What’s wrong with the baby’s poop that smells sour?

Baby’s poop is sour odor may be caused by normal condition, indigestion, lactose intolerance and other reasons.
1. Normal condition: Usually normal feces produce a certain sour odor due to protein decomposition products, such as fecal deodorant, mercaptan, hydrogen sulfide and so on. Under normal circumstances, it is normal for babies to have sour odor without diarrhea or constipation.
2. Indigestion: the sour smell in the feces is generally due to protein food in the intestinal tract stays too long, fermentation produces sour smell, so the baby’s accumulation of food will lead to the accumulation of food in the intestinal tract, discharged feces is sour smell.
3. Lactose intolerance: if the baby’s lactase secretion is insufficient, can not fully digest the lactose in breast milk, undigested lactose in the intestinal tract, fermentation, producing acid, which leads to the baby’s feces is sour smell.
The baby’s poop is sour odor, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.