Can babies be lactose intolerant on breast milk?

Infants may be lactose intolerant on breast milk.
Infants who are naturally lactase deficient, because lactose is the most important carbohydrate in breast milk, can become lactose intolerant with breast milk. In the case of secondary lactose intolerance, it is usually caused by an illness such as enteritis, and the lactose intolerance improves when the illness gets better.
If the infant has lactose intolerance, eating breast milk will lactose intolerance, infant lactose intolerance, if not treated in time, will often occur diarrhea and other symptoms, prone to water and electrolyte disorders, affecting growth and development.
If the infant is considered to have lactose intolerance, with diarrhea and other symptoms, you need to take your child to the hospital in time, diagnosed and corrected in time for treatment.