1. Causes of diarrhea in full-month babies 1.1 The baby’s digestion is not fully developed 1.2 Improper feeding of the baby 1.3 Baby is infected with viruses or bacteria 2. Symptoms of diarrhea in full-month babies 2.1 Diarrhea 2.2 Vomiting 2.3 Fever 2.4 Indigestion 3. How to deal with diarrhea in full-month babies 3.1 Hydration and supplementation Salt 3.2 Give appropriate food 3.3 Give medication 4. Methods to prevent diarrhea in one-month-old babies 4.1 Pay attention to hygiene habits 4.2 Feed properly 4.3 Maintain a good environment