Answer
Lactulose is broken down by colonic bacteria into organic acids that lower colonic pH and osmotically increase the volume of colonic contents, stimulating bowel movements and restoring stool consistency.
Sources for this answer
- Lactulose 3.335g/5ml oral solutionViatris (formerly Mylan or Upjohn) · emc · SmPC §5.1 Pharmacodynamic properties · Version 19Document updated
Sources checked