Microscopic Colitis

Microscopic colitis is a chronic inflammatory condition of the colon causing watery diarrhea. The colon looks normal during colonoscopy but biopsies show characteristic changes.

Table of Contents

Quick Facts

  • ICD-10: K52.8
  • Types: Lymphocytic, collagenous

Symptoms

  • Chronic non-bloody watery diarrhea
  • Abdominal cramping
  • Fecal urgency
  • Sometimes weight loss

Risk Factors

  • Older age
  • Female sex
  • Medications (NSAIDs, PPIs, SSRIs)
  • Smoking
  • Autoimmune diseases

Treatment

  • Stop offending medications when possible
  • Antidiarrheals (loperamide)
  • Budesonide (most effective)
  • Bismuth subsalicylate
  • Immunosuppressants for refractory cases
Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. If you are experiencing a medical emergency, call your local emergency number immediately.

References

  • American Gastroenterological Association. Microscopic Colitis Guidelines.