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What should I discuss with my healthcare provider before taking lactulose (Enulose, Generlac, Kristalose)?
You should not use this medication if you are on a special diet low in galactose (milk sugar).
Before taking lactulose, tell your doctor if you have:
If you have any of these conditions, you may need a dose adjustment or special tests to safely take lactulose.
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.
How should I take lactulose (Enulose, Generlac, Kristalose)?
Take this medication exactly as prescribed by your doctor. Do not take it in larger amounts or for longer than recommended. Follow the directions on your prescription label.
Measure liquid medicine with a special dose-measuring spoon or cup, not a regular table spoon. If you do not have a dose-measuring device, ask your pharmacist for one.
The liquid form of lactulose may become slightly darken 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.
Lactulose powder should be mixed with at least 4 ounces of water. You may also use fruit juice or milk to make the medication better.
It may take up to 48 hours before you have a bowel movement after taking lactulose.
If you use lactulose over a long period of time, your doctor may want you to have occasional blood tests. Do not miss any scheduled appointments.
Store lactulose at room temperature away from moisture and heat.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Need help identifying pills and medications?
Digestive Disorders Resources
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