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

Lactulose Sandoz

Active Ingredient:
Lactulose
Origin:
EU

Lactulose Sandoz (Lactulose)

Lactulose, the active ingredient in Lactulose Sandoz, is an osmotic laxative presented as an oral formulation for oral use. It treats constipation and helps manage hepatic encephalopathy in patients with liver disease.

GNH India supplies Lactulose Sandoz as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Sandoz B.V.

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Indications & Clinical Uses

Lactulose is used as an osmotic laxative and as a therapy for hepatic encephalopathy.

  • Constipation: Softens stool and promotes bowel movements in patients with functional constipation.
  • Hepatic encephalopathy: Reduces intestinal ammonia absorption, helping to lower blood ammonia levels in patients with liver disease.

How It Works

  • Lactulose is a synthetic disaccharide that is not absorbed in the small intestine. In the colon it is metabolized by bacterial enzymes into acidic compounds, increasing osmotic pressure and drawing water into the lumen. The resulting softening of stool facilitates bowel movements, while the acidic environment traps ammonia, reducing its systemic absorption and improving hepatic encephalopathy.

Side Effects

Lactulose may cause a range of adverse reactions, most of which are mild and transient.

Common Side Effects

  • Flatulence: Excess gas production leading to bloating.
  • Abdominal cramping: Mild to moderate stomach cramps.
  • Diarrhea: Loose stools, especially at higher doses.
  • Nausea: Feeling of sickness.
  • Electrolyte imbalance: Minor changes in sodium or potassium levels.

Serious or Rare Side Effects

  • Severe dehydration: Marked fluid loss requiring medical attention.
  • Hypokalemia: Low potassium levels that may cause cardiac issues.
  • Allergic reaction: Rash, itching, swelling, or difficulty breathing.
  • Hypernatremia: Elevated sodium levels in rare cases.

Precautions & Warnings

Before initiating lactulose therapy, consider the following precautions.

  • Renal impairment: Use with caution in patients with reduced kidney function.
  • Diabetes mellitus: Monitor blood glucose as lactulose may affect glucose control.
  • Electrolyte monitoring: Check serum electrolytes during prolonged therapy.
  • Pediatric use: Dose adjustment may be required for children.
  • Pregnancy and lactation: Safety not established; weigh benefits against potential risks.
  • Store at ambient temperature: Keep below 25°C, in original container, protect from moisture.

Avoid Interactions

Lactulose can interact with other medicines; some combinations should be avoided while others require monitoring.

Major Interactions (Avoid)

  • Antibiotics (e.g., rifaximin): May reduce lactulose efficacy by altering gut flora.
  • Laxatives (e.g., bisacodyl): Combined use can cause severe diarrhea and electrolyte loss.
  • Mineral supplements (e.g., magnesium): May increase risk of diarrhea.

Moderate Interactions (Monitor Closely)

  • Diuretics: Potential additive effect on electrolyte balance.
  • Insulin or oral hypoglycemics: Lactulose can affect glucose absorption, requiring dose adjustment.
  • Proton pump inhibitors: May alter gastric pH, influencing lactulose activity.

Frequently Asked Questions

Lactulose Sandoz is indicated for the relief of constipation and for the management of hepatic encephalopathy in patients with liver disease. In constipation it softens stool and promotes regular bowel movements, while in hepatic encephalopathy it helps lower blood ammonia levels.

Lactulose is a synthetic sugar that reaches the colon unchanged, where intestinal bacteria break it down into acidic metabolites. This increases the osmotic pressure in the lumen, drawing water into the bowel to soften stool, and creates an acidic environment that traps ammonia, reducing its absorption into the bloodstream.

The appropriate dose of lactulose is determined by the prescribing healthcare professional based on the patient’s condition, age, renal function and response to therapy. Dosage may be adjusted during treatment to achieve the desired clinical effect.

Safety data for lactulose during pregnancy and lactation are limited. It should only be used when the potential benefit justifies any possible risk to the fetus or infant, and the decision should be made by a qualified healthcare provider.

To place an order, submit an enquiry on the Lactulose Sandoz product page at gnhindia.com, specifying the required quantity. GNH India supplies hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details and any necessary import documentation.

Lactulose is an osmotic laxative that works by increasing water content in the colon, whereas stimulant laxatives (e.g., bisacodyl) act on intestinal nerves to induce motility. Osmotic agents like lactulose are generally gentler and are also useful for reducing ammonia in hepatic encephalopathy, a benefit not shared by most other laxatives.

Store Lactulose Sandoz at ambient temperature, preferably below 25 °C. Keep the product in its original container, protect it from moisture and direct sunlight, and ensure the packaging remains tightly closed until use.

Lactulose Sandoz is taken orally, usually as a liquid solution. It can be measured with a calibrated dosing device and swallowed directly or mixed with a small amount of water or juice to improve palatability, following the prescriber’s instructions.

Serious risks include severe dehydration, electrolyte disturbances such as hypokalemia or hypernatremia, and rare allergic reactions that may present as rash, swelling or difficulty breathing. Patients should seek medical attention if they experience persistent diarrhea, signs of dehydration or any allergic symptoms.

Lactulose should be avoided in individuals with known hypersensitivity to lactulose or any of its excipients. Caution is advised for patients with severe renal impairment, uncontrolled diabetes, or those who are unable to tolerate increased intestinal fluid without risk of dehydration.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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