1. Proctosigmoidoscopy or colonoscopy. Indicated if patient remains ill with negative stool cultures. Useful in determining presence of mucosal inflammation (suggesting IBD), obtaining biopsies, and examining for masses.
3. Breath hydrogen lactose tolerance test. Increase in breath hydrogen approximately 2 hours after administration of a standard oral lactose dose indicates lactose intolerance.
4. D-xylose test. Abnormal in diseases involving small bowel mucosa (eg, Crohn disease, celiac disease, small bowel bacterial overgrowth, and regional enteritis). Reserve for workup of chronic or recurring diarrhea.
Was this article helpful?
A beginners guide that will reveal how living "G" free can help you lose weight today! This is not a fad diet, or short term weight loss program that sometimes makes you worse off than before you started. This is a necessity for some people and is prescribed to 1 out of every 100 people on earth by doctors and health professionals.