I have stomach cramps with a running tummy and vomiting?

Doctor can evaluate: Such stomach symptoms can be from a variety of causes. One usually sees a doctor 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 one day. If diarrhea or vomiting doesn't slow down, a doctor helps.