Niflugel

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Niflugel

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Medically reviewed

Laura Arias

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 Niflugel

Property Description
Active Ingredient Niflumic Acid
Form Percutaneous Gel
Pharmacological Class Nonsteroidal Anti-inflammatory Drug (NSAID)
Common Purpose Symptomatic local anti-inflammatory and analgesic relief
Origin Synthetic (Fenamate derivative)

Niflugel is a branded pharmaceutical preparation, originally developed by the French UPSA Laboratory, fundamentally defined as a Nonsteroidal Anti-inflammatory Drug (NSAID) that is applied directly to the skin for local relief. Its identity is centered on its single active component, Niflumic Acid, a synthetic small molecule belonging to the specific fenamate class of NSAIDs, which are structurally considered anilinonicotinic acid derivatives. The medication is an analgesic and anti-inflammatory agent designed for symptomatic relief rather than systemic treatment of underlying conditions, and it is typically categorized as a prescription-only (Rx) product.


What Type of Medicine is Niflugel?

Niflugel is a topical, locally acting medicine classified pharmacologically as an NSAID. Its active ingredient is categorized under the WHO ATC system as M02AA17, specifically denoting topical preparations for joint and muscular pain. This coding verifies that the drug's intended route of administration is percutaneous, focusing its therapeutic effects locally in the area of application, a key distinction from systemic NSAID treatments. Niflumic Acid is an NSAID with recognized anti-inflammatory properties.


Composition and Form: Niflumic Acid in a Topical Gel

The Niflugel preparation consists of the active ingredient, Niflumic Acid, typically at a 2.5% concentration, suspended in an aqueous-alcoholic gel base suitable for percutaneous absorption. The pharmaceutical form is a gel, which serves as the vehicle for delivering the single active compound across the skin barrier. The gel's non-greasy consistency and rapid absorption rate are distinctive features of the formulation for local applications. This means the formulation is specifically designed to deliver targeted pain and swelling relief right where it is applied, such as for the localized discomfort of a sprain or contusion.

What side effects are possible with Niflugel?

Possible side effects and safety information

The safety profile for Niflumic Acid topical gel is primarily defined by the potential for local, high-level hypersensitivity reactions and specific constraints outlined in regulatory documents.

Documented Adverse Reactions and Frequency

Adverse effects are documented chiefly as Skin and Subcutaneous Tissue Disorders. These reactions primarily involve cutaneous allergic reactions at the site of application, which are classified as Rare in official safety summaries. These include manifestations such as urticaria (hives), rash, or a burning sensation.

Conditional Systemic Risk

As Niflugel is an NSAID, regulatory texts indicate that systemic adverse effects affecting the Gastrointestinal and Renal Systems cannot be ruled out. This conditional safety note applies specifically if the gel is applied over a large body surface area or used for a prolonged period, thereby increasing the potential for systemic exposure beyond typical localized use.

Serious Adverse Reactions

The most significant safety events are related to acute hypersensitivity. The label includes the risk of severe allergic reactions such as an asthma attack (bronchospasm) or angioedema (abrupt swelling of the face and throat), particularly in individuals with a known history of allergy to aspirin or other NSAIDs.

Safety Restrictions and Special Populations

Safety Constraint Category Regulatory Statement
Application Site Must not be applied to injured skin, open wounds, eczema, or infected lesions.
Concomitant Use The use with other NSAIDs (including topical or oral forms) is generally discouraged.
Pregnancy Contraindicated in the third trimester (after 24 weeks of amenorrhea).
Pediatric Use Contraindicated or not recommended for use in children under 12 years of age.

These official safety statements structure the medicine's risk profile, focusing primarily on minimizing localized allergy risk and strictly limiting use in special populations.

Overdose and Emergency Response

Overdose and When to Seek Help

The information below is based strictly on the officially documented descriptions of overdose for Niflugel (Niflumic Acid topical gel) as defined in government regulatory documents. As the medication is a topical preparation, the primary concern for severe overdose relates to the systemic toxicity that may follow accidental ingestion of the gel. The active substance, Niflumic Acid, is formally classified by regulatory authorities as Toxic if swallowed, establishing the high potential for acute risk in this exposure scenario.

Should accidental ingestion occur, immediate emergency action is officially mandated. Regulators require individuals to Immediately call a POISON CENTER/doctor to seek urgent medical attention. Documented systemic manifestations that may present include clinical signs such as dizziness, headache, nausea, and loss of coordination. The officially required first aid procedure includes the instruction to Rinse mouth. Following initial stabilization, the official management requires Specific medical surveillance and continuous observation due to the substance's acute toxicity classification. There is no specific antidote documented in the available regulatory information for Niflumic Acid overdose.

Therapeutic Uses of Niflugel

What Niflugel Treats: Main Uses and Benefits

Niflugel is commonly used when short-term symptomatic assistance is needed across domains involving acute, localized discomfort. Its core therapeutic application is relevant for symptomatic management in conditions like superficial tendonitis and benign traumatology, and may include manifestations such as sprains and contusions.

The medication is relevant for easing symptoms related to physical discomfort, such as acute localized pain, aching, and tenderness associated with soft tissue issues. It is applied in addressing situations where symptoms create noticeable functional strain.

“This approach supports the patient during difficult episodes by easing the overall symptom load, which may assist with maintaining functional stability.”

Niflugel is applicable within clinical settings that involve heightened symptom manifestations, particularly those symptoms related to inflammatory or irritative states like redness or swelling. Managing these manifestations contributes to improved day-to-day comfort during periods of heightened symptoms.

Quick Fact: Relief for Localized Pain The product is commonly used to help with supportive relief for acute symptoms associated with specific minor injuries, assisting patients to cope more steadily with symptom fluctuations.

Regulatory References

  1. ANSM Patient Information Leaflet

Eligibility and Restrictions for Use

Eligibility for Niflugel (Niflumic Acid Gel)

Official regulatory guidelines define specific populations who can and cannot use Niflugel based on age, physiological state, and existing medical conditions. The use of this topical Nonsteroidal Anti-inflammatory Drug (NSAID) is permitted for adults and adolescents over 15 years of age.


Absolute Contraindications

Niflugel must not be used by individuals who fall into the following categories, as this is formally prohibited by regulatory bodies:

  • Hypersensitivity: Patients with a known allergy to the active ingredient, Niflumic Acid, any of the excipients, or other NSAIDs (e.g., aspirin).
  • Skin Integrity: Application on lesional skin, including wounds, burns, infected lesions, or eczema, is prohibited.
  • Late-Stage Pregnancy: Pregnant women starting from the sixth month of gestation (from 24 weeks of amenorrhea) must not use the product due to the class-wide risk of fetal harm.

Restricted and Non-Recommended Use

  • Pediatric Use: Use is not recommended for children under 15 years of age as safety and efficacy have not been established.
  • Pregnancy/Lactation: Use during the first five months of pregnancy is restricted and generally advised against. The product is also not recommended for women who are breastfeeding.
  • UV Exposure: The treated area must be protected from sun or UV light due to the risk of photosensitivity.

What should I know about interactions with other medicines?

Niflugel Interactions with Other Medicines and Products

The official regulatory profile for Niflugel (Niflumic Acid 2.5% gel), as a topical nonsteroidal anti-inflammatory drug (NSAID), reflects its low level of systemic absorption when used as directed. Consequently, most systemic drug interactions commonly associated with oral NSAIDs are considered unlikely.

Documented Interaction Restrictions

Interactions documented in regulatory labeling primarily address additive risks and local administration constraints, focusing on the potential for increased adverse effects if significant systemic absorption were to occur (e.g., from prolonged or extensive application).

Classification Interacting Agent or Category Official Restriction/Basis
Local Contraindication Other topical preparations Must not be applied concomitantly to the same treatment area.
Additive Risk Caution Other systemic NSAIDs Co-administration is generally not recommended or advised against due to cumulative adverse effect risk.
Additive Risk Caution Acetylsalicylic Acid (Aspirin) Co-administration is generally not recommended or advised against.

No specific interactions involving drug-metabolizing enzymes (such as CYP enzymes), drug transporters, food, alcohol, or herbal products are explicitly documented in the official prescribing information for the topical gel formulation. The labeling does not mandate any timing separation requirements for co-administered systemic medicines.

Mechanism of Action

Molecular Inhibition of Prostaglandin Synthesis

The mechanism of Niflugel, centered on its active ingredient Niflumic Acid, involves the local, targeted modulation of physiological processes mediated by eicosanoid signaling. The drug acts as a non-selective Cyclooxygenase (COX) enzyme inhibitor, competitively blocking the active site of both COX-1 and COX-2. This action halts the conversion of arachidonic acid into pro-inflammatory prostaglandins ( PGE2 and PGI2), thereby suppressing their synthesis at the molecular level.

Alteration of Peripheral Nociceptor Signaling

This biochemical suppression alters the signaling dynamics within the local tissues. PGE2 normally acts to sensitize peripheral nerve endings (nociceptors); therefore, the reduction in PGE2 concentration directly increases the firing threshold of these nerve fibers. This results in altered afferent nerve activity and constrains the proliferation of mediator effects.

Modulation of Local Vascular Permeability

Simultaneously, the reduced prostaglandin concentration minimizes the chemical signals that trigger local vasodilation and increased vascular permeability. This physiological adjustment limits fluid extravasation into the tissue spaces, altering fluid dynamics within the local tissue.

Dosage and Administration Information

Administration Scope

The instructions define the specific, standardized protocol for the administration of Niflugel, a 2.5% Niflumic Acid gel.

Feature Standard Instruction
Route of Administration Topical (percutaneous application).
Frequency Pattern Three times per day.
Age-Group Rule Reserved exclusively for adults (typically over 15 years of age).
Course Duration Short-term use, not to exceed 2 to 3 weeks.

The standard administration is topical with a standard dose size of a gel strip measuring approximately 5 to 10 cm in length, applied to the affected area. This measured application is repeated three times per day.

Procedural Structure and Constraints

The procedure for application involves a gentle and prolonged massage of the gel until it is completely absorbed into the skin. Following this, hands must be washed thoroughly as part of the necessary procedural sequence.

Use of the gel is strictly reserved for adults. The treatment is designated as short-term, with the total duration limited to a maximum of 2 to 3 weeks. The course of use should be evaluated if no discernible improvement is noted after 5 days of continuous application. These prescribed rules ensure the standardized application of the medicine.

Recent Clinical Evidence

Research Evidence: Overview of Studies for Niflugel

This section provides a summary of the research that was conducted on Niflugel. The findings described here reflect group patterns observed in studies and do not determine how an individual may respond.


1. Evidence for Use in Uncomplicated Ankle Sprains (Short-Term Focus)

Research exploring Niflugel for uncomplicated ankle sprains often involved short-term, randomized, controlled clinical trials. These studies were conducted on patients presenting with acute, localized injuries. Researchers primarily monitored patient-reported outcomes describing perceived discomfort, such as pain felt by the patient, and used overall assessments from the patients and investigators.

Studies observed how symptoms evolved in the populations evaluated over defined, short time intervals, typically up to seven days. Findings describe patterns observed in these short-term studies, where pain scores were measured in the observed populations compared to baseline and placebo. The research provides context into measurements of patient-reported outcomes during the defined study period.


2. Evidence for Use in Superficial Tendonitis and Contusions

Niflugel was studied for localized inflammatory conditions, including superficial tendonitis and other acute benign traumatology like contusions. The studies explored patient-reported outcomes and measured daily functioning or activity level in the observed populations. Findings indicate that, in some trials, patterns of patient-reported symptoms were observed when compared to an inactive placebo gel at the end of the short treatment interval.

Evidence is limited and may be considered heterogeneous because data for this compound is sometimes pooled or generalized from studies of the broader class of non-steroidal anti-inflammatory drugs (NSAIDs) and other localized inflammatory disorders. Dedicated studies for every specific type of superficial contusion are not widely available.


3. What is Still Uncertain About Niflugel Research

Key limitations include the fact that long-term effects are not fully established because follow-up durations were limited in the major clinical trials. Furthermore, subgroup findings are uncertain due to limited data for special populations, such as children, adolescents, or patients with co-existing conditions. Research does not fully address outcomes related to the recurrence or prevention of future episodes of injury or inflammation. Research is ongoing in the broader field of topical NSAIDs, and future studies may provide additional context.

Frequently Asked Questions (FAQ)

Common questions about Niflugel (FAQ)

Q: What is Niflugel and what is it used for?

Niflugel is a non-steroidal anti-inflammatory drug (NSAID) that is applied to the skin (topical use). It is primarily used to relieve pain and inflammation associated with certain conditions affecting the joints and soft tissues.

It is indicated for the symptomatic treatment of:

  • Superficial tendonitis (inflammation of the tendons)
  • Benign traumatic conditions such as sprains, contusions (bruises), and dislocations
  • Painful flare-ups of osteoarthritis in the small and medium joints

Q: How does Niflugel work to relieve pain and inflammation?

Niflugel contains the active ingredient niflumic acid. Niflumic acid belongs to the fenamate group of NSAIDs. It works by inhibiting enzymes in the body called cyclooxygenase (COX) enzymes, specifically COX-1 and COX-2. These enzymes are essential for the production of prostaglandins, which are substances in the body that cause inflammation, pain, and fever.

By blocking the production of prostaglandins at the site of application, Niflugel helps to reduce inflammation and lessen pain in the affected area.


Q: Who should not use Niflugel?

Niflugel should not be used by individuals with a known history of hypersensitivity or allergy to the active ingredient niflumic acid, or to any of the other ingredients in the gel.

It is also generally contraindicated for those who are allergic to aspirin or other Non-Steroidal Anti-Inflammatory Drugs (NSAIDs).

The gel should not be applied to:

  • Injured or broken skin, wounds, or skin lesions
  • Mucous membranes
  • Eczema or other weeping skin diseases
  • The eyes

Niflugel is typically for adults and children over 12 or 15 years old, depending on the specific product leaflet and local health authority recommendations. It is also generally advised to avoid use during the last trimester of pregnancy.


Q: What are the potential side effects of using Niflugel?

Since Niflugel is applied topically, the side effects are most often localized to the skin at the application site. Common potential side effects include:

  • Local allergic skin reactions such as redness (erythema), itching (pruritus), or rash
  • A burning sensation at the application site

If the gel is used for a prolonged period or applied to a very large area of the body, there is a small risk of systemic effects (effects in the rest of the body), which are more commonly seen with oral NSAIDs. These may include gastrointestinal disturbances or kidney effects, but this is rare with topical use.

How should Niflugel be stored and disposed of?

Official Storage and Disposal Guidelines

Niflugel must be stored and handled according to the specific conditions documented in its regulatory labeling to maintain quality and effectiveness.

Storage Requirement Official Mandate
Temperature & Environment Store according to the temperature range and conditions (e.g., store below 25 C) stated on the container label. Keep the product in a location that is protected from light and moisture.
Protection Always store the medicine in its original container with the cap tightly closed. The product must be kept out of the reach and sight of children.
Stability Adhere strictly to the stated in-use stability period, which defines how long the product can be used after the container is first opened.
Disposal Do not dispose of unused or expired Niflugel in household trash or down the drain. Dispose of the medicine through authorized pharmaceutical take-back programs or waste management services in accordance with local and national regulations.

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

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