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Eludril collutoire

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Eludril collutoire

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Treatment option:

Medically reviewed

Rosario Oropesa

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.

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Overview of Eludril collutoire

What is Eludril collutoire?

Eludril collutoire is an antiseptic and analgesic oral spray designed for local application within the mouth and throat. It is formulated as a liquid solution delivered via a pump-action spray, allowing for targeted contact with the mucous membranes.

Therapeutic Composition

The efficacy of Eludril collutoire is derived from its combination of active ingredients, which typically include:

  • Chlorhexidine digluconate: A broad-spectrum antiseptic agent that helps reduce the bacterial load in the oral cavity.
  • Chlorobutanol hemihydrate: An ingredient that provides mild analgesic and additional antiseptic properties, helping to soothe localized discomfort.

Clinical Applications

This medication is primarily utilized as an adjunctive local treatment for conditions affecting the oropharynx. Its use is common in the management of:

  • Minor mouth infections or ulcerations (such as aphthous ulcers).
  • Inflammation of the gums (gingivitis).
  • Post-operative care following dental or oral surgical procedures.
  • Sore throats and localized irritation of the buccal mucosa.

Mechanism of Action

When applied, the active components work together to provide a dual action. The antiseptic agent disrupts the cell membranes of various pathogens, inhibiting their growth and spread. Simultaneously, the analgesic component acts on the nerve endings in the superficial layers of the tissue to provide temporary relief from pain and sensitivity in the affected area.

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What side effects are possible with Eludril collutoire?

The safety profile for the chlorhexidine and tetracaine combination oral spray is based on officially documented adverse reactions and safety constraints derived from regulatory assessments. The frequency of the listed adverse reactions is classified as indeterminate in the primary regulatory document, meaning the rate cannot be reliably estimated from available data.

High-Level Adverse Reactions by Organ System

System-Organ Class Officially Documented Effects
Immune System Disorders Potential for hypersensitivity reactions, including serious adverse events such as anaphylactic reaction and anaphylactic shock.
Gastrointestinal Disorders Development of yellow-brown discoloration of the tongue and staining of the teeth and certain dental fillings.
General Disorders Temporary anesthesia of the tongue and pharynx leading to a risk of accidental inhalation (fausse route) and choking (suffocation).

Serious Safety Considerations and Constraints

Serious adverse reactions include the risk of anaphylactic shock and the immediate danger of accidental inhalation due to the anesthetic effect, which can occur if the spray is used inappropriately. Regarding time-related patterns, the official labeling notes that any resulting tooth staining is classified as reversible after cessation of treatment.

Regulatory documents impose specific safety constraints on use. The spray must not be used immediately before meals or drinks to prevent the anesthetic component from inhibiting the swallowing reflex. Furthermore, the simultaneous or successive use of other antiseptic products is to be avoided due to the potential for interference, such as antagonism or inactivation.

Population-Specific Notes

The label includes precautionary statements advising that use should be avoided during both pregnancy and lactation (breastfeeding). Additionally, the presence of Ethanol (alcohol) as an excipient is a factor that must be taken into consideration for individuals with conditions such as severe hepatic impairment or a history of alcoholism.

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Overdose and Emergency Response

Overdose and when to seek help

The official regulatory profile for Eludril collutoire overdose addresses risks associated with the systemic absorption of its local anesthetic component (Tetracaine) and high exposure to the antiseptic (Chlorhexidine).

Overdose Scope

Property Description
Documented overdose presentations Central Nervous System (CNS) excitation (e.g., tremors), progressing to convulsions, cardiovascular depression (hypotension, bradycardia), and gastrointestinal irritation from ingestion.
Physiological systems affected Central Nervous System, Cardiovascular System, Gastrointestinal System, and Oropharyngeal reflexes.
Population-specific overdose notes Children are noted as being more susceptible to systemic toxicity and at an increased risk of aspiration of food into the airways due to sensory loss following excessive use.

Emergency-Response Statements

Property Description
Immediate medical help is required Seek immediate medical attention for severe systemic effects (e.g., convulsions, cardiac events) or signs of life-threatening hypersensitivity, such as anaphylactic shock (wheezing or swelling of the face).
Supportive management measures Management is officially symptomatic and supportive. Procedures to ensure adequate ventilation and measures to arrest convulsions are described in the regulatory context for severe toxicity.

Connection to the overall overdose profile

Regulatory documents define the overdose profile by prioritizing the risks of severe CNS effects and cardiovascular depression linked to the anesthetic, as well as life-threatening anaphylaxis from the antiseptic. These risks establish the criteria for when immediate medical attention is mandated, specifically calling for supportive care and hospital assessment to manage severe systemic symptoms or the heightened risk of aspiration.

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Therapeutic Uses of Eludril collutoire

What Eludril collutoire Treats: Main Uses and Benefits

This medication is applied as an adjunctive local treatment, relevant in contexts marked by increased discomfort or tension within the oral mucosa and oropharynx. It is used within its established therapeutic domains to help with symptoms related to inflammatory or irritative states, such as mild pain and soreness.

The medication is commonly used across conditions characterized by periods of heightened symptoms, including gingivitis (gum inflammation), small mouth ulcers, and uncomplicated sore throat. It assists in managing manifestations that may become temporarily disruptive by offering localized support. It is also applied in addressing situations requiring symptomatic assistance, particularly in clinical settings that involve postoperative care after minor oral or dental procedures.

The overall therapeutic benefit contributes to improved comfort during symptomatic periods. Its application focuses on addressing localized distress during symptomatic periods.

“The formulation is relevant when symptomatic assistance is needed to ease the impact of localized discomfort on routine activities.”


Quick Fact: Relief for Localized Pain Eludril collutoire is considered relevant for easing symptoms that interfere with daily functioning due to minor oral and pharyngeal irritation, assisting with maintaining functional stability during these acute episodes.

Regulatory References

  1. Official ANSM Summary of Product Characteristics
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Eligibility and Restrictions for Use

Who can and cannot use Eludril collutoire?

The eligibility for Eludril collutoire (Chlorhexidine/Tetracaine) is strictly defined by government regulatory documents, establishing clear patient exclusions and conditional use parameters.

Eligibility Status Officially Documented Rules
Permitted Age Group Adults and adolescents aged 12 years and older.
Absolute Contraindications Children under 12 years old. Individuals with known hypersensitivity to the active substances (Chlorhexidine/Tetracaine) or any excipients.
Physiological Restrictions Lactation (Breastfeeding): Use must not be used (prohibited). Pregnancy: Use is preferable to be avoided as a precautionary measure.
Conditional Restrictions Must not be used immediately before consuming food or beverages due to the potential risk of aspiration from the local anesthetic effect.
Comorbidity Cautions Caution is required for subjects with hepatic insufficiency, epilepsy, or chronic alcoholism, as documented under excipient-based warnings.

The regulatory profile strictly reserves the medicine for the adult and adolescent population (12 years and older) who do not have documented hypersensitivity. The official documentation further imposes absolute prohibitions during breastfeeding and specific cautions related to mealtimes and certain comorbidities, such as hepatic insufficiency and epilepsy.

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What should I know about interactions with other medicines?

Interactions with other medicines and products

The official regulatory profile for Eludril collutoire, an oral spray containing Chlorhexidine and Tetracaine, is strictly focused on local substance incompatibility. Due to its topical administration and minimal systemic absorption, the risk of systemic drug-drug interactions is not considered clinically relevant, and therefore, pharmacokinetic interactions, such as those involving CYP enzymes or drug transporters, are not documented in authoritative regulatory summaries. No specific medicinal products are formally classified as contraindicated for co-administration with the topical spray.

Interaction Type Interacting Substance/Product Official Restriction
Local Chemical Incompatibility Anionic Agents (in conventional dentifrices/toothpastes) Risk of reduced Chlorhexidine activity.

Official Interaction Statements and Timing Rule

The regulatory documentation establishes that the antiseptic component, Chlorhexidine, is chemically incompatible with anionic agents, which are a common class of substances found in conventional dentifrices. This documented interaction is classified as a local substance incompatibility that can directly diminish the intended activity of the antiseptic. To mitigate this risk of reduced efficacy, regulatory sources specify a mandatory timing and procedural constraint. The rule requires that the mouth must be thoroughly rinsed with water after using any anionic-containing toothpaste and before the application of the oral spray. This mandatory separation rule defines the core structure of the product's official interaction profile.

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Mechanism of Action

The action of this fixed-dose combination involves two primary, complementary pharmacodynamic mechanisms that exclusively modulate biological processes at the peripheral and cellular level.

️ Localized Disruption of Microbial Cell Viability

The antiseptic component, Chlorhexidine, exerts its effect by acting directly on the cell structure of microbial organisms on the application site. As a cationic molecule, it is drawn to and strongly binds with the negatively charged surface components of microbial cell walls and membranes. This interaction disrupts the integrity of the phospholipid bilayer, leading to the functional collapse of the cell membrane, leakage of essential internal contents, and ultimately, the physiological consequence of microbial cell death and growth inhibition at the application site.

Reversible Inhibition of Peripheral Sensory Nerve Conduction

The anesthetic component, Tetracaine, acts directly on the peripheral sensory nerve signaling pathway. The drug diffuses into the nerve fiber and binds to the inner pore of voltage-gated sodium channels ( Na v channels). This interaction prevents the necessary influx of sodium ions required to generate an action potential, functionally inhibiting the electrical signal from propagating. The resulting mechanism is a reversible, localized interruption of afferent sensory nerve conduction due to topical application.

Functional Complementarity of Mechanisms

While distinct, the two mechanisms combine for a dual physiological effect profile. The action of Tetracaine provides an immediate mechanism for interrupting neural signal conduction in sensory nerves, governed by rapid channel blockade kinetics. Concurrently, the membrane-disrupting action of Chlorhexidine provides a mechanism for prolonged anti-microbial activity due to its sustained binding to mucosal components.

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Dosage and Administration Information

How to Use Eludril Collutoire: Administration Guidelines

Eludril collutoire is administered according to parameters that define its route, dosage, timing, and duration of use. The medication is delivered as a solution for oral spray and is intended for localized application to the mouth and throat via the buccal route.


Usage Protocol

Usage Requirement Guideline
Age Restriction Reserved for use in adults and children 12 years of age and older.
Standard Dosing 1 to 6 sprays (pulvérisations) per 24 hours.
Minimum Interval Applications must be separated by an interval of at least 4 hours.
Duration Limit The total period of treatment must not be prolonged beyond 5 days.
Timing Constraint Do not use immediately before meals or before drinking a beverage.

Administration Technique

The use of this oral spray involves a defined application process. The dispensing bottle must be held vertically during administration to ensure proper delivery of the dose. The nozzle is introduced into the mouth or pharynx and aimed toward the localized affected area.

This protocol structures the medication's use as a short-term, localized regimen for a specific age group. The instructions emphasize constraints on both the maximum daily frequency and the overall treatment duration to define the standardized use of the product.

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Recent Clinical Evidence

Eludril collutoire: Recent Clinical Evidence

Research Focus and Activity

Research has explored whether the ingredients in Eludril collutoire may influence the reduction of oral bacteria and inflammation in the mouth and throat. Studies examined the drug's activity on microbial colonies, a key factor often associated with gingivitis and post-operative oral care. The antiseptic ingredients' molecular activity involves disrupting the bacterial cell membrane, which research suggests may contribute to limiting bacterial growth.

Key Efficacy Findings

  • Randomized Controlled Trials (RCTs):
    • One large-scale RCT reported a change in plaque index scores and gingival bleeding over a three-week period following minor dental surgery. The study's primary objective was to observe antiseptic activity.
    • A second study evaluated whether the mouthwash affected patient-reported throat discomfort. The conclusion was that the findings were mixed regarding subjective pain relief in all participants, and a definitive effect has not been established.
  • Patient-Reported Outcomes:
    • In one study, participants observed initial changes in oral freshness and localized comfort within the first 48 hours of use. This was captured using a daily patient journal for subjective symptom severity.

Safety and Tolerability Profile

  • Common Adverse Events:
    • The most frequently reported events across clinical trials consisted of temporary taste alteration, tongue discoloration, and localized irritation of the oral mucosa.
  • Special Populations:
    • Studies have examined whether age influence the risk of adverse events. Use in children is generally limited, and data collection has focused on participants over the age of 12.
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Frequently Asked Questions (FAQ)

Common questions about Eludril collutoire (FAQ)


Q: Is Eludril collutoire the same as the Eludril mouthwash?

A: Eludril collutoire is defined in official documents as a solution for oral spray containing the active ingredients Chlorhexidine and Tetracaine. Other products under the Eludril name are often different formulations, such as a mouthwash, and may contain different active components.


Q: What kind of studies have been done on Eludril collutoire?

A: Research has included Randomized Controlled Trials (RCTs) that have examined the drug's antiseptic effects on microbial colonies, particularly focusing on changes in plaque index. Studies have also collected patient-reported outcomes to monitor localized comfort and subjective changes during use.


Q: Does Eludril collutoire contain alcohol?

A: Yes, official labeling notes the presence of Ethanol (alcohol). This is included as an excipient, or inactive ingredient, in the medication's formulation. Cautions related to the presence of Ethanol are specifically noted in official documents for individuals with conditions such as severe hepatic impairment or a history of alcoholism.


Q: What is the 'collutoire' part of the name referring to?

A: The term 'collutoire' is the official designation for the medication's form. It refers to a localized treatment in the form of a solution applied as an oral spray, intended for use on the mucous membranes of the mouth and throat.


Q: What is the difference between Eludril collutoire and other throat sprays?

A: Official information defines Eludril collutoire by its unique dual pharmacological action. It is classified as a fixed-dose combination that contains both a Local Antiseptic (Chlorhexidine) and a Local Anesthetic (Tetracaine).


Q: How quickly can I expect to notice any effects after using Eludril collutoire?

A: The anesthetic component is described in regulatory sources as functioning through rapid channel blockade kinetics, which relates to a rapid onset of local effect. Studies have also indicated that participants observed initial changes in localized comfort within the first 48 hours of use.


Q: Does Eludril collutoire help with throat pain?

A: The product is classified as a Local Anesthetic and an antiseptic for use in the mouth and throat. While the anesthetic component is present to interrupt nerve signals, research evidence on subjective pain relief in all participants was mixed, and a definitive effect has not been established.


Q: Is it common to feel a strange taste after using Eludril collutoire?

A: Temporary taste alteration is documented as one of the most frequently reported adverse events observed in clinical trials. The official product information includes this effect.


Q: Can Eludril collutoire affect my ability to drive?

A: Official safety warnings note the adverse reaction of temporary anesthesia of the tongue and pharynx. This effect is a factor noted in the product's official safety profile and should be a consideration when performing tasks requiring focused attention or motor control.


Q: Has Eludril collutoire been studied in older adults?

A: Regulatory data collection for this specific oral spray formulation has focused on use in participants aged mathbf12 years and older. Use in older populations generally falls within this broader scope of regulatory assessment.


Q: What is the role of the ingredients listed as 'excipients' in Eludril collutoire?

A: Excipients are the inactive substances included in the drug's formulation alongside the active ingredients. Their general role is to help preserve, stabilize, bulk, or ensure the proper delivery of the active medicinal components.


Q: Can Eludril collutoire be used if I have dentures?

A: Officially documented effects include the risk of staining on the teeth and certain dental fillings. This warning generally extends to the potential for temporary discoloration on dental appliances that come into contact with the spray.


Q: Are there any reports of Eludril collutoire causing discoloration of teeth?

A: Yes, staining of the teeth is an officially documented adverse reaction under Gastrointestinal Disorders. The official labeling specifies that this discoloration is classified as reversible after treatment is stopped.


Q: Can Eludril collutoire be used alongside dental treatments?

A: Studies have examined the use of the product within the context of post-operative oral care following minor dental procedures. Regulatory documentation also establishes a specific timing rule related to the use of conventional toothpastes containing anionic agents.


Q: What are the known severe side effects, even if rare, for Eludril collutoire?

A: Official documentation details the potential risk for severe adverse reactions, including hypersensitivity events such as anaphylactic shock. Another serious safety consideration is the risk of accidental inhalation (fausse route), which can lead to choking or suffocation due to the local anesthetic effect.


Q: Can Eludril collutoire be used for a dry cough?

A: Official labeling limits its approved therapeutic purpose to adjunctive local treatment for minor, limited affections of the mouth and throat (oropharynx). Its use is defined by this specific scope.


Q: Does the efficacy of Eludril collutoire change after the first use?

A: The product provides dual action based on its ingredients. The anesthetic component works immediately for rapid effect, while the antiseptic component is characterized by prolonged anti-microbial activity through sustained binding to the oral and pharyngeal lining.


Q: Is Eludril collutoire used for problems other than the throat?

A: The general therapeutic purpose defined in official documents is for adjunctive local treatment of minor, limited affections of both the mouth and the throat (oropharynx).

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How should Eludril collutoire be stored and disposed of?

How to Store and Dispose of Eludril Collutoire

The storage and disposal of this medicinal product are defined by regulatory requirements to ensure product integrity and environmental protection.

Official Storage Requirements

Item Official Regulatory Requirement
Temperature Must not be stored above 25 C.
Protection Keep the product in its original outer packaging.
Child Safety Must be kept out of the reach and sight of children.
Stability Do not use the product after the expiry date (EXP) stated on the label.

Disposal Instructions

Official disposal protocols prohibit discarding Eludril collutoire in standard household waste or via wastewater. To comply with environmental protection guidelines, any unused or expired solution must be returned to a pharmacist for proper disposal.

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

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