Pregnancy & Lactation: Risk data not available
What is Generlac?
Lactulose is used to treat chronic constipation.
Lactulose is sometimes used to treat or prevent certain conditions of the brain that are caused by liver failure. These conditions can lead to confusion, problems with memory or thinking, behavior changes, tremors, feeling irritable, sleep problems, loss of coordination, and loss of consciousness.
Lactulose may also be used for purposes not listed in this medication guide.
Warnings
You should not use lactulose if you are on a special diet low in galactose (milk sugar).
Tell your doctor if you have ever had:
- diabetes; or
- if you need to have any type of intestinal test using a scope (such as a colonoscopy).
Tell your doctor if you are pregnant or breastfeeding.
How should I use Generlac
Use Generlac (Oral And Rectal) exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended.
Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.
Mix lactulose powder with at least 4 ounces of water, milk, or fruit juice.
Measure liquid medicine with the supplied measuring device (not a kitchen spoon).
Lactulose should produce a bowel movement within 24 to 48 hours.
If you use this medicine long-term, you may need frequent medical tests.
Tell your doctor if you have a planned colonoscopy or proctoscopy procedure.
Store tightly closed at room temperature, away from moisture and heat. Avoid freezing.
The liquid may turn darker in color, but this will not affect the medicine. Do not use the medicine if it becomes very dark or gets thicker or thinner in texture.
Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.
Generlac side effects
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Stop using lactulose and call your doctor at once if you have severe or ongoing diarrhea.
Common side effects may include:
- bloating, gas;
- stomach pain;
- diarrhea; or
- nausea, vomiting.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What other drugs will affect Generlac?
Ask your doctor before taking any other laxative or an antacid, and take only the type your doctor recommends.