Product image of Lactulose Marel (Lactulose) supplied by GNH India

Lactulose Marel

Active Ingredient:
Lactulose
Origin:
EU

Lactulose Marel (Lactulose)

Lactulose, the active ingredient in Lactulose Marel, is an osmotic laxative presented as an oral preparation for oral use. It is indicated for adult patients with chronic constipation and for individuals with liver disease at risk of encephalopathy, offering a non‑systemic therapeutic option.

GNH India supplies Lactulose Marel as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides reliable logistics for global distribution.

Manufacturer / TM Owner

Marel B.V.

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Indications & Clinical Uses

Lactulose is used as an osmotic laxative to treat conditions related to bowel motility and ammonia accumulation.

  • Constipation: softens stools and increases bowel movements, helping relieve chronic constipation.
  • Hepatic encephalopathy: reduces intestinal ammonia production, decreasing the risk of encephalopathic episodes in patients with liver disease.
  • Prevention of recurrent hepatic encephalopathy: maintains low ammonia levels to prevent relapse.

How It Works

  • Lactulose is a synthetic disaccharide that is not absorbed in the small intestine. In the colon, bacterial enzymes hydrolyze it to short‑chain fatty acids, which increase osmotic pressure and draw water into the lumen, softening stool. The resulting acidic environment (pH ≈ 5.5) promotes conversion of ammonia (NH₃) to ammonium (NH₄⁺), reducing its absorption and lowering systemic ammonia levels. These actions collectively facilitate laxation and ammonia detoxification.

Side Effects

Lactulose may cause a range of adverse reactions, most of which are related to its osmotic activity in the gut.

Common Side Effects

  • Abdominal bloating
  • Flatulence
  • Cramping
  • Diarrhea

Serious or Rare Side Effects

  • Severe electrolyte imbalance
  • Dehydration
  • Allergic reactions (rash, urticaria)

Precautions & Warnings

Before initiating therapy, consider the following precautions.

  • Assess renal function: monitor patients with impaired kidney function for fluid and electrolyte balance.
  • Monitor electrolytes: check serum sodium and potassium during prolonged therapy.
  • Use caution in diabetes: lactulose may affect blood glucose control.
  • Avoid abrupt discontinuation: taper dose to prevent rebound constipation.
  • Adjust dose in hepatic impairment: start with lower dose and titrate.
  • Store at ambient temperature: keep in original container, protect from moisture.

Avoid Interactions

Lactulose can interact with several drug classes; awareness helps prevent complications.

Major Interactions (Avoid)

  • Concurrent use with other laxatives: may cause excessive fluid loss and electrolyte disturbances.
  • Antidiarrheal agents (e.g., loperamide): can reduce lactulose efficacy and increase risk of constipation.
  • High-dose mineral supplements (e.g., calcium, magnesium): may interfere with lactulose’s osmotic action.

Moderate Interactions (Monitor Closely)

  • Antibiotics altering gut flora: may affect lactulose metabolism and efficacy.
  • Oral hypoglycemic agents: monitor blood glucose as lactulose can influence glucose absorption.

Frequently Asked Questions

Lactulose Marel is employed as an osmotic laxative to relieve chronic constipation and to manage hepatic encephalopathy. In constipation, it softens stools and promotes regular bowel movements. In hepatic encephalopathy, it lowers intestinal ammonia production, helping to prevent neuro‑cognitive deterioration in patients with liver disease.

Lactulose is a synthetic sugar that reaches the colon unchanged, where gut bacteria split it into short‑chain fatty acids. These acids increase the osmotic load, drawing water into the intestinal lumen and softening stool. The resulting acidic environment converts ammonia to ammonium, which is less readily absorbed, thereby reducing systemic ammonia levels.

The dose of Lactulose Marel is individualized by the prescribing clinician based on the patient’s condition, age, renal function and response. Typical regimens for constipation or hepatic encephalopathy are titrated to achieve the desired clinical effect, and the prescriber determines the exact amount and frequency.

Safety data for lactulose during pregnancy and lactation are limited. It is generally categorized as low risk because it is minimally absorbed, but the decision to use it should be based on a careful risk‑benefit assessment by the treating physician. Breastfeeding mothers should consult their healthcare provider before starting therapy.

To place an order, submit an enquiry on the Lactulose Marel product page at gnhindia.com, specifying the required quantity. GNH India works with hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details (including any cold‑chain requirements) and necessary import documentation.

Lactulose is an osmotic laxative, differing from stimulant laxatives that act on intestinal nerves. Its non‑systemic action and ability to lower ammonia make it uniquely suitable for hepatic encephalopathy, a benefit not shared by most other laxatives. For simple constipation, it may be slower to act but offers a gentler, water‑based mechanism.

Lactulose Marel should be stored at ambient temperature, below 25 °C, in its original packaging to protect it from moisture and light. Keep the container tightly closed when not in use and store away from sources of heat. No refrigeration is required for this oral formulation.

Lactulose Marel is taken orally, usually as a liquid or syrup that can be measured with a calibrated device and swallowed directly or mixed with a small amount of water or juice. The exact administration technique, including timing relative to meals, is determined by the prescribing clinician.

Serious risks include severe electrolyte disturbances such as hyponatremia or hypernatremia, marked dehydration, and rare allergic reactions that may present as rash, urticaria or anaphylaxis. Patients should be monitored for signs of these conditions, especially during high‑dose or prolonged therapy.

Lactulose Marel is contraindicated in individuals with known hypersensitivity to lactulose or any component of the formulation. Caution is advised for patients with severe renal impairment, uncontrolled diabetes, or those who require strict fluid restriction, as the osmotic effect may exacerbate existing conditions.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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