Can a very dark green/black stool appear after Lactulozum ?
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Anna Tyrańska Pharmacist, Editor
3 months ago
Yes, turning your stool dark after consuming lactulose can be one of the possible side effects. Lactulose is an active ingredient mainly used to treat constipation. It works by softening the stool and increasing its volume, which helps with easier bowel movements.
The drug can be purchased from an online pharmacy:
https://www.gdziepolek.pl/produkty/42193/lactulosum-polfarmex-syrop/apteki