i had colitis & diarrhea in 1966 , had taken numerous antibiotics. went to a different dr. when diarrhea continued for days and days. his advice and it worked was: eat sauerkraut and drink...
i have allergies and stomach problems, diarrhea, bloating, belching constantly for 4 mo. ordeal. my gastrologist.who did a colonscopy+endoscopy+biopies(ok), dx: chronic duodenitis. it all looked good...