Key facts about Lactulose
What dosages is Lactulose available in?
Lactulose is available as a 10 g/15 ml oral solution.
What is Lactulose used for?
Lactulose is an osmotic laxative that is used to treat constipation and for the prevention and treatment of brain-related complications from liver problems (hepatic encephalopathy).
How does Lactulose work?
Lactulose is an osmotic laxative. It eases constipation by drawing more fluid into the gut. This helps soften the stool and makes it easier to pass. People with liver problems can have high ammonia levels. A build-up of ammonia in the body can lead to brain-related problems, such as confusion or sleepiness. Lactulose can help treat hepatic encephalopathy by lowering the amount of ammonia in your gut.
How do I take Lactulose?
Lactulose is typically by mouth taken by mouth 3 to 4 times daily.
Is it safe for me to take Lactulose?
Lactulose is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you. You should not use this medication if you require a low galactose diet.
Lactulose Common Side Effects
Common side effects of Lactulose include:
- Flatulence or passing gas
- Stomach cramps
- Dehydration (low fluids in the body)
- Nausea or vomiting
- Diarrhea
Lactulose Serious Side Effects
Serious side effects are rare with Lactulose.
Effects of other drugs, drug classes and over-the-counter products on Lactulose
The following medications may interact with Lactulose:
- Other laxatives should not be used, especially during the initial phase of therapy for encephalopathy, because the loose stools resulting from their use may falsely suggest that adequate Lactulose dosage has been achieved
Who makes Lactulose?
Various FDA-approved generic manufacturers
Is Lactulose safe in pregnancy?
It is not known if Lactulose will harm your unborn baby. If you become pregnant while receiving Lactulose, talk to your healthcare provider.













