Baby diarrhea a few days to distinguish according to the cause of the disease, such as viral infections, the possibility of self-healing is greater, it takes about 7 to 10 days; such as bacterial infections, the probability of self-healing is relatively small, you need to intervene through the medication, most of the cases of diarrhea healing time in 3 to 5 days. 1. Viral infections caused by diarrhea, such as rotavirus infection, generally can be self-healing, no special treatment, but also through the probiotics to protect the baby’s intestinal mucosa, the course of the disease may be a little longer, about 7 days to 10 days. 2. Bacterial infection caused by diarrhea, such as food poisoning, poor food hygiene, etc., can lead to bacterial infection and diarrhea in babies, the need for oral antibiotics, such as cephalosporin, amoxicillin and other medications, along with montelukast treatment, it will take about 3 days to 5 days to improve. Baby diarrhea is recommended to consult a doctor in order to clarify the cause of the disease, under the guidance of the doctor to use medication.