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Lactulose

Drug Class: Commonly Known As: Category:
Osmotic laxative Duphalac

Lactulose - What is it for

​This medication is used to treat constipation. It encourages bowel movement by drawing water into the bowel. This helps to soften the stools and increase bowel movement.

  • This medicine may take up to 48 hours to work.

It is also used in the treatment of hepatic encephalopathy, a condition associated with liver disease.

Lactulose - Side Effects, Precautions, and Contraindications

What side effects can Lactulose cause?

  • ​Lactulose may cause some discomfort such as passing gas, cramps, nausea and vomiting.

Consult your healthcare professional if the symptoms do not go away or become bothersome.

Consult your healthcare professional if you have bleeding from the anus.

The symptoms of a drug allergy include one or more of the following:

  • Swollen face/eyes/lips/tongue
  • Difficulty in breathing
  • Itchy skin rashes over your whole body

If you experience any of these symptoms, you should stop your medication and see your healthcare professional immediately.

Before taking Lactulose, what precautions must I follow?

Inform your healthcare professional if:

  • You are allergic to this medication or any of the other ingredients of this medication. This includes a history of lactose or milk intolerance.
  • You are on a galactose or lactose free (or milk free) diet. This preparation contains both lactose and galactose.
  • You are pregnant, planning to become pregnant, or breastfeeding.
  • You are taking any other medications, including supplements, traditional medications and herbal remedies.
  • You have or had history of bowel obstruction (blockage in the small or large intestine)

What food or medicine must I avoid when I take Lactulose?

​Inform your healthcare professional if you are taking or intend to take any other medication, supplements, traditional medications or herbal remedies.

Lactulose - Dosage and How to Use

How should Lactulose be used?

  • ​Take your medication as instructed by your healthcare professional.
  • Take this medicine with a glass of water, with or without food.

What should I do if I miss a dose?

​If you forget to take a dose, take it as soon as you remember. Skip the dose if it is too near to your next dose. Then take your next dose at the usual time. Do not take two doses to make up for the missed dose.

What should I do if I overdose?

Lactulose - Handling

How should I handle Lactulose safely?

Lactulose - Storage

How should I store Lactulose?

Keep away from children;#Keep in a cool, dry place, away from direct sunlight;#

How should I dispose of Lactulose safely?

​Pack this medication into a black trash bag and seal it tightly before throwing into the rubbish chute or bin.

Lactulose - Additional Information

  • Updated on Monday, September 30, 2019
  • Article contributed by PSS National Medication Information Workgroup

    The information provided is not intended as medical advice. Terms of use. Information provided by SingHealth

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