Product image of Novaminsulfon 500 (Metamizole Sodium Monohydrate) supplied by GNH India

Novaminsulfon 500

Active Ingredient:
Metamizole Sodium Monohydrate
Origin:
EU

Novaminsulfon 500 (Metamizole Sodium Monohydrate)

Metamizole sodium, the active ingredient in Novaminsulfon 500, is a pyrazolone analgesic presented as a 500 mg oral tablet for systemic use. It is employed to relieve moderate to severe pain and to reduce fever in adult patients, particularly when other analgesics are insufficient or not tolerated.

GNH India supplies Novaminsulfon 500 as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, providing EU‑sourced product quality and regulatory compliance while ensuring consistent batch release and supporting global distribution networks.

Manufacturer / TM Owner

1 A Pharma Gmbh

1
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Indications & Clinical Uses

Novaminsulfon (metamizole sodium) is used in the management of pain and fever across several clinical situations.

  • Pain: provides analgesic relief for moderate to severe acute pain.
  • Fever: reduces elevated body temperature in febrile conditions.
  • Post‑operative pain: controls pain after surgical procedures.
  • Cancer‑related pain: helps manage breakthrough pain when other agents are inadequate.

How It Works

  • Metamizole sodium exerts its effect primarily by inhibiting cyclooxygenase enzymes, which reduces prostaglandin synthesis, and by modulating endogenous opioid pathways in the central nervous system. The combined anti‑inflammatory and central analgesic actions lead to decreased pain perception and antipyretic effect, although the precise molecular mechanisms remain incompletely defined.

Side Effects

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

Common Side Effects

  • Nausea: mild gastrointestinal upset.
  • Vomiting: occasional episodes.
  • Dizziness: transient light‑headedness.
  • Headache: mild tension‑type pain.
  • Skin rash: mild erythema or pruritus.

Serious or Rare Side Effects

  • Agranulocytosis: severe reduction in white blood cells, potentially life‑threatening.
  • Anaphylactic reaction: acute hypersensitivity with airway compromise.
  • Stevens‑Johnson syndrome: severe mucocutaneous eruption.
  • Hepatic dysfunction: elevated liver enzymes indicating liver injury.
  • Severe hypotension: sudden drop in blood pressure requiring medical intervention.

Precautions & Warnings

When prescribing Metamizole sodium, clinicians should consider several safety precautions to minimize risk.

  • Renal impairment: adjust use in patients with reduced kidney function.
  • Hepatic disease: avoid or monitor in liver dysfunction.
  • History of blood dyscrasias: contraindicated in prior agranulocytosis.
  • Concomitant immunosuppressants: increased infection risk.
  • Pregnancy and lactation: use only if benefit outweighs risk.
  • Store at ambient temperature: keep below 25 °C in original container, protect from moisture and direct sunlight.

Avoid Interactions

Metamizole sodium can interact with other medicines, affecting efficacy or safety.

Major Interactions (Avoid)

  • Anticoagulants: may enhance bleeding risk.
  • Cyclosporine: increased risk of nephrotoxicity.

Moderate Interactions (Monitor Closely)

  • NSAIDs: additive gastrointestinal irritation.
  • Lithium: may increase serum lithium levels.
  • Methotrexate: possible enhanced toxicity.
  • ACE inhibitors: potential for reduced renal function.

Frequently Asked Questions

Novaminsulfon 500 contains metamizole sodium and is indicated for the relief of moderate to severe pain and for the reduction of fever. It is commonly used when other analgesics or antipyretics are insufficient or not tolerated, including acute postoperative pain and cancer‑related breakthrough pain.

Metamizole sodium works by inhibiting cyclooxygenase enzymes, which lowers prostaglandin production, and by influencing endogenous opioid pathways in the central nervous system. This dual action reduces inflammation‑mediated pain signals and produces a fever‑lowering effect, although the exact molecular details are not fully clarified.

The appropriate dose of Novaminsulfon 500 is determined by the prescribing healthcare professional based on the individual’s clinical condition, severity of symptoms, and response to therapy. Patients should follow the prescriber’s instructions and not adjust the dose without medical guidance.

Safety data for metamizole sodium during pregnancy and lactation are limited. It should only be used when the potential benefit to the mother outweighs any possible risk to the fetus or infant, and only under the direction of a qualified healthcare provider.

To order Novaminsulfon 500, 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 (including any cold‑chain requirements) and necessary import documentation.

Novaminsulfon (metamizole) differs from traditional NSAIDs by having a distinct pyrazolone structure and a lower incidence of gastrointestinal irritation, but it carries a unique risk of blood dyscrasias such as agranulocytosis. Compared with opioids, it provides analgesia without typical opioid‑related respiratory depression, making it a useful alternative in certain clinical scenarios.

Novaminsulfon 500 tablets should be stored at ambient temperature, preferably below 25 °C, in the original packaging to protect them from moisture and direct sunlight. Keep the container tightly closed and out of reach of children.

Novaminsulfon 500 is administered orally, typically as a whole tablet swallowed with water. The exact administration schedule, including timing relative to meals, is determined by the prescribing clinician based on the therapeutic need.

The most serious adverse reactions associated with Novaminsulfon 500 include agranulocytosis, which can lead to severe infection, and hypersensitivity reactions such as anaphylaxis or Stevens‑Johnson syndrome. Patients should be monitored for signs of infection, skin eruptions, or respiratory distress and seek immediate medical attention if these occur.

Novaminsulfon 500 should be avoided in individuals with a known hypersensitivity to metamizole or other pyrazolones, those with a history of agranulocytosis or severe blood dyscrasias, and patients with severe hepatic or renal impairment unless specifically directed by a physician.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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