Home remedies for a runny stomach?

Hydration/diet chg: Your main goal is maintaining a good fluid balance until the process clears. That can include clear fluids like 1/2 strength Gateraid, electrolyte solution and similar products. Applesauce, bananas , breads and rice are good natural agents that can slow you down. Avoid grape/prune or apple juice which can keep you runny.

Doctor can evaluate: Stomach aches plus diarrhea can be from variety of causes. People usually see their doctors if symptoms are bad or if they last more than 1-2 days. When diarrhea first starts happening, an adult can benefit by stopping eating and start just drinking small amounts (2-3 ounces) of something like Pedialyte or half-strength Gatorade, hourly for a day. If diarrhea doesn't slow down, a doctor can help.