It is important to get tested for celiac sprue since it is a frequent co-occurring condition with diarrhea predominant IBS.
Patients with celiac sprue have persistent diarrhea accompanied with weight loss, flatulence, weakness.
People with diarrhea form of IBS is better to avoid bulking agents use, since it increases the abdominal discomfort and bloating.
This group of IBS sufferers could found relief from using the drug, known as Imodium, and calcium supplements.
Try to find certain food triggers!
Best wishes!
Marija