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lactulose Syllabification: lac·tu·lose
Pronunciation: /ˈlakt(y)əˌlōs/ /-ˌlōz/

Definition of lactulose in English:


A synthetic sugar with laxative properties. It is a disaccharide consisting of glucose and fructose units.
Example sentences
  • In addition, unabsorbed lactose has an osmotic effect not unlike that of lactulose, a synthetic laxative, increasing the amount of fluid retained in the bowel.
  • Osmotic laxatives such as lactulose are effective alternatives to soften hard stools.
  • The most effective daily treatments for opioid-induced constipation are senna, senna combined with a stool softener, Phillips' Milk of Magnesia (magnesium hydroxide) or lactulose.


1930s: from lacto- 'of milk', perhaps on the pattern of cellulose.

Definition of lactulose in:
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