Newborns taking probiotics diarrhea (diarrhea) may be a normal phenomenon, or it may be an adverse reaction that occurs when it is taken improperly. If there is long-term diarrhea, accompanied by nausea, vomiting and other discomforts, you should take your newborn to the hospital in time for treatment. 1. Normal phenomenon: If the newborn already have indigestion, bloating, diarrhea and other symptoms, at this time its body less probiotics, under the guidance of the doctor to eat probiotics to regulate the intestines and stomach, intestinal flora in the restoration of the balance of the intestinal flora may be so that the type of probiotic bacteria suddenly increased in large quantities, which leads to gastrointestinal peristalsis faster, the emergence of diarrhea (diarrhea) phenomenon. 2. Taking improper: newborns who accidentally ingest too much probiotics, affecting the normal balance of flora in the body, can lead to diarrhea (diarrhea) symptoms in newborns. So in general, if the newborn does not have indigestion, diarrhea and other symptoms, it is not recommended to use too much probiotics need to be used under the guidance of a doctor. Newborns eat probiotics diarrhea (diarrhea), it is recommended to go to the hospital in a timely manner, under the guidance of a professional physician to comply with medical advice.