Duphalac is a laxative used to treat constipation. It may help to increase the number of bowel movements per day and the number of days you have a bowel movement. Lactulose is a colonic acidifier that works by increasing stool water content and softening the stool. It helps to eliminate wastes from the colon and makes the bowel easier to pass.
It is used for the treatment of bowel movement irregularities and other conditions.