You should not use this medication if you are on a special diet low in galactose (milk sugar).
Before taking Kristalose, tell your doctor if you have diabetes or if you need to have any type of intestinal test using a scope (such as a colonoscopy).
It may take up to 48 hours before you have a bowel movement after taking Kristalose.
Stop using Kristalose and call your doctor at once if you have severe or ongoing diarrhea.
The liquid form of lactulose may become slightly darker in color, but this is a harmless effect. However, do not use the medicine if it becomes very dark, or if it gets thicker or thinner in texture.
If you use Kristalose over a long period of time, your doctor may want you to have occasional blood tests. Do not miss any scheduled appointments.
Before taking this medicine
You should not use this medication if you are on a special diet low in galactose (milk sugar).
To make sure you can safely take Kristalose, tell your doctor if you have other medical conditions, especially:
diabetes; or
if you need to have any type of intestinal test using a scope (such as a colonoscopy).
FDA pregnancy category B. This medication is not expected to be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.
It is not known whether lactulose passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.
