Irritable Bowel Syndrome (IBS)

Gastroenterology

Overview

Definition

Functional gastrointestinal disorder characterized by abdominal pain and altered bowel habits.

Epidemiology

Affects 10-15% of the population worldwide.

Etiology & Risk Factors

  • Gut-brain axis dysfunction
  • Visceral hypersensitivity
  • Post-infectious

Clinical Symptoms

  • Abdominal pain relieved by defecation
  • Diarrhea or constipation
  • Bloating

Clinical Approach

Diagnosis

  • Rome IV criteria
  • Diagnosis of exclusion

Management

  • Dietary changes (Low FODMAP)
  • Antispasmodics
  • Laxatives/Antidiarrheals

Complications

  • Decreased quality of life
  • Anxiety/Depression