Bacteria are naturally occurring in many foods that we eat. In addition, probiotics are gaining attention for having great health benefits including stopping infections in the body and also for controlling and alleviating diarrhea. Probiotics can be found pretty much anywhere and while they are something that needs to be bought, they naturally occur in a number of household products. For best results, consider adding probiotics to your daily multivitamin intake to help control your symptoms of diarrhea. In addition, make sure to drink plenty of water if you have diarrhea for a number of days to help prevent dehydration.