You could be suffering from irritable bowel syndrome. Where in there is a frequent bowel movement, urge after eating, ineffectual urge, abdominal distention, flatulence etc. All these symptoms could be aggravated by slightest changes in diet, emotional stress etc.
Homeopathic medicine has excellent remedies like nux vom, merc sol, colocynth, which can get rid of your symptoms and also see that over a period of time with medication do not recur.
Dr.Venugopal gouri.