All::Gastroenterology::Diseases::Small bowel bacterial overgrowth syndrome

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What is Small bowel bacterial overgrowth syndrome?

a disorder characterised by excessive amounts of bacteria in the small bowel resulting in gastrointestinal symptoms

Small bowel bacterial overgrowth syndrome

What are the main clinical features of Small bowel bacterial overgrowth syndrome?

  • chronic diarrhoea
  • bloating, flatulence
  • abdominal pain

overlap with irritable bowel syndrome

Small bowel bacterial overgrowth syndrome

How is Small bowel bacterial overgrowth syndrome diagnosed?

hydrogen breath test

Small bowel bacterial overgrowth syndrome

What is the management of Small bowel bacterial overgrowth syndrome?

  • correction of the underlying disorder
  • antibiotic therapy: rifaximin is now the treatment of choice due to relatively low resistance. Co-amoxiclav or metronidazole are also effective in the majority of patients.

Small bowel bacterial overgrowth syndrome

What are the main risk factors of Small bowel bacterial overgrowth syndrome?

  • neonates with congenital gastrointestinal abnormalities
  • scleroderma
  • diabetes mellitus

Small bowel bacterial overgrowth syndrome