Maybe be due to irritable bowel syndrome...Hello...There is no specific treatment of this disease. It can be controlled by altering diet pattern,psychological therapy and medicines.. The most important thing is to follow a healthy diet which should include green leafy vegetables, fruits and berries which are rich in fibre.take fresh fruits instead of taking it in juice form, since the waste formed while making juice consist of fibres which will be beneficial for the gut, so prefer fresh raw fruits. ...Consult nearest gastroenterologist they will do the needful.