Product image of Milurit (Allopurinol) supplied by GNH India

Milurit

Active Ingredient:
Allopurinol
Origin:
EU

Milurit (Allopurinol)

Allopurinol, the active ingredient in Milurit, is a xanthine oxidase inhibitor presented as an oral tablet for oral use. It reduces uric acid production and is employed in the management of gout, chronic hyperuricemia, and to prevent tumor lysis syndrome in oncology patients.
GNH India supplies Milurit as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Egis Pharmaceuticals Plc

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Indications & Clinical Uses

  • Milurit, a xanthine oxidase inhibitor, is indicated for conditions related to excess uric acid production.
  • Gout: lowers serum urate levels to prevent acute attacks and tophi formation.
  • Hyperuricemia: maintains target uric acid concentrations in chronic elevation.
  • Prevention of tumor lysis syndrome: reduces uric acid surge during rapid cancer cell breakdown.

How It Works

  • Allopurinol is metabolised to oxypurinol, which competitively inhibits xanthine oxidase, the enzyme responsible for converting hypoxanthine to xanthine and xanthine to uric acid. By blocking this pathway, the drug decreases the formation of uric acid, thereby lowering serum urate concentrations and reducing crystal deposition in joints and tissues.

Side Effects

Adverse reactions may occur with any dosage form of allopurinol.

Common Side Effects

  • Rash or mild skin irritation
  • Nausea or vomiting
  • Diarrhoea
  • Abdominal discomfort
  • Elevated liver enzymes
  • Mild headache

Serious or Rare Side Effects

  • Severe hypersensitivity reactions (Stevens‑Johnson syndrome, toxic epidermal necrolysis)
  • Agranulocytosis or severe neutropenia
  • Acute interstitial nephritis
  • Hepatotoxicity
  • Severe cutaneous adverse reactions (SCARs)

Precautions & Warnings

  • Allopurinol requires careful monitoring in several clinical situations.
  • Renal impairment: dose may need adjustment and renal function should be monitored.
  • Hypersensitivity history: avoid if the patient has experienced severe reactions to allopurinol.
  • Concurrent chemotherapy: monitor uric acid closely during tumor lysis prophylaxis.
  • Pregnancy and lactation: risk–benefit assessment required due to limited data.
  • Drug interactions: review concomitant medications for potential interactions.
  • Store at ambient temperature: keep below 25 °C, retain in original packaging, protect from moisture and direct sunlight.

Avoid Interactions

Allopurinol can alter the pharmacokinetics of several agents, necessitating vigilance.

Major Interactions (Avoid)

  • Azathioprine or mercaptopurine: risk of severe bone‑marrow suppression.
  • Warfarin: increased anticoagulant effect, monitor INR closely.
  • Cyclosporine: heightened nephrotoxicity risk.
  • Thiazide diuretics: may potentiate hypersensitivity reactions.
  • High‑dose vitamin C: can increase oxalate stone formation.

Moderate Interactions (Monitor Closely)

  • NSAIDs: may enhance renal toxicity.
  • Theophylline: reduced clearance, watch for toxicity.
  • ACE inhibitors: monitor renal function and potassium levels.
  • Allopurinol with other urate‑lowering agents: adjust dose to avoid over‑lowering uric acid.

Frequently Asked Questions

Milurit contains allopurinol, which is used to lower elevated uric acid levels. It is prescribed for the long‑term management of gout, for chronic hyperuricemia, and as a prophylactic agent to prevent tumor lysis syndrome in patients undergoing intensive chemotherapy.

Allopurinol is converted in the body to oxypurinol, a potent inhibitor of the enzyme xanthine oxidase. By blocking this enzyme, the conversion of hypoxanthine and xanthine to uric acid is reduced, leading to lower serum urate concentrations and decreased crystal formation.

The dosage of Milurit is individualized by the prescribing clinician based on the patient’s renal function, uric acid levels, and therapeutic goals. Physicians determine the appropriate strength and frequency, and patients should follow the prescribed regimen exactly.

Allopurinol’s pregnancy category is not definitively established. Use is generally reserved for situations where the potential benefit outweighs possible risks. Breastfeeding mothers should discuss potential exposure with their healthcare provider, as the drug can be excreted in milk.

To request Milurit, 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.

The primary alternative to allopurinol is febuxostat, another xanthine oxidase inhibitor. Allopurinol has a longer market history and is generally less expensive, while febuxostat may be preferred in patients with severe renal impairment because it is less dependent on renal clearance. Choice depends on individual patient factors and physician judgment.

Milurit should be stored at ambient temperature, preferably below 25 °C. Keep the tablets in the original container, protect them from moisture, heat, and direct sunlight. Do not store in bathrooms or near kitchen appliances that generate steam.

Milurit is taken orally, usually with a full glass of water. Tablets can be swallowed with or without food, but consistent administration with respect to meals helps maintain stable drug levels. Patients should not crush or chew the tablets unless specifically instructed by a healthcare professional.

Serious adverse events include severe hypersensitivity reactions such as Stevens‑Johnson syndrome or toxic epidermal necrolysis, agranulocytosis, acute interstitial nephritis, and hepatotoxicity. Any signs of rash, fever, sore throat, jaundice, or unexplained fatigue should prompt immediate medical evaluation.

Milurit is contraindicated in patients with known hypersensitivity to allopurinol or oxypurinol. It should be used with caution in individuals with severe renal impairment, active liver disease, or a history of severe cutaneous adverse reactions. Pregnant or breastfeeding women should only use it when clearly indicated by a physician.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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