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Syndrome reference sheet
Generated 12 Oct 2026
Gastroenterology · Gastroenterology / Malabsorption

Blind loop syndrome

Also known as: Small intestinal bacterial overgrowth; Stagnant loop syndrome

Bacterial overgrowth in stagnant small bowel segments.

Medical specialty
Gastroenterology
Subspecialty
Gastroenterology / Malabsorption
Sex & age distribution
Male: affected; Female: affected; Children: yes, with short gut or dysmotility
Gene(s) involved
None recorded

Etiology & mechanism

Stasis allowing colonic bacteria to deconjugate bile salts and consume nutrients.

Gene(s) involved (0)

No gene recorded.

Symptoms & signs (7)

abdominal painbloatingdiarrheaflatulencesteatorrheavitamin b12 deficiencyweight loss
SyndromeScope — educational reference. Content is model-generated and not clinically verified; always confirm against OMIM, Orphanet and GeneReviews before clinical use.