About Short Bowel Syndrome
Short Bowel Syndrome results from loss of sufficient small intestinal length or function, typically defined as less than 150-200 cm of functioning small bowel (normal is 300-600 cm). The loss of absorptive surface area leads to malabsorption of water, electrolytes, nutrients, and medications. The severity depends on the length and location of remaining bowel (duodenum and jejunum preferentially absorb certain nutrients and are more crucial than ileum), whether the colon is present (colonic presence improves prognosis), and intestinal adaptation.
After resection, the remaining bowel undergoes adaptive changes over months to years, including increased absorptive capacity per unit length through villous elongation and mucosal thickening. However, adaptation has limits.
Most patients become parenteral nutrition-dependent, with associated complications including central line infections, cholestasis (liver disease), and thrombosis. Quality of life is significantly impacted by dependence on intravenous nutrition, dietary restrictions, and chronic diarrhea. Intestinal bacterial overgrowth frequently complicates Short Bowel Syndrome. Some patients can eventually achieve nutritional independence through dietary modifications, medications (antiperislatics), and supportive measures.
Common Symptoms of Short Bowel Syndrome
Recognizing the signs of Short Bowel Syndrome early can lead to faster diagnosis and better outcomes. Symptoms may vary in severity from person to person. If you or a loved one are experiencing any of the following, consider speaking with a specialist.
- Chronic severe diarrhea
- Malabsorption with nutrient deficiencies
- Abdominal pain and cramping
- Nausea and loss of appetite
- Steatorrhea (fatty, foul-smelling stools)
- Weight loss and failure to thrive in children
Who Short Bowel Syndrome Affects
Short Bowel Syndrome results from surgical resection (most commonly due to Crohn's disease, mesenteric ischemia, trauma, or surgical complications) or congenital conditions. It can develop at any age, in both children and adults.
In children, congenital short bowel from small intestinal atresia or gastroschisis is the primary cause. In adults, disease-related resection (Crohn's disease) or vascular events (mesenteric infarction) predominate. Long-term outcomes depend on the length and location of remaining bowel.
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Help Paying for Short Bowel Syndrome Treatment
Charity funds and drugmaker programs for Short Bowel Syndrome, checked at the source. Pick your insurance to see what fits.
- From a charity · NORD RareCareShort Bowel Syndrome Medical Assistance fundOpen
Pays for: Medical and medication costs.
The foundation says: “Accepting new applications and re-enrollments for current year” - From a charity · NORD RareCareShort Bowel Syndrome Premium Copay Assistance fundOpen
Pays for: Insurance premiums and copays.
The foundation says: “Accepting new applications and re-enrollments for current year” - From a charity · The Assistance FundShort Bowel Syndrome fundOpen
Pays for: Copays, coinsurance, deductibles and other health-related expenses.
The foundation says: “OPEN — Accepting New Patients. TAF is currently accepting new patient enrollments for this program.”
Side Effect Explorer
Real-world side effect reports from the FDA Adverse Event Reporting System (FAERS). Includes both FDA-approved drugs and investigational therapies from active clinical trials. Click any drug to see what patients reported.
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Diagnosis and Testing
Almost always follows surgical removal of small intestine (necrotizing enterocolitis or birth defects in infants; Crohn's disease, ischemia or trauma in adults).
Trusted Short Bowel Syndrome Resources
Reputable organizations and medical references for learning more about Short Bowel Syndrome, including disease registries, foundation resources, and clinical guidelines.