Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice. If there is no any other signs & symptoms like gagging nausea abdominal cramps any redness or discoloration body ache then it is a common condition chronic diarrhea of infancy. But if any complain like cramps or nausea or else mentioned above then there are possibilities of lactose intolarece milk allergy food poisoning so kindly give detailed history. If your baby is drowsy (half asleep, sleepy&lethargic)then u should consult to pediatric. Hope I have answered your query. Let me know if I can assist you further.