Level 1: Symptoms and causes of infant diarrhea 1. Symptoms Infant diarrhea refers to an increase in the number of bowel movements, an increase in the amount of stool, thin or watery texture, and sometimes accompanied by symptoms such as fever and vomiting. In addition, the baby may experience discomfort such as loss of appetite, crying, and bloating. 2. Causes There are many causes of infant diarrhea, common ones include infectious diarrhea, allergic diarrhea, indigestion, etc. Infectious diarrhea due to bacterial, viral, or parasitic infection; allergic