Lactulose Solution

Medical Editor: John P. Cunha, DO, FACOEP Last updated on RxList: 11/29/2021
Lactulose Solution Side Effects Center

Medical Editor: John P. Cunha, DO, FACOEP

What Is Lactulose?

Lactulose solution is a synthetic disaccharide, a type of sugar that is broken down in the large intestine into mild acids that draw water into the colon, which helps soften the stools. Lactulose solution is used to treat chronic constipation. Lactulose solution is also used to treat or prevent complications of liver disease (hepatic encephalopathy). Lactulose solution is available in generic form.

What Are Side Effects of Lactulose?

Side effects of Lactulose solution include:

  • diarrhea,
  • nausea,
  • vomiting,
  • bloating,
  • gas,
  • belching, and
  • stomach pain or discomfort.

Dosage for Lactulose

The usual adult, oral dosage of lactulose solution is 2 to 3 tablespoons (30 to 45 mL, containing 20 g to 30 g of lactulose) three or four times daily.

What Drugs, Substances, or Supplements Interact with Lactulose?

Lactulose solution may interact with antacids. Tell your doctor all medications and supplements you use.

Lactulose During Pregnancy and Breastfeeding

Lactulose solution is not expected to be harmful to a fetus. Tell your doctor if you are pregnant or plan to become pregnant during treatment with lactulose solution. It is unknown if lactulose solution passes into breast milk or if it could harm a nursing baby. Consult your doctor before breastfeeding.

Additional Information

Our Lactulose solution Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

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.

QUESTION

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Lactulose Solution Consumer Information

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.

Read the entire detailed patient monograph for Lactulose Solution (Lactulose Solution)

SLIDESHOW

Digestive Disorders: Common Misconceptions See Slideshow
Lactulose Solution Professional Information

SIDE EFFECTS

Precise frequency data are not available.

Lactulose may produce gaseous distention with flatulence or belching and abdominal discomfort such as cramping in about 20% of patients. Excessive dosage can lead to diarrhea with potential complications such as loss of fluids, hypokalemia, and hypernatremia. Nausea and vomiting have been reported.

Read the entire FDA prescribing information for Lactulose Solution (Lactulose Solution)

© Lactulose Solution Patient Information is supplied by Cerner Multum, Inc. and Lactulose Solution Consumer information is supplied by First Databank, Inc., used under license and subject to their respective copyrights.

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