Europe — EMA
Novaminsulfon (Metamizole Sodium Monohydrate)
GNH USA supplies Novaminsulfon (Metamizole Sodium), a pyrazolone analgesic for pain, fever and postoperative discomfort. Request a quote for global supply.
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What is Metamizole Sodium Monohydrate?
Metamizole Sodium, the active ingredient in Novaminsulfon, is a pyrazolone analgesic presented as an injectable solution for intramuscular or intravenous use. It provides analgesic and antipyretic effects for acute pain, postoperative discomfort, fever, and colic in adult patients.
GNH USA supplies Novaminsulfon as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals worldwide. The company adheres to stringent quality standards and offers reliable global distribution.
What is Metamizole Sodium Monohydrate used for?
Novaminsulfon (metamizole sodium) is employed in the management of pain and fever across several clinical situations.
- Pain: Provides analgesic relief for acute and moderate pain conditions. - Fever: Reduces elevated body temperature in febrile states. - Postoperative pain: Controls pain following surgical procedures. - Colic: Alleviates visceral pain associated with intestinal colic.
What are the side effects of Metamizole Sodium Monohydrate?
Novaminsulfon may cause a range of adverse reactions, varying from mild to severe.
Common Side Effects: - Nausea - Vomiting - Dizziness - Hypotension - Injection site pain - Rash
Serious or Rare Side Effects: - Agranulocytosis - Anaphylactic shock - Stevens‑Johnson syndrome - Toxic epidermal necrolysis - Severe blood dyscrasias - Renal impairment
What precautions apply to Metamizole Sodium Monohydrate?
When using Novaminsulfon, several precautions should be observed to minimize risk.
- Monitor blood counts: regular hematologic testing is recommended to detect agranulocytosis early. - Avoid in known hypersensitivity: discontinue if allergic reactions occur. - Use caution in renal impairment: dose adjustment may be required. - Consider alternative in pregnancy: safety data are limited, avoid unless essential. - Store at 2-8°C: keep refrigerated, protect from light, do not freeze or shake.
What does Metamizole Sodium Monohydrate interact with?
Novaminsulfon can interact with other medicines; awareness of the interaction level helps guide safe use.
Major Interactions (Avoid): - Concurrent myelotoxic agents: increased risk of severe neutropenia. - Combination with other pyrazolones: additive risk of blood dyscrasias. - Co‑administration with ACE inhibitors: may potentiate hypotensive effects.
Moderate Interactions (Monitor Closely): - NSAIDs: additive gastrointestinal irritation. - Corticosteroids: heightened infection susceptibility. - Alcohol: may enhance central nervous system depression.



