Answer
Often yes, but some products contain residual sugars. People with diabetes should check with their pharmacist or prescriber, especially where exposure is substantial or prolonged.
Sources for this answer
- NHSNHS · NHS medicine guidance
- Lactulose 10 g / 15 ml oral solution sachets — Current selected SmPCemc · Summary of Product Characteristics
- Lactulose 3.335g/5ml oral solution — Current selected SmPC