Flagyl is normally the initial treatment for C Diff. I would assume a re-test was perform to ensure that the bacteria was eradicated.
If the symptoms continue, you may want to consider further testing to ensure a more chronic disease isn't present that can
leadLead poisoning to the continued diarrhea. Irritable bowel disease,
inflammatoryInflammatory bowel disease
Ulcerative colitis bowel disease, as well as some GI tumors can also lead to chronic diarrhea. An endoscopy - either a colonoscopy or sigmoidoscopy - would be the most comprehensive test to consider at this time.
I would discuss this option with your personal physician or gastroenterologist.
Followup with your personal physician is essential.
This answer is not intended as and does not substitute for medical advice - the information presented is for patient education only. Please see your personal physician for further evaluation of your individual case.
Kevin, M.D.
http://www.straightfromthedoc.com