Baby diarrhea and water can take bacillus subtilis dictyostelium and montelukast for treatment. Baby diarrhea and water may be caused by physiological diarrhea, gastrointestinal dysfunction and viral enteritis. 1. Physiological diarrhea: If the baby is very small and breastfed, in addition to defecation and drinking water, there is normal spirit and normal weight gain. This is a situation that does not need to be dealt with and should be considered as physiological diarrhea. 2. Gastrointestinal dysfunction: gastrointestinal dysfunction, also known as gastrointestinal neurosis, the baby may have diarrhea and watery symptoms, can be recommended under the guidance of the doctor’s oral bacillus subtilis bacillus to carry out treatment. 3. viral enteritis: viral enteritis is a group of acute intestinal infections caused by a variety of viruses, the baby will also have diarrhea and watery symptoms, you can take montelukast under the guidance of the doctor’s advice for treatment. When the baby has diarrhea and watery symptoms, should go to the maternal and child hospital for consultation, after clarifying the cause of the disease and under the guidance of the doctor’s advice for treatment. It is recommended to use medication under the guidance of the doctor, not blindly self-medication, in order to avoid adverse effects.