FDA Section 4 \u2022 who must NOT take this
Lactulose - Contraindications
These conditions, allergies, and situations mean Lactulose should NOT be used. From the US FDA-approved drug label Section 4.
CONTRAINDICATIONS Since lactulose solution contains galactose (less than 1.6 g/15 mL), it is contraindicated in patients who require a low galactose diet.