Loose stools lasting more than 4 weeks.

Causes:

  • IBS, IBD, infections
  • Malabsorption (celiac, lactose intolerance)
  • Medications

Evaluation:

  • Stool tests, blood work
  • Endoscopy or colonoscopy

Treatment:

  • Diet changes (low-FODMAP)
  • Medications (antidiarrheals, antibiotics)
  • Treat underlying cause

Follow-up:

  • Monitor hydration and weight
  • Repeat tests if symptoms persist