhea, how to determine lactose intolerance

Patient's question:

No

Doctor's answer:

Whether the child's symptoms are diarrhea caused by lactose intolerance needs to be checked. Fever, diarrhea, abdominal pain, and other symptoms are mainly to reduce the occurrence of dehydration. It is recommended to treat them promptly with symptomatic treatment and oral rehydration solutions.