Also, i traveled to guatemala for a week about 10 days ago. ?

Doctor can evaluate: Stomach aches plus mucousy stools 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 it first starts happening, a person usually benefits by stopping eating and start just drinking small amounts (few ounces) of something like Pedialyte or half-strength Gatorade, every hour. Doctor can look for an infectious cause.