Europe — EMA
Metagelan (Metamizole Sodium Monohydrate)
GNH USA supplies Metagelan (Metamizole Sodium Monohydrate), a pyrazolone analgesic for pain, fever and postoperative discomfort.
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What is Metamizole Sodium Monohydrate?
Metamizole Sodium Monohydrate, the active ingredient in Metagelan, is a pyrazolone analgesic presented as an oral dosage form for oral use. It provides analgesic and antipyretic effects for the treatment of pain and fever in adults.
GNH USA supplies Metagelan as a licensed, GDP-compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.
What is Metamizole Sodium Monohydrate used for?
Metamizole Sodium Monohydrate is employed for pain and fever management by inhibiting prostaglandin synthesis pathways.
- Pain: reduces moderate to severe acute pain. - Fever: lowers elevated body temperature in febrile states. - Postoperative pain: alleviates discomfort following surgical procedures. - Colic: eases visceral pain associated with gastrointestinal colic.
What are the side effects of Metamizole Sodium Monohydrate?
Metagelan may cause a range of adverse reactions, most of which are dose‑related and reversible.
Common Side Effects: - Nausea: mild to moderate gastrointestinal upset. - Dizziness: transient light‑headedness. - Skin rash: erythematous or maculopapular eruptions. - Elevated liver enzymes: transient hepatic enzyme rise.
Serious or Rare Side Effects: - Agranulocytosis: severe reduction in white blood cells, requiring immediate medical attention. - Anaphylactic reaction: rapid onset of airway swelling, hypotension, and urticaria.
What precautions apply to Metamizole Sodium Monohydrate?
Metagelan should be used with caution in specific patient populations and clinical situations.
- Renal impairment: assess kidney function before initiating therapy. - Hepatic disease: monitor liver enzymes during treatment. - Hematologic disorders: avoid in patients with a history of agranulocytosis. - Concomitant NSAIDs: increase risk of gastrointestinal bleeding. - Pregnancy and breastfeeding: use only if the potential benefit justifies the potential risk. - Store at ambient temperature: keep below 25°C, in the original packaging, protected from moisture and direct sunlight.
What does Metamizole Sodium Monohydrate interact with?
Metagelan can interact with several medicines, altering efficacy or safety.
Major Interactions (Avoid): - Anticoagulants (e.g., warfarin): heightened bleeding risk. - Immunosuppressants (e.g., azathioprine): may exacerbate bone‑marrow suppression.
Moderate Interactions (Monitor Closely): - Other NSAIDs or COX inhibitors: additive gastrointestinal toxicity. - Diuretics: possible reduction in renal clearance. - Lithium: increased lithium levels may occur. - Methotrexate: enhanced toxicity risk.



