Can probiotics help against diarrhea?

Probiotics can make diarrhea go away about one day faster. Generally speaking, probiotic products – which mostly contain certain lactic acid – are well tolerated.
Diarrhea is often caused by an intestinal (bowel) . As long as diarrhea isn’t severe, it is usually enough to simply drink plenty of fluids to avoid dehydration, and wait for the to run its course. However, in small children and older people the loss of fluid can quickly become so dangerous that special treatment is needed. Life-threatening cases of diarrhea are rare in industrialized countries, though.
In mild cases, people are sometimes advised to eat probiotic foods in addition to drinking a lot of fluids. Probiotic products have special microorganisms like or yeast in them. These are thought to reach the bowel, where they suppress the germs that are causing the diarrhea and help the body fight them. The best known probiotics are lactic acid (lactobacilli). They are found in natural yogurt and other dairy products, as well as in some dietary supplements.