1. What is physiological diarrhea in babies? Physiological diarrhea in babies refers to diarrhea caused by incomplete digestive development or food allergies in babies. It usually lasts for a short time and does not require special treatment. 2. Symptoms of physiological diarrhea in babies 1. Bloating stomach 2. Increased stool frequency every day, watery or yellow loose stools 3. Slow weight gain 3. Causes of physiological diarrhea in babies 1. Infant digestion is not fully developed 2. Infant allergies Food 4. How to prevent