Product image of Macrogol Generis (Macrogol 4000) supplied by GNH India

Macrogol Generis

Active Ingredient:
Macrogol 4000
Origin:
EU

Macrogol Generis (Macrogol 4000)

Macrogol 4000, the active ingredient in Macrogol Generis, is an osmotic laxative presented as an oral formulation for oral use. It is used to relieve constipation and to prepare the bowel for diagnostic procedures in adults and children.

GNH India supplies Macrogol Generis as a licensed, GDP-compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Generis Farmacêutica, S.A.

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Indications & Clinical Uses

Macrogol 4000 is an osmotic laxative that works within the gastrointestinal tract to manage constipation and facilitate bowel cleansing.

  • Chronic constipation: softens stool and promotes regular bowel movements.
  • Occasional constipation: provides rapid relief by increasing intestinal water content.
  • Bowel preparation for colonoscopy: clears the colon to improve visualization during the procedure.
  • Fecal impaction in adults: helps to break down hardened stool for easier evacuation.

How It Works

  • Macrogol 4000 acts as a high‑molecular‑weight polyethylene glycol that is poorly absorbed from the gastrointestinal lumen. It retains water by osmotic pressure, increasing the fluid volume within the intestinal contents. The resulting stool softening and increased bulk stimulate peristalsis, facilitating transit and evacuation. Because it is not metabolized, its effect is confined to the gut, providing a predictable laxative action.

Side Effects

Macrogol 4000 may be associated with a range of adverse reactions, most of which are mild and transient.

Common Side Effects

  • Abdominal bloating: feeling of fullness or swelling in the abdomen.
  • Flatulence: increased intestinal gas.
  • Nausea: mild sensation of wanting to vomit.
  • Diarrhea: loose or watery stools.
  • Abdominal cramps: intermittent stomach pain.

Serious or Rare Side Effects

  • Severe dehydration: marked loss of body fluids requiring medical attention.
  • Electrolyte imbalance: abnormal levels of sodium, potassium or magnesium.
  • Allergic reaction: rash, itching, swelling or difficulty breathing.

Precautions & Warnings

When prescribing Macrogol 4000, clinicians should consider several safety precautions to minimize risks.

  • Assess hydration status: ensure patients are adequately hydrated before initiating therapy.
  • Use with caution in renal impairment: monitor kidney function as fluid shifts may affect renal clearance.
  • Avoid in intestinal obstruction: the drug can exacerbate blockage and cause perforation.
  • Monitor electrolytes during prolonged use: prolonged laxation may lead to electrolyte disturbances.
  • Pregnancy and lactation: consult a healthcare professional before use.
  • Store at ambient temperature: keep in the original container, protect from moisture and heat.

Avoid Interactions

Macrogol 4000 can interact with other medicines, influencing its safety or effectiveness.

Major Interactions (Avoid)

  • Concurrent use of other osmotic laxatives: may cause severe electrolyte imbalance and dehydration.
  • High‑dose mineral oil: can impair absorption of fat‑soluble vitamins and other oral drugs.

Moderate Interactions (Monitor Closely)

  • Diuretics: combined fluid loss may increase risk of dehydration.
  • Cardiac glycosides: electrolyte shifts from laxation can affect drug levels.
  • Antacids: may alter gastrointestinal pH and affect drug dissolution.
  • Anticholinergic agents: reduced gut motility may lessen laxative efficacy.

Frequently Asked Questions

Macrogol Generis contains macrogol 4000, an osmotic laxative. It is used to relieve constipation, to treat occasional or chronic constipation, and to prepare the bowel before diagnostic procedures such as colonoscopy. The product works by increasing water in the intestinal lumen, which softens stool and promotes regular bowel movements.

Macrogol 4000 is a high‑molecular-weight polyethylene glycol that is minimally absorbed. It creates an osmotic gradient that draws water into the intestinal tract, increasing stool volume and softness. The added bulk stimulates peristaltic activity, facilitating the passage of stool through the colon.

The dosage of Macrogol Generis is individualized by the prescribing healthcare professional based on the patient’s age, severity of constipation, and clinical response. The prescriber determines the appropriate amount, frequency, and duration of therapy, and patients should follow the written instructions on the prescription label.

Safety data for macrogol 4000 in pregnancy and lactation are limited. Healthcare providers generally recommend using the product only if the potential benefit outweighs any possible risk to the fetus or infant. Pregnant or nursing women should discuss use with their physician before starting treatment.

To place an order, visit the product page on gnhindia.com, enter the required quantity, and submit the enquiry form. GNH India works with hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details and any necessary import documentation.

Compared with stimulant laxatives, macrogol 4000 acts osmotically, softening stool without stimulating intestinal nerves, which often results in fewer cramping side effects. Unlike saline laxatives, it is not absorbed systemically, reducing the risk of electrolyte disturbances when used as directed. Choice of therapy depends on patient needs and clinician judgment.

Macrogol Generis should be stored at ambient temperature, below 25 °C (77 °F). Keep the product in its original packaging, protect it from moisture and direct sunlight, and ensure the container is tightly closed to maintain stability throughout its shelf life.

The product is taken orally, usually dissolved in a measured amount of water or another suitable liquid as directed by the prescriber. It can be consumed with or without food, but patients should follow the specific preparation instructions provided on the label or by their healthcare professional.

The most serious risks include severe dehydration, electrolyte imbalances such as low sodium or potassium, and rare allergic reactions that may present as rash, swelling or breathing difficulty. Patients experiencing these symptoms should seek immediate medical attention.

Macrogol Generis is contraindicated in individuals with known hypersensitivity to macrogol or polyethylene glycol, in patients with intestinal obstruction, perforation, or severe inflammatory bowel disease, and in those for whom laxative therapy is medically inappropriate. Clinicians should evaluate each patient’s medical history before prescribing.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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