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Chronic Fatty Diarrhea
Aka: Chronic Fatty Diarrhea, Diarrhea due to Malabsorption, Malabsorptive Diarrhea
- See Also
- Diarrhea
- Chronic Inflammatory Diarrhea
- Chronic Watery Diarrhea (Secretory or Osmotic Diarrhea)
- Infectious Diarrhea
- Drug-Induced Diarrhea
- Diarrhea in Cancer
- Diarrhea in Children
- Diarrhea in Pregnancy
- Diarrhea in HIV
- Definitions
- Chronic Fatty Diarrhea (Malabsorptive Diarrhea)
- Increased stool volume with increased fecal fat contents (due to malabsorption)
- Causes: Malabsorption or altered Digestion
- Drug-Induced Diarrhea
- Orlistat (Xenical)
- Acarbose
- Amyloidosis
- Carbohydrate malabsorption (e.g. Lactose Intolerance), which also causes Osmotic Diarrhea
- Gluten Sensitive Enteropathy (Celiac Sprue)
- Gastric Bypass
- Short bowel syndrome
- Superior Mesenteric Artery insufficiency or Chronic Mesenteric Ischemia
- Biliary tract or Pancreas insufficiency
- Pancreatic insufficiency
- Bile acid inadequate in bowel
- Lymphatic injury (e.g. Congestive Heart Failure, Lymphoma)
- Non-invasive Small Bowel infection
- Giardia
- Small BowelBacterial overgrowth (>100,000 Bacteria/ml)
- Tropical sprue
- Tropheryma whipplei (Whipple Disease)
- Tropheryma whipplei infection of the Small Bowel (or endocardium or CNS)
- Symptoms
- Pale, bulky stools
- Frothy or greasy stools
- Foul odor to stool
- Weight loss with nutritional deficiency
- Resolves within 1-2 days of not eating
- Excessive Flatus
- Evaluation
- Evaluate for anatomic abnormality
- Consider CT Abdomen
- Consider Colonoscopy with biopsy
- Evaluate for pancreatic insufficiency
- Obtain stool chymotrypsin level
- Confirm a positive chymotrypsin level with a Secretin test
- References
- Schiller in Feldman (2002) Sleisenger GI, p. 136
- Burgers (2020) Am Fam Physician 101(8): 472-80 [PubMed]