Hello I appreciate your concern and I will try to help you out in best possible way This can be caused by food poisoning or gastroenteritis, colitis or food allergy. I would like further information to help you better like Your age and relevant medical history like diabetes or liver disease have you seen blood in stool or loose stools? have you taken any medicines or adulterated food Since how long you have this problem? meanwhile Have dietary fiber to increase bulk of the stool. have lots of fresh fruits and steamed vegetables Avoid smoking and alcohol it could be dangerous for you Wash your hands with antiseptic soap or solution to maintain good hygiene Avoid fatty fried junk and cold food In my opinion you should consult your doctor for anti acidity medicines like pantoprazole or omeprazole and analgesics for symptomatic relief. Hope this answers your question Wish you good health