Frequently dirreha persists to 6 month baby?

Many causes: If it is truly diarrhea ( and not just 1 or 2 loose stools a day), it can indicate an infection (bacterial, viral, parasite ), a food allergy, diet (like too much juice). Various stool studies can be done to distinguish between these causes. Many times what a parent perceives as diarrhea, really isn't. Breast fed babies usually have looser stools. Stools change when fruits are added to diet