Answer
Oral lactulose is practically not absorbed before reaching the colon and reaches it unchanged because the corresponding disaccharidase is absent from the human upper intestinal tract.
Sources for this answer
- Lactulose 10 g / 15 ml oral solution sachetsEsteve Pharmaceuticals (formerly Intrapharm Laboratories) · emc · SmPC §5.2 Pharmacokinetic properties · Version 5Document updated
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