Irritable Bowel Syndrome
Rome IV criteria:
Subclassifications
- Recurrent abdominal pain, averaging at least one day per week for >3m
- PLUS at least 2 of
- Related to defecation
- Associated with a change in stool frequency
- Associated with a change in stool form (appearance)
- Related to defecation
Subclassifications
- IBS - Constipation: >25% of stools are Bristol 1/2
- IBS - Diarrhea: >25% of stools are Bristol 6/7
- Mixed IBS: >25% 1/2 and >25% 6/7
- Unclassified IBS: <25% 1/2 and <25% 6/7