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 systemic use. It reduces uric acid production and is employed in the management of gout, chronic hyperuricemia, and prevention of tumor lysis syndrome in at‑risk patients, primarily in adult patients.

GNH India supplies Milurit as a licensed, GDP‑compliant international pharmaceutical product to hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides reliable logistics for global distribution, including regulatory compliance and timely delivery.

Manufacturer / TM Owner

Egis Pharmaceuticals Plc

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Indications & Clinical Uses

Allopurinol acts on purine metabolism to lower uric acid levels, making it useful in several clinical situations.

  • Gout: reduces serum uric acid to prevent acute attacks and chronic joint damage.
  • Hyperuricemia: maintains target uric acid concentrations to avoid crystal deposition.
  • Tumor lysis syndrome prophylaxis: lowers uric acid surge during cancer chemotherapy.
  • Uric acid nephrolithiasis: helps prevent stone formation.

How It Works

  • Allopurinol is a structural analogue of hypoxanthine that competitively inhibits the enzyme xanthine oxidase. By blocking this key step in purine catabolism, the conversion of hypoxanthine to xanthine and xanthine to uric acid is reduced, leading to lower serum uric acid concentrations and decreased crystal formation.

Side Effects

Allopurinol may be associated with a range of adverse reactions, varying from mild to severe.

Common Side Effects

  • Rash or mild skin irritation.
  • Nausea or upset stomach.
  • Diarrhea.
  • Elevated liver enzymes.

Serious or Rare Side Effects

  • Stevens‑Johnson syndrome or toxic epidermal necrolysis.
  • Drug hypersensitivity syndrome with fever and organ involvement.
  • Agranulocytosis or severe bone‑marrow suppression.
  • Acute hepatitis.
  • Severe renal impairment.

Precautions & Warnings

Use Milurit with caution in specific clinical contexts and monitor relevant parameters.

  • Renal impairment: dose may need adjustment and renal function should be monitored.
  • Hepatic disease: use cautiously and monitor liver enzymes regularly.
  • Allergy history: avoid if the patient has previously experienced hypersensitivity to allopurinol.
  • Concomitant azathioprine or mercaptopurine: increased risk of myelosuppression; monitor blood counts.
  • Store at ambient temperature: keep in the original container, protect from moisture and heat.

Avoid Interactions

Allopurinol can interact with several medicines; some require avoidance while others need close monitoring.

Major Interactions (Avoid)

  • Azathioprine or mercaptopurine: combined use can markedly increase myelosuppression.
  • Warfarin: allopurinol may potentiate anticoagulant effect; INR should be closely monitored.

Moderate Interactions (Monitor Closely)

  • Thiazide diuretics: may reduce allopurinol clearance, requiring uric‑acid monitoring.
  • ACE inhibitors: occasional rise in serum creatinine; renal function should be checked.
  • High‑dose vitamin C: can affect uric‑acid levels; observe for therapeutic response.

Frequently Asked Questions

Milurit contains allopurinol, which is prescribed to lower elevated uric acid levels. It is used to treat acute and chronic gout, manage persistent hyperuricemia, and prevent the rapid rise in uric acid that can occur during tumor lysis syndrome in patients receiving chemotherapy.

Allopurinol is a competitive inhibitor of the enzyme xanthine oxidase. By blocking this enzyme, it reduces the conversion of hypoxanthine and xanthine into uric acid, thereby decreasing the amount of uric acid produced in the body and limiting crystal formation in joints and kidneys.

The appropriate dose of Milurit is determined by the prescribing healthcare professional based on the individual’s condition, renal function, and response to therapy. Dosage may be started low and titrated upward, but exact amounts should only be set by a qualified prescriber.

Allopurinol’s pregnancy category is not definitively established, and safety data are limited. It should only be used during pregnancy or lactation when the potential benefit outweighs any possible risk to the fetus or infant, and under close medical supervision.

To request Milurit, submit an enquiry on the 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 and any necessary import documentation.

The primary alternative to allopurinol is febuxostat, another xanthine oxidase inhibitor. Both lower uric acid, but febuxostat may be preferred in patients with moderate renal impairment because it is less dependent on renal clearance. However, allopurinol remains the first‑line choice for most patients due to its long‑standing safety profile and lower cost.

Milurit tablets should be stored at ambient temperature, preferably below 25 °C. Keep them in the original packaging, protect from moisture and direct sunlight, and ensure the container is tightly closed to maintain product stability throughout its shelf life.

Milurit is taken orally, usually with a full glass of water. It can be taken with or without food, but consistent administration with meals may reduce gastrointestinal discomfort. Patients should follow the prescriber’s instructions regarding timing and any dose‑adjustments.

The most severe adverse events include hypersensitivity reactions such as Stevens‑Johnson syndrome, toxic epidermal necrolysis, and drug reaction with eosinophilia and systemic symptoms (DRESS). Agranulocytosis, severe hepatitis, and acute renal failure are also rare but critical complications that require immediate medical attention.

Milurit should be avoided in patients with a known hypersensitivity to allopurinol or any component of the formulation. Caution is also advised for individuals with severe renal or hepatic impairment, and it is contraindicated in patients receiving concurrent azathioprine or mercaptopurine without dose adjustment.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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