Level 1: What is infant indigestion? Infant indigestion refers to the uncomfortable symptoms that occur in infants and young children during the digestive process, including diarrhea, constipation, bloating, vomiting, etc. These symptoms may be caused by various factors such as diet, growth and development. Level 2: Which foods are likely to cause indigestion? The intestinal function of infants and young children has not yet fully developed, so they are easily irritated by food. Some foods containing more protein or fat, such as milk, eggs, etc., can easily cause indigestion. In addition, foods that are too thick or difficult to digest can also increase the risk of