1. What are the symptoms of diarrhea in babies? Diarrhea in babies refers to the phenomenon that the baby has an increased frequency of defecation and the stool becomes thinner, even with mucus and blood streaks. If the following symptoms appear, parents need to pay attention: 1. The baby has an increased number of bowel movements, more than 4 times a day; 2. The baby’s feces becomes thin and lighter in color; 3. The baby’s feces has a peculiar smell, even sour Bad smell; 4. Babies may experience diarrhea, abdominal pain, fever and other discomforts when they have diarrhea. 2. Why does it lead?