I have cycles of diarrhea. for 1-2 weeks normal stool and then suddenly again diarrhea and then normal. i couldn't find what triggers it. no other symptoms except diarrhea. will probiotics help or what shall i do? why it is happening? thanks! m, 36.?

Work up needed: A variety of medical conditions may account for your symptoms, from a chronic untreated infection to irritable bowel syndrome, diarrhea type, including inflammatory bowel disease and malabsorption syndromes. Diarrhea will have to be well characterized in number of stools per 24 h, actual consistency, etc and keeping a food log is recommended. A gastroenterologist will be best in completing workup