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Manufactured by various FDA-approved generic manufacturers.

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Navin Khosla NowPatientGreen tick
Updated on 24 Apr 2024

lactulose Uses, Side Effects, Interactions, Warnings & Dosing

What dosages is lactulose available in?

What dosages is lactulose available in?

lactulose is available as a 10 g/15 ml oral solution.

What is lactulose used for?

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?

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?

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?

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

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

lactulose Serious Side Effects

Serious side effects are rare with lactulose.

Effects of other drugs, drug classes and over-the-counter products on 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?

Who makes lactulose?

Various FDA-approved generic manufacturers

Is lactulose safe in pregnancy?

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.


What to do if you missed your lactulose dose

The FDA's medical product safety reporting program for health professionals, patients and consumers.

Learn more about reporting side effects
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NowPatient has taken all reasonable steps to ensure that all material is factually accurate, complete, and current. However, the knowledge and experience of a qualified healthcare professional should always be sought after instead of using the information on this page. Before taking any drug, you should always speak to your doctor or another qualified healthcare provider.

The information provided here about medications is subject to change and is not meant to include all uses, precautions, warnings, directions, drug interactions, allergic reactions, or negative effects. The absence of warnings or other information for a particular medication does not imply that the medication or medication combination is appropriate for all patients or for all possible purposes.

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