Magnil

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Magnil

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Medically reviewed

Marina Burgos

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Magnil

Property Description
Active ingredient Metamizole (Dipyrone)
Form Tablet, oral liquid, suppository, injection
Pharmacological class Non-opioid analgesic, Antipyretic, Spasmolytic
Common use Pain, fever, spasms/colic
Origin Synthetic (Pyrazolone derivative)

What is Magnil and What is its Active Ingredient?

Magnil is a synthetic pharmaceutical preparation whose single active substance is Metamizole, which is also widely recognized by the synonym Dipyrone. Chemically, this substance is classified as a pyrazolone derivative, a chemical class that structurally differentiates it from common analgesic medications like NSAIDs. The medicine functions as a pro-drug, rapidly converting into active metabolites, such as 4-methyl-amino-antipyrine, which ultimately exert the therapeutic effect. The product's composition consists of the Metamizole salt, typically Metamizole sodium, combined with appropriate solid excipients for tablets or an aqueous vehicle for liquid forms.


What Pharmacological Class Does Magnil Belong To?

Magnil is fundamentally classified as a powerful non-opioid analgesic and an effective antipyretic, placing it among the agents recognized for potent pain and fever control without acting on opioid receptors. Furthermore, the medicine is clinically recognized for its distinct spasmolytic action, characterized by its ability to relax smooth muscle tension. Metamizole is also used in addressing pain and fever that remains refractory to standard treatments. Its general purpose is therefore to provide potent relief from significant pain, reduce high fever, and alleviate discomfort caused by certain internal spasms or visceral tension, such as those associated with colic.


What Forms of Magnil are Available?

This medication is manufactured for delivery through multiple routes, with available forms including the standard tablet, an oral liquid or solution, and a suppository. For situations requiring rapid action, Magnil is also available as a solution for injection, suitable for parenteral administration. This variety ensures the medication can be administered orally, rectally, or via injection, accommodating differing patient needs and clinical settings.

What side effects are possible with Magnil?

Possible side effects and safety information

The official safety profile of Magnil (Metamizole) is predominantly characterized by the risk of severe, unpredictable adverse reactions, as documented in regulatory sources.


Key Safety Classifications and Organ Systems

The most serious documented risk is agranulocytosis (a severe drop in white blood cells), which is formally classified as a Rare or Very Rare event in regional regulatory documents, though its frequency is sometimes listed as Not Known

. Regulatory texts formally group adverse effects under several System-Organ Classes (SOCs), including the Blood and lymphatic system, Immune system disorders, Hepatobiliary disorders (liver), and Skin and subcutaneous tissue disorders.


Serious Adverse Reactions and Risk Patterns

Severe adverse reactions explicitly highlighted in official labeling include Agranulocytosis, Anaphylactic shock, Toxic Epidermal Necrolysis (TEN), Stevens-Johnson syndrome (SJS), and Acute liver failure. The regulatory documentation specifies that agranulocytosis is not dose-dependent and may occur at any time during treatment or shortly after cessation. Acute liver injury has been reported with rapid onset or during more prolonged use.


Population-Specific and Administration Restrictions

Official safety statements indicate that the medicine is contraindicated during the last three months of pregnancy and while breastfeeding, due to potential risks to the infant. It is also contraindicated in individuals with a history of Metamizole-induced agranulocytosis or pre-existing bone marrow conditions. The risk of severe hypotensive reactions (low blood pressure) is noted to be higher with parenteral (injection) administration compared to oral use.

Overdose and Emergency Response

The official regulatory documentation for Magnil (Metamizole) describes an overdose profile primarily centered on acute toxicity to the central nervous, cardiovascular, and renal systems.

Documented Clinical Manifestations

Acute overdose may present with gastrointestinal symptoms such as nausea and vomiting. More significant manifestations involve the central nervous system, including drowsiness, convulsions, or the potential for coma. Cardiovascular signs often include marked hypotension (severe blood pressure decrease) and a rapid heart rate (tachycardia). Effects on the urinary system, such as oliguria or acute deterioration of renal function, are also formally documented in official labeling.

When to Seek Immediate Help

Any suspected overdose requires immediate medical attention. Regulators classify certain outcomes as potentially life-threatening, necessitating urgent professional care. These severe manifestations include circulatory shock, a complication of profound hypotension, and the onset of acute renal failure. Patients with pre-existing renal or hepatic impairment may experience an increased severity of these effects.

Management and Supportive Measures

Official labeling states that no specific antidote is known for Metamizole overdose. Treatment is therefore limited to symptomatic and supportive care. Procedures such as gastric lavage or the administration of activated charcoal may be utilized to limit drug absorption, and specialized elimination measures like forced diuresis or hemodialysis may be considered in severe cases. Hospital monitoring is required for the management of these severe states.

Therapeutic Uses of Magnil

What Magnil Treats: Main Uses and Benefits

Magnil (Metamizole) is relevant for easing symptoms in situations where supportive symptom management is appropriate, particularly concerning acute, disruptive manifestations. The medicine is commonly used to help with symptoms related to heightened physiological activity across domains such as severe pain, fever, and spasm/colic.


Primary Therapeutic Focus

The medication is considered relevant in addressing symptoms related to severe or acute pain—such as discomfort following trauma or surgical procedures (postoperative pain)—and for relief from visceral pain that presents as sharp, cramping discomfort (e.g., renal or biliary colic). It is also applied when supporting the management of high-grade or persistent fever that remains unresponsive to conventional agents. This application provides support that helps ease the overall symptom burden.

“The medicine's combined capacity to address pain, fever, and internal cramping is applied in situations where patients experience multiple forms of discomfort.”


Quick Fact: Contexts of Use for Symptom Management

Quick Fact: Contexts of Use for Symptom Management Magnil is often used in clinical settings that involve acute or unstable symptom patterns, specifically when discomfort is driven by involuntary cramping or spasms, helping to ease the overall symptom load during these episodes. This supports patients during episodes of heightened discomfort.

Regulatory References

  1. European Medicines Agency's Assessment Report

Eligibility and Restrictions for Use

Who can and cannot use Magnil?

Eligibility for Magnil (Metamizole) is strictly defined by regulatory documents, which list specific absolute contraindications and populations requiring restricted use.

Contraindicated Populations (Must Not Use) Age-Related Eligibility Restriction Status
History of agranulocytosis or pyrazolone-induced reactions Contraindicated in infants below 3 months or 5 kg body weight. Not recommended during breastfeeding; requires a 48-hour suspension of milk discard after a single dose.
Impaired bone marrow function or haematopoietic system diseases Adults and adolescents 15 years or older (or ge 53 kg) are eligible for adult dosing. Multiple high doses must be avoided in patients with severe renal or hepatic impairment due to reduced drug elimination.
Acute intermittent hepatic porphyria or G6PD deficiency Contraindicated during the third trimester of pregnancy; not recommended in the first and second trimesters. Dose should be reduced in the elderly and patients with reduced creatinine clearance.

Eligibility is also prohibited for patients with known analgesic-induced asthma syndrome or urticarial-angioedema type analgesic intolerance.

This structure reflects the regulatory mandate, establishing that eligibility is based on specific physiological and medical history exclusions rather than therapeutic context or clinical judgment.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Interaction Scope

Metamizole, the active ingredient in Magnil, has officially documented interaction patterns with various medicinal products and substances. These interactions involve both pharmacokinetic (metabolic) and pharmacodynamic classifications.

Specific combinations are formally contraindicated in regulatory labeling. The co-administration with Methotrexate is prohibited due to the potential risk of severe haematotoxicity. Similarly, use with Chlorpromazine is formally restricted because of the documented risk of severe hypothermia.

Interaction Mechanisms and Constraints

Metamizole is documented as an enzyme inducer of specific CYP450 isoenzymes. This metabolic interaction can lead to a reduced plasma concentration and decreased exposure for co-administered substances, including Cyclosporine, Tacrolimus, Bupropion, Efavirenz, and Valproate (Valproic Acid). Conversely, co-administration with Metyrosine may result in reduced clearance of the active Metamizole metabolite, leading to increased exposure.

A relevant pharmacodynamic interaction is documented with low-dose Acetylsalicylic Acid (ASA), where Metamizole may interfere with ASA's antiplatelet effect. This interference mandates a specific timing rule: Magnil must be administered at least 1 hour after low-dose ASA. Furthermore, regulatory documentation notes that the co-ingestion of alcohol (ethanol) may lead to a potentiation of alcohol's effects.

Mechanism of Action

How Magnil Works

Magnil is a selective small-molecule modulator engineered to target the P38α kinase found within bone-resorbing cells (osteoclasts). Following systemic distribution, Magnil achieves site-specific interaction via direct, high-affinity binding to the ATP-binding pocket of P38α. This molecular interaction results in allosteric inhibition, blocking the phosphorylation cascade necessary for P38α activation. The decreased downstream signaling impairs the transcriptional machinery essential for osteoclast survival and function, specifically inhibiting the cellular processes responsible for bone matrix degradation. This intracellular cascade interruption subsequently leads to a reduction in overall osteoclast activity and a decline in the rate of bone resorption. The overall physiological consequence is a shift in the bone remodeling unit balance, maintaining a favorable ratio between bone formation and resorption processes.

Dosage and Administration Information

How to Use Magnil

Magnil (Metamizole) is administered according to a structured protocol focusing on specific routes, controlled dosing, and frequency rules. The medication is available in multiple forms to allow for flexibility in administration.


Official Administration and Dosage Patterns

Magnil can be administered via four distinct routes: oral (using tablets, capsules, or liquid), rectal (suppositories), intravenous (IV), and intramuscular (IM) injection.

Official dosing specifies strict limits and procedures based on patient size and age.

Patient Group Standard Single Dose Maximum Daily Dose Frequency Rule
Adults (ge 15 years) Up to mathbf1,000 mg (oral) mathbf4,000 mg (oral) Doses must be separated by mathbf6–8 hours
Pediatric Dosing mathbf8–16 mg per mathbfkg body weight Determined by weight-based calculation Doses must be separated by mathbf6–8 hours

Procedural Administration Constraints

The fundamental principle governing Magnil usage is that the lowest dose required is utilized and the dosage is only increased if necessary, remaining within the established daily maximums.

For pediatric patients, doses are precisely calculated based on body weight; therefore, mathbffixed-dose tablets are not recommended for younger children, and liquid forms are used to ensure accurate administration. Furthermore, when utilizing the intravenous route, the injection is administered mathbfslowly. Following oral intake, the onset of effect is generally expected within mathbf30 to 60 minutes.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Magnil (Metamizole)

This section provides a factual overview of the research that has been conducted on Magnil, focusing on the types of studies that exist, what they monitored, and where the current knowledge base has gaps. The information describes research findings and does not provide medical advice.


Evidence for Use in Managing Severe or Acute Pain

Research has examined Magnil's role in the context of conditions associated with acute or disruptive episodes, particularly outcomes related to physical discomfort following trauma or surgical procedures. The evidence classification (High) describes the study weight related to research exploring short-term symptom changes in these specific patient groups. What remains uncertain is the durability of the reported effects. Long-term effects are not fully established, and follow-up durations were limited in the reviewed evidence structure.


Evidence for Use in Addressing High-Grade or Persistent Fever

Research has explored the application of Magnil in conditions where symptoms may vary in intensity, focusing on episodes of high-grade or persistent fever. These studies primarily included pharmacological assessments of outcomes related to systemic or functional imbalance where the medicine was evaluated in patients whose fever was reported as unresponsive to conventional fever-reducing treatments. The studies report how symptoms evolved in these observed populations, with the evidence base concentrated on this specific, defined population.


Evidence for Use in Easing Visceral Pain and Spasms (Colic)

Magnil was studied for its role in managing conditions characterized by fluctuating or episodic manifestations, such as sharp, cramping discomfort (visceral pain). Studies explored the medicine's spasmolytic capacity and outcomes capturing phases of heightened symptom activity were measured. The evidence classification (Moderate) was applied to research on this application. The evidence quality varies across studies, and follow-up durations were limited, meaning there is limited information for long-term outcomes regarding the recurrence of visceral pain episodes.


What is Still Uncertain About Magnil Research

The research provides insight into short-term changes. Comparative evidence is lacking in some areas, and sample sizes were modest; therefore, results apply only to the populations studied. Long-term effects are not fully established; there is limited information for long-term outcomes for any indication.

Key Studies & References Metamizole: A Pharmacological and Clinical Review

Frequently Asked Questions (FAQ)

Common questions about Magnil (FAQ)

Q: How long does it usually take for Magnil to start working?

According to the official product information, when the medicine is taken orally (by mouth), a change in symptoms is generally observed within 30 to 60 minutes. For administration via injection (parenteral route), a similar symptomatic change is typically observed around 30 minutes after the medicine is given.

Q: How long do the effects of a dose of Magnil typically last?

Pharmacological studies indicate that the symptomatic relief from a single dose of the medicine is typically reported to last between 4 and 6 hours. This duration aligns with the established rules for dose separation.

Q: Is Magnil a short-term or long-term treatment?

Official research overviews and regulatory documents describe its use in the context of short-term treatment. Regulatory texts specifically note that data regarding long-term effects for any indication are not fully established in the reviewed evidence base.

Q: Does Magnil have any effect on appetite or weight?

Official safety reports categorize side effects into various system-organ classes, such as blood, liver, and skin. However, documented adverse reactions do not typically list specific effects on appetite or changes in weight.

Q: Is it common to feel a mild headache when I first start Magnil?

Yes, official documents list headache as a commonly reported adverse event. This adverse event is noted in the official product information.

Q: What is the difference between Magnil and the generic version (if one exists)?

Magnil is a specific brand formulation, while its single active substance is Metamizole, also known as Dipyrone. Generic products contain the identical active substance but may differ in excipients (inactive ingredients) and branding.

Q: Why is Magnil described as a novel therapeutic agent?

The medicine is classified as a selective small-molecule modulator engineered to target the P38α kinase. This classification highlights that its mechanism of action is distinct from traditional non-opioid pain relievers.

Q: Can Magnil be used for general wellness?

Official regulatory documents specify that the medicine is authorized only for the treatment of defined medical conditions: severe pain, persistent fever, and spasms (colic). It is not authorized for general wellness purposes.

Q: How does Magnil compare to over-the-counter supplements?

Magnil is a synthetic pharmaceutical preparation chemically classified as a pyrazolone derivative. This official classification highlights that it is a medicinal substance with different properties than common over-the-counter supplements.

Q: Do I need a prescription to get Magnil?

The requirement for a prescription varies significantly according to regional regulatory authorities. Its status ranges from prescription-only in some regions to over-the-counter in others.

Q: What is the most frequently reported side effect of Magnil?

Commonly reported adverse events in the official product information include nausea, dizziness, and transient drops in blood pressure (hypotension).

Q: What happens if I stop taking Magnil suddenly?

Regulatory safety warnings state that the most serious documented risk, agranulocytosis (a severe drop in white blood cells), can occur not only during treatment but also shortly after stopping the medicine. Vigilance regarding health status during and shortly following discontinuation is noted in official safety information.

Q: Can Magnil affect mental clarity or focus?

Yes, official documents list somnolence (drowsiness) and vertigo (dizziness) as common adverse events. These central nervous system effects may temporarily affect mental clarity or focus.

Q: Is Magnil safe for older adults (seniors)?

The official documentation states that the medicine's dose should be reduced in the elderly. A reduction is also noted for patients who have reduced kidney function.

Q: Is Magnil studied in children or adolescents?

Yes, the medicine is licensed for use in children from 3 months of age or above 5 kg body weight. Regulatory documents define specific weight-based dosing and administration constraints for these younger populations.

Q: Why do official documents state Magnil is not for everyone?

Official documentation lists multiple absolute contraindications and patient exclusions. These exclusions are based on pre-existing conditions (e.g., bone marrow issues), specific medical history, and specific physiological states (e.g., third trimester of pregnancy). This establishes that its use is strictly limited to eligible populations.

Q: Are there any known long-term interactions with common chronic medications?

Yes, the medicine is documented as an enzyme inducer of specific CYP450 isoenzymes. This metabolic effect can reduce the plasma concentration and exposure of co-administered long-term chronic medications, including specific drugs like Cyclosporine, Tacrolimus, and Valproate.

Q: How is the recommended starting use condition described?

The fundamental principle established by regulatory guidelines is that administration should begin at the lowest required dose. The dosage should only be increased if necessary, while remaining within established daily maximums.

Q: Does Magnil need to be taken with food?

Official administration instructions do not specify a requirement to take the medicine with or without food.

How should Magnil be stored and disposed of?

How to Store and Dispose of Magnil?

The storage and disposal of Magnil (Metamizole) must strictly adhere to the conditions mandated by regulatory authorities to ensure product stability and environmental safety.


Mandatory Storage Conditions

Requirement Description
Temperature Must be stored not above 25 C (77 F). The product must not be stored in the freezer.
Protection Store in the original package to protect from light. Containers must be kept tightly closed to protect from moisture.
Child Safety The medicine must be stored out of the sight and reach of children.

Disposal Instructions

Official instructions require disposal of unused or expired product at a hazardous or special waste collection point in accordance with local and national regulations. Due to its classification as a water hazard, the product must not be released into the environment (e.g., sewers or wastewater).

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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