Auralgan

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Auralgan

Method of action: Anesthetic, Anti-Tuberculosis, Local

Treatment option:

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 Auralgan

Auralgan is a specific, well-recognized brand of a combination medicine formulated as an otic solution, or ear drops, designed for topical application to the external auditory canal. It is classified pharmacologically as an analgesic and local anesthetic combination.

Property Description
Active Ingredients Benzocaine and Phenazone (Antipyrine)
Form Otic Solution (Ear Drops)
Pharmacological Class Local Anesthetic and Analgesic
General Purpose Symptomatic relief from otalgia (ear pain)
Origin Synthetic Pharmaceutical Formulation

What Type of Medicine is Auralgan?

The solution is a combination product that merges two distinct therapeutic actions in one preparation. This composition ensures the product is fundamentally designed for dual-action symptomatic management. It is often positioned for patients requiring acute relief from ear discomfort, such as during a temporary earache. Its identity as an otic solution, rather than an oral medication, ensures focused and rapid action at the site of application.

Composition: Active Ingredients in Auralgan

The efficacy of the otic solution is directly attributed to its two active ingredients: Benzocaine and Phenazone (Antipyrine). Benzocaine serves as the local anesthetic, working by temporarily blocking nerve signals to achieve localized numbing. Phenazone acts as an analgesic and is categorized as a nonsteroidal anti-inflammatory drug (NSAID), aiding in the reduction of pain and associated discomfort. The combination is specifically valued for its immediate effect on pain sensation. The active components are typically carried in an anhydrous base, most commonly Glycerin, which contributes to the physical viscosity and is a distinguishing characteristic of this liquid preparation.

General Purpose and Targeted Symptom Relief

The general purpose of this medicine is to provide rapid, localized symptomatic relief from acute ear pain, known medically as otalgia. The synergistic effect of Benzocaine's localized numbing and Phenazone's pain-reducing properties ensures the medicine addresses both the immediate sharp sensation of pain and the discomfort linked to localized inflammation. This dual-action mechanism is utilized for the effective management of acute ear discomfort, offering rapid soothing by interrupting pain signal transmission at the site of application.

Regulatory References

  1. Antipyrine and Benzocaine Otic Solution (DailyMed)

What side effects are possible with Auralgan?

Possible Side Effects and Safety Information

The safety profile for the Benzocaine and Phenazone otic solution is defined by local application-site effects and the potential for a specific systemic risk associated with the local anesthetic component. This information is based strictly on official government regulatory documents.

Documented Adverse Reactions

The most frequently reported adverse reactions are localized application site effects affecting the Ear and Labyrinth Disorders System-Organ Class. These include sensations such as stinging, burning, redness (hyperemia), itching, or local irritation in or around the auditory canal. Hypersensitivity (allergic reactions) to any component are also documented, classified as rare but serious.

Serious Systemic Safety Considerations

The most critical safety concern documented for topical local anesthetics, including Benzocaine, is the risk of Methemoglobinemia. This is a potentially life-threatening blood disorder classified under Blood and Lymphatic System Disorders that reduces the blood's ability to carry oxygen. Signs may include bluish skin or severe weakness, requiring immediate assessment.

Population-Specific Constraints and Contraindications

The official labeling includes mandatory safety restrictions. The medicine is contraindicated if there is a known or suspected perforation of the tympanic membrane (eardrum) to prevent contact with middle ear structures. Furthermore, regulatory cautions are in place for certain groups. Infants, particularly those under three months, are noted to be at increased risk for methemoglobinemia. Caution is also advised for patients with certain Haemoglobinopathies or Glucose-6-phosphate dehydrogenase (G6PD) deficiency.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory profile for overdose with this otic solution is defined primarily by the systemic risks associated with the active component, Benzocaine. Overdose following accidental oral ingestion or excessive application may result in general toxicity symptoms, including nausea, vomiting, restlessness, or excitement.

Serious and Life-Threatening Outcomes

A potentially life-threatening complication documented in government regulatory communications is Methemoglobinemia, a blood disorder that significantly reduces the oxygen-carrying capacity of the blood. Manifestations of this condition require immediate medical attention and may include:

  • Cyanosis (pale, gray, or blue discoloration of the skin, lips, or nail beds)
  • Shortness of breath
  • Rapid heart rate
  • Fatigue

Mandated Emergency Actions

Specific guidance on when to seek help is mandated by government authorities. Immediate medical attention must be sought if signs of Methemoglobinemia are observed. For cases of accidental oral ingestion, contacting a poison control center is the required first step. If the affected individual has collapsed or is not breathing, emergency services must be contacted immediately.

Regulatory information notes that infants and children younger than 2 years are documented as being at a particularly greater risk for developing Methemoglobinemia complications.

Therapeutic Uses of Auralgan

What Auralgan Treats: Main Uses and Benefits

The primary therapeutic role of this otic solution is to provide localized, symptomatic support across several key ear discomfort domains, focusing exclusively on easing the patient's immediate distress. This combination product is relevant in contexts marked by increased discomfort and is commonly used for managing symptoms associated with certain acute ear conditions and cerumen impaction.

The medication is commonly applied in clinical settings that involve acute or unstable symptom patterns, helping address symptom clusters related to acute localized ear pain (otalgia), general ear discomfort associated with inflammatory states, and functional issues from excessive or impacted ear wax. This supportive relief helps patients cope more steadily with difficult manifestations of ear irritation and swelling. It is relevant when supportive symptom management is appropriate and supports general well-being during symptomatic phases.

Quick Fact: Relief for Acute Ear Discomfort

The otic solution is relevant for easing symptoms associated with conditions characterized by periods of heightened symptoms, including AOM (acute otitis media), Otitis Externa, and circumstances involving impacted cerumen.

Regulatory References

  1. NIH DailyMed official labeling information

Eligibility and Restrictions for Use

Eligibility for Auralgan

Official regulatory information strictly defines which populations can and cannot use Auralgan (antipyrine and benzocaine otic solution). This medication must not be used in patients with a known hypersensitivity or allergy to any of the components, including antipyrine or benzocaine.

Contraindicated Populations

Use is explicitly contraindicated and must be avoided in the following clinical scenarios to prevent potential harm:

  • Any person with a spontaneous perforation of the tympanic membrane (ruptured eardrum).
  • Any person experiencing a discharge from the ear (otorrhea).

Age and Physiological Restrictions

  • Pediatric Use: The medication is not recommended for use in children under two years of age due to the risk of a serious blood disorder called methemoglobinemia.
  • Pregnancy: Use during pregnancy is limited to situations where it is clearly needed (Pregnancy Category C), as its effects on the fetus are not fully established.
  • Lactation: Caution is advised when administering Auralgan to a nursing woman, as it is unknown whether the components are excreted in human breast milk.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official regulatory documents for Auralgan, an otic solution containing the combination of antipyrine and benzocaine, define the product's interaction profile based on its localized, topical route of administration.

Interaction Scope and Restrictions

The official labeling from regulatory authorities, including the United States Food and Drug Administration and the National Institutes of Health, does not detail a list of specific systemic drug-drug interactions.

  • Interacting Products: No specific medicinal products, pharmaceutical classes, or herbal supplements are explicitly listed in the official "Interactions" section as requiring restrictions on co-administration.
  • Mechanistic Basis: The documentation does not describe a mechanistic basis for systemic interactions, meaning there is no documented information on the effect of co-administered agents on CYP enzyme metabolism or drug transporter activity for this topical product.
  • Timing Rules: No mandatory time-separation rules or dosage spacing requirements are specified in the official regulatory text for use with other substances.
  • Population Notes: No specific cautions regarding the altered severity of drug interactions in population subsets, such as patients with reduced hepatic function, are documented in the "Interactions" section.

Resulting Interaction Structure

The official interaction profile is characterized by the absence of listed systemic constraints. The regulatory basis for this structure is the minimal expected systemic absorption of the active components following topical application to the external ear canal. The regulatory documentation therefore confirms that the label does not identify substances that would formally modify the clearance or systemic exposure of this medicine.

Mechanism of Action

Interruption of Afferent Nociceptive Signal Transmission

The local anesthetic component, Benzocaine, acts by engaging and physically blocking voltage-gated sodium channels ( Na^+) found within the membranes of peripheral sensory neurons (nociceptors). This mechanistic interaction stabilizes the nerve cell membrane, preventing the inward flow of sodium ions necessary for action potential generation. This interruption initiates a rapid and localized neuronal conduction blockade, functionally preventing the transmission of afferent impulses from the application site.

Modulation of Localized Inflammatory Chemistry

The analgesic component, Phenazone, operates by inhibiting Cyclooxygenase (COX) enzymes, thereby suppressing the localized synthesis of prostaglandins and other chemical mediators involved in the inflammatory cascade. By reducing the concentration of these molecules, Phenazone's mechanism lowers the chemical sensitization of the nearby nociceptors and attenuates associated localized physiological responses. This process contributes to a complementary mechanism by modulating the local nociceptor activation threshold.

Two-Component Peripheral Mechanistic Synergy

The combination of the two active ingredients results in a two-component peripheral mechanism. This combined effect couples the rapid functional interruption of nerve conduction with the chemical modulation of mediator production, engaging two distinct and complementary biological pathways at the application site.

Dosage and Administration Information

Administration of Auralgan

Auralgan is an otic solution designed for application directly into the ear canal. Proper administration is necessary to ensure the solution reaches the affected area effectively.

Preparation for Use

Before using the ear drops, the bottle may be warmed by holding it in the hands for a few minutes. This adjustment toward body temperature helps reduce the potential for discomfort or dizziness that can occur when cold liquid enters the ear canal.

Application Process

During application, the individual should lie on their side or tilt their head so that the affected ear faces upward. The prescribed number of drops is then placed into the ear canal. To assist the flow of the medication, the earlobe may be gently moved back and forth.

Following Application

After the drops have been administered, remaining in the side-lying position for several minutes allows the solution to settle. In some instances, a small piece of cotton moistened with the solution may be placed at the opening of the ear canal to help retain the medication. The dropper should remain clean and should not come into contact with the ear, fingers, or any other surfaces to maintain the integrity of the solution.

Recent Clinical Evidence

Research evidence / Overview of studies for Auralgan

Evidence for Acute Localized Ear Pain (Otalgia)

Research has examined the use of these drops in conditions associated with acute or disruptive episodes of pain. The evidence primarily comes from short-term randomized controlled trials (RCTs) where the drops were compared against an inactive preparation (placebo) or typical care. These studies were used in research exploring how symptoms change over time for individuals experiencing symptoms related to acute ear pain.

The studies monitored patient-reported outcomes describing perceived discomfort, particularly using pain scales at specific, short time intervals, such as 30 minutes or within the first few days of use. Findings describe patterns observed in the studies related to pain score changes, and some research describes how symptoms evolved in the observed populations relative to the control groups. Systematic reviews, which look across multiple trials, note that the results sometimes varied across studies.

Evidence for Facilitating Cerumen (Earwax) Removal

Research explored the drops' use in contexts related to cerumen (earwax) removal. This type of research typically focuses on outcomes related to physical discomfort that may be linked to functional limitations caused by impacted earwax. A key measurement examined in this field is the proportion of study participants achieving complete earwax clearance after using various types of drops over short application schedules.

Official regulatory documentation references the study of the components of the drops for this purpose. Research describes that when applied before a procedure like ear syringing, the drops were evaluated in conditions marked by functional limitations. However, comparative evidence is lacking, and systematic reviews often describe difficulty establishing whether commercial cerumenolytics offer a distinct advantage over widely available non-commercial preparations like water or saline.

Trial Populations and Age Groups Studied

The vast majority of the research for acute localized ear pain was evaluated in pediatric populations, specifically children and adolescents. The results apply only to the populations studied, meaning that most of the research highlights what has been observed so far in younger individuals who experience symptoms related to inflammatory or irritative states.

Data for certain groups remain insufficient. There is limited information for adults or older adults, and there have been few studies focusing on episodes where symptoms become more noticeable in these age brackets. Therefore, findings describe group patterns primarily relevant to children, not personal outcomes for other age groups.

Evidence Gaps and Research Uncertainty

Research provides context but not individual predictions, and the findings describe group patterns, not personal outcomes. The evidence highlights what is known—and what is still uncertain—about this product.

A key limitation across the evidence base is that sample sizes were modest in several important trials, which can limit the certainty of the findings. Comparative evidence is lacking for certain uses, and the overall quality of evidence varies across studies. Consistent findings across all target populations and over longer periods remain to be established through further research.

The research does not determine whether an individual will respond similarly to the patterns observed, and the study results reflect the specific conditions under which they were conducted.

Key Studies & References

  1. Benzocaine and Phenazone Otic Solution: Official Drug Labeling Information (e.g., DailyMed)

Frequently Asked Questions (FAQ)

Common questions about Auralgan (FAQ)


Q: How quickly should I expect to feel relief after using Auralgan?

Official product documents describe the purpose of Auralgan as providing prompt relief of pain. This indicates that a relatively quick onset of action at the application site is the intended effect, consistent with a localized analgesic and anesthetic.


Q: Can Auralgan be used in infants under 3 months old?

Regulatory authorities, including the FDA, have advised against the use of products containing benzocaine in children younger than two years of age. This is due to a potential risk of a serious blood disorder known as methemoglobinemia. Some international regulatory labels further caution against its use in infants under one year of age.


Q: Is Auralgan suitable for all age groups, including older adults?

Official safety information indicates that certain groups may be at greater risk for complications associated with topical local anesthetics. These groups include individuals with existing breathing problems or heart disease, as well as the elderly. Consultation with a healthcare professional is necessary to determine the potential risks for these groups.


Q: Can using Auralgan cause an allergic reaction, and what are the signs?

Allergic reactions, or hypersensitivity, are documented as a possible serious side effect. Signs that have been associated with a potential severe allergic reaction include hives, difficult breathing, or swelling of the face, lips, tongue, or throat.


Q: What happens to Auralgan's consistency at very cold temperatures?

The official product description notes that the solution may congeal, or thicken, when exposed to very cold temperatures, such as 0^circC (32^circF). If this occurs, the medicine is designed to return to its normal consistency, unchanged, when warmed back to room temperature.


Q: Are there any non-medicinal ingredients in Auralgan that are relevant to patient use?

Yes, the solution uses anhydrous glycerin as the base, which is a non-medicinal component that contributes to the product’s consistency. Some official product descriptions also list oxyquinoline sulfate as an additional ingredient in the otic solution.


Q: Is Auralgan only for temporary use, or can it be used long-term?

According to official guidance, this medicine is intended for short-term, symptomatic management only. It is indicated that the product is not for long-term use and its use must align with the duration directed by a healthcare provider.


Q: Does Auralgan contain antibiotics?

No, Auralgan does not contain an antibiotic. Regulatory information clarifies that while the drops are intended for symptomatic relief of acute ear discomfort, they do not cure an ear infection itself. An antibiotic is typically required to address the underlying bacterial infection.


Q: Is it safe to use Auralgan if I have tubes in my ears?

The product is contraindicated if there is a known or suspected perforation of the tympanic membrane (eardrum). As ear tubes compromise the integrity of the eardrum, patients with ear tubes must consult with a healthcare professional before use.


Q: What does the term 'acute otitis media' mean in relation to Auralgan's use?

Acute otitis media (AOM) is the medical term for a sudden ear infection, often involving the middle ear. Official documents mention that AOM is a frequent problem, particularly in children due to anatomical factors, and Auralgan is indicated for the associated pain relief.


Q: Can Auralgan interfere with other types of ear drops, like antibiotic drops?

While there is no detailed list of systemic drug interactions, official regulatory texts describe Auralgan as being used as a supplementary, or 'adjuvant,' therapy during systemic antibiotic treatment. Some sources suggest that it may interact with other ear medications when applied locally.


Q: Should I avoid alcohol or tobacco while using Auralgan drops?

Official regulatory text requires that the use of this medicine with food, alcohol, or tobacco be discussed with a healthcare professional. This guidance is provided because interactions may potentially occur during the course of the product's use.


Q: Is Auralgan available to purchase without a doctor's prescription?

The regulatory status of this product has varied across different countries and over time. For example, it was previously labeled for prescription use in the United States but is noted to be available without a prescription in some other countries, reflecting differing regional regulations.


Q: Why was Auralgan subject to regulatory action or recalls in the past?

The FDA previously announced its intention to take enforcement action against unapproved otic products containing the combination of benzocaine and antipyrine. This was due to a lack of data demonstrating safety and effectiveness for certain uses, particularly concerning methemoglobinemia risk.


Q: Does Auralgan have different uses depending on the country or regulatory body?

Yes, regulatory action and official labeling, such as its prescription status, warnings, and specific dosing instructions, have been observed to differ between countries. These differences reflect the separate approval processes of national regulatory bodies.


Q: What happens if Auralgan is accidentally swallowed?

Official patient information advises that if an overdosage is suspected, such as in the case of accidental swallowing, a person should contact a poison control center or emergency room at once for immediate assessment.


Q: Why do official documents state Auralgan is 'adjuvant therapy'?

The term 'adjuvant therapy' means supplementary treatment. For acute otitis media, the medicine is described as adjuvant because its use is intended to be a complementary measure for pain relief during the course of necessary systemic antibiotic administration.


Q: What is the appearance of Auralgan drops (color, consistency)?

The active ingredients are described as white powder or crystals that are dissolved in an anhydrous glycerin base. This base contributes to the product's characteristic viscosity and clear appearance.


Q: Is Auralgan effective against the congestion felt with otitis media?

Official product information states that the combination is indicated for the relief of symptoms, which includes helping to alleviate congestion that may be felt during acute otitis media.


Q: Can Auralgan be used for general ear itching?

While the primary documented indications are for pain and cerumen removal, some sources indicate the medicine is used to relieve minor ear pain and associated itching caused by the underlying infection. It is also relevant that itching is listed as a potential local side effect in the safety documents.


Q: What are the main components of Auralgan in terms of concentration per mL?

Official product descriptions specify the concentration of the active ingredients per volume. The concentration is listed as Antipyrine 54.0 mg and Benzocaine 14.0 mg per 1.0 mL of the solution.


Q: Why do some official texts mention 'oxyquinoline sulfate' in Auralgan?

Some official product descriptions and texts explicitly list oxyquinoline sulfate as an ingredient contained within the otic solution. It is listed as an additional component alongside the active analgesic and anesthetic components.


Q: What does 'serous stage' of otitis media mean in the context of Auralgan's use?

The medicine is indicated for the relief of pain and reduction of inflammation during both the congestive stage and the serous stage of acute otitis media. The serous stage refers to the time when inflammation is present and fluid may be forming in the middle ear.

How should Auralgan be stored and disposed of?

How to Store and Dispose of Auralgan?

Official regulatory guidelines for Auralgan (antipyrine and benzocaine otic solution) define strict storage and disposal requirements to maintain product stability and ensure public safety.

Storage Requirements

  • Temperature: Store the solution at Controlled Room Temperature, specifically between 20^circC and 25^circC (68^circF to 77^circF).
  • Protection: The container must be kept tightly closed and protected from freezing, light, and excess heat.
  • Child Safety: It must be stored out of the sight and reach of children.
  • Stability: The medicine should be discarded six months after the bottle is opened, irrespective of the expiration date.

Disposal Instructions

  • Wastewater Restriction: Do not flush the medication down the toilet or throw it into household wastewater.
  • Recommended Method: Dispose of any unused or expired product through an authorized medicine take-back program.

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

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