Lactulose
Generic Name: lactulose
Brand Names:
Lactulose
DESCRIPTION Lactulose is a synthetic disaccharide in solution form for oral administration. Each 15 mL of Lactulose Solution, USP contains: 10 g lactulose (and less than 1.6 g galactose, less than 1.2 g lactose, and 1.2 g or less of other sugars). Also contains water. The pH range is 2.5 to 6.5. Lactulose is a colonic acidifier which promotes laxation. The chemical name for lactulose is 4-O-β-D-galactopyranosyl-D-fructofuranose. The molecular formula is C 12 H 22 O 11 .
Overview
DESCRIPTION Lactulose is a synthetic disaccharide in solution form for oral administration. Each 15 mL of Lactulose Solution, USP contains: 10 g lactulose (and less than 1.6 g galactose, less than 1.2 g lactose, and 1.2 g or less of other sugars). Also contains water. The pH range is 2.5 to 6.5. Lactulose is a colonic acidifier which promotes laxation. The chemical name for lactulose is 4-O-β-D-galactopyranosyl-D-fructofuranose. The molecular formula is C 12 H 22 O 11 .
Uses
INDICATION AND USAGE For the treatment of constipation. In patients with a history of chronic constipation, lactulose solution therapy increases the number of bowel movements per day and the number of days on which bowel movements occur.
Dosage
DOSAGE AND ADMINISTRATION The usual dose is 1 to 2 tablespoonfuls (15 to 30 mL, containing 10 g to 20 g of lactulose) daily. The dose may be increased to 60 mL daily if necessary. Twenty-four to 48 hours may be required to produce a normal bowel movement. Note: Some patients have found that lactulose solution may be more acceptable when mixed with fruit juice, water or milk.
Side Effects
ADVERSE REACTIONS Precise frequency data are not available. Initial dosing may produce flatulence and intestinal cramps, which are usually transient. Excessive dosage can lead to diarrhea with potential complications such as loss of fluids, hypokalemia, and hypernatremia. Nausea and vomiting have been reported. To report SUSPECTED ADVERSE REACTIONS, contact Chartwell RX, LLC. at 1-845-232-1683 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
Warnings
WARNINGS A theoretical hazard may exist for patients being treated with lactulose solution who may be required to undergo electrocautery procedures during proctoscopy or colonoscopy. Accumulation of H 2 gas in significant concentration in the presence of an electrical spark may result in an explosive reaction. Although this complication has not been reported with lactulose, patients on lactulose therapy undergoing such procedures should have a thorough bowel cleansing with a non-fermentable solution. Insufflation of CO 2 as an additional safeguard may be pursued but is considered to be a redundant measure. CONTRAINDICTIONS Since lactulose solution contains galactose (less than 1.6 g/15 mL), it is contraindicated in patients who require a low galactose diet.
Storage
HOW SUPPLIED Lactulose Solution, USP is a colorless to amber syrupy liquid. It is available in 8 fl oz (237 mL) bottle (NDC 62135-002-37) 16 fl oz (473 mL) bottle (NDC 62135-002-47) 32 fl oz (946 mL) bottle (NDC 62135-002-94) 4 Quarts (3785 mL) bottle (NDC 62135-002-78) 15 mL Unit Dose Cups (NDC 62135-002-51) 20 Unit Dose Cups of 15 mL each (NDC 62135-002-24) 30 mL Unit Dose Cups (NDC 62135-004-43...
Frequently Asked Questions
What is Lactulose used for?▼
INDICATION AND USAGE For the treatment of constipation. In patients with a history of chronic constipation, lactulose solution therapy increases the number of bowel movements per day and the number of days on which bowel movements occur.
What are the side effects of Lactulose?▼
ADVERSE REACTIONS Precise frequency data are not available. Initial dosing may produce flatulence and intestinal cramps, which are usually transient. Excessive dosage can lead to diarrhea with potential complications such as loss of fluids, hypokalemia, and hypernatremia. Nausea and vomiting have been reported. To report SUSPECTED ADVERSE REACTIONS, contact Chartwell RX, LLC. at 1-845-232-1683 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
What are the important warnings for Lactulose?▼
WARNINGS A theoretical hazard may exist for patients being treated with lactulose solution who may be required to undergo electrocautery procedures during proctoscopy or colonoscopy. Accumulation of H 2 gas in significant concentration in the presence of an electrical spark may result in an explosive reaction. Although this complication has not been reported with lactulose, patients on lactulose therapy undergoing such procedures should have a thorough bowel cleansing with a non-fermentable solution. Insufflation of CO 2 as an additional safeguard may be pursued but is considered to be a redundant measure. CONTRAINDICTIONS Since lactulose solution contains galactose (less than 1.6 g/15 mL), it is contraindicated in patients who require a low galactose diet.
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.