Medical Dictionary


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noun lac·tu·lose \ˈlak-t(y)u̇-ˌlōs, -ˌlōz\

Medical Definition of lactulose

  1. :  a synthetic disaccharide C12H22O11 used as a laxative for chronic constipation and as an acidifier to reduce blood ammonia levels causing neurological symptoms in advanced liver disease Lactulose is used in solution for oral or rectal administration.

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