If you want to stop it, Eat an umeboshi plums. You can find them on amazon or whole foods supermarket. They stop diarrhea. Also drink apple cider vinegar 2 tablespoons in 8 oz of water 3x daily braggs) Get some good probiotics. Watch what your eating. Good luck!
You start to get dehydrated. Your electrolytes get out of balance, so do your potassium levels. You might need to see a physician to diagnose what is causing your diarrhea, get treatment and get rehydrated.