Product image of Nolotil (Metamizole Magnesium) supplied by GNH India

Nolotil

Active Ingredient:
Metamizole Magnesium
Origin:
EU

Nolotil (Metamizole Magnesium)

Metamizole, the active ingredient in Nolotil, is a pyrazolone presented as an oral tablet for oral use. It is employed to relieve moderate to severe pain and to reduce fever in adult patients. The drug acts centrally and peripherally to provide analgesic and antipyretic effects.

GNH India supplies Nolotil as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, including major academic medical centres.

Manufacturer / TM Owner

Boehringer Ingelheim Portugal, Lda.

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Indications & Clinical Uses

Nolotil (metamizole) is indicated for conditions involving pain and fever, acting on the prostaglandin pathway.

  • Acute pain: provides rapid analgesic relief in short‑term severe pain episodes.
  • Post‑operative pain: helps control discomfort following surgical procedures.
  • Fever: lowers elevated body temperature in febrile states.

How It Works

  • Metamizole inhibits cyclooxygenase enzymes, decreasing prostaglandin synthesis. This reduction dampens peripheral nociceptive signaling and also produces central analgesic effects by modulating spinal pain pathways, resulting in both pain relief and antipyretic activity.

Side Effects

Metamizole may cause a range of adverse reactions, varying from mild to severe.

Common Side Effects

  • Nausea: mild to moderate upset stomach.
  • Vomiting: occasional emesis.
  • Dizziness: transient light‑headedness.
  • Headache: mild cranial discomfort.
  • Skin rash: mild erythema or itching.
  • Hypotension: occasional drop in blood pressure.

Serious or Rare Side Effects

  • Agranulocytosis: severe reduction of white blood cells, potentially life‑threatening.
  • Severe skin reactions: such as Stevens‑Johnson syndrome.
  • Anaphylaxis: acute allergic response requiring emergency care.
  • Hepatic injury: rare liver function abnormalities.
  • Blood dyscrasias: other serious hematologic disorders.
  • Renal impairment: rare acute kidney injury.

Precautions & Warnings

Before initiating therapy, clinicians should evaluate patient risk factors and monitor for adverse events.

  • Blood count monitoring: perform baseline and periodic leukocyte counts.
  • Hypersensitivity: avoid in patients with known allergy to metamizole or other pyrazolones.
  • Renal function: use caution in patients with impaired kidney function.
  • Concomitant infection: monitor closely for signs of infection due to potential neutropenia.
  • Store at ambient temperature below 25°C: keep in the original pack, protect from moisture.

Avoid Interactions

Metamizole can interact with several medicines, requiring attention to avoid harmful effects.

Major Interactions (Avoid)

  • Warfarin: increased risk of bleeding.
  • Cytotoxic chemotherapy agents: enhanced myelosuppression.
  • Sulfonamide antibiotics: additive risk of agranulocytosis.

Moderate Interactions (Monitor Closely)

  • ACE inhibitors: possible additive hypotensive effect.
  • Diuretics: risk of electrolyte imbalance.
  • Lithium: potential alteration of serum lithium levels.

Frequently Asked Questions

Nolotil contains metamizole magnesium and is used as an analgesic and antipyretic. It is prescribed to relieve moderate to severe pain, such as post‑operative or acute pain, and to reduce fever in adult patients when other options are unsuitable.

Metamizole works by inhibiting cyclooxygenase enzymes, which reduces the synthesis of prostaglandins. Lower prostaglandin levels diminish peripheral pain signaling and also produce central analgesic effects, while the antipyretic action results from resetting the hypothalamic temperature set‑point.

The appropriate dose of Nolotil is determined by the prescribing clinician based on the patient’s condition, age, weight, and renal function. Dosage regimens are individualized and should follow the prescriber’s instructions and local regulatory guidelines.

The safety of metamizole during pregnancy and lactation has not been firmly established, and it is generally classified as contraindicated or used only when the potential benefit outweighs the risk. Women who are pregnant, planning pregnancy, or breastfeeding should discuss alternatives with their healthcare provider.

To order Nolotil, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India supplies hospitals, pharmacies and procurement teams worldwide, and will request verification of trade or institutional credentials before providing pricing, availability, shipping details and any necessary import documentation.

Metamizole provides analgesic and antipyretic effects similar to paracetamol but is often considered more potent for severe pain. Unlike many NSAIDs, it has minimal anti‑inflammatory activity and a lower risk of gastrointestinal irritation, but it carries a rare risk of agranulocytosis, which is not typical for paracetamol or standard NSAIDs.

Nolotil tablets should be stored at ambient temperature below 25 °C, in their original packaging, and protected from moisture and direct sunlight. Keep the product out of reach of children and avoid storing in damp or excessively hot environments.

Nolotil is administered orally, usually as a tablet that is swallowed whole with water. The exact method of administration, including whether it should be taken with food, is determined by the prescribing physician based on the individual treatment plan.

The most serious risk associated with Nolotil is agranulocytosis, a potentially life‑threatening drop in white blood cells. Patients should be monitored for signs of infection, such as fever or sore throat, and immediate medical attention is required if these symptoms appear.

Nolotil should be avoided in individuals with known hypersensitivity to metamizole or other pyrazolones, in patients with a history of agranulocytosis, and in children where safety has not been established. Caution is also advised for patients with severe renal or hepatic impairment.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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