Advertisements

Benzodiazol

Quick links to important sections

Benzodiazol

Advertisements
Advertisements

Method of action: Throat Preparations

Treatment option:

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.

Advertisements

Overview of Benzodiazol

What Type of Medicine is Benzodiazol and What is its Composition?

Benzodiazol is a combination medicine formulated for local application as an oral and throat treatment. It is classified as a co-formulation of a Local Anti-Infective and a Local Anesthetic. The preparation is composed of two distinct, synthetic active pharmaceutical ingredients: Dequalinium Chloride and Lidocaine Hydrochloride. Dequalinium Chloride is an antiseptic with broad-spectrum activity against various microorganisms, including bacteria and fungi. As a quaternary ammonium compound, it works by disrupting the cell membranes of pathogens, which aids in suppressing the local microbial load.

In What Forms is Benzodiazol Delivered for Local Application?

Benzodiazol is designed for topical mucosal application, with dosage forms optimized for the throat and mouth, such as the lozenge (pastille), oral spray, and various solutions for rinsing. This system of local application ensures that the active ingredients are applied directly to the affected surfaces. The anesthetic component, Lidocaine Hydrochloride, is a recognized agent for providing targeted, temporary reduction of local discomfort through its numbing properties.

What is the General Purpose of Combining the Antiseptic and Anesthetic?

The general therapeutic purpose of combining Dequalinium Chloride and Lidocaine Hydrochloride is to provide dual action: simultaneously managing the microbial presence while offering immediate symptomatic relief. The formula's antiseptic property works toward suppressing the proliferation of the microorganisms responsible for irritation, while the anesthetic property delivers rapid pain sensation reduction through a targeted numbing effect. This combination is used for the localized management of discomfort associated with minor irritations in the oral cavity and pharynx.

Regulatory References

  1. World Health Organization Essential Medicines
Advertisements

What side effects are possible with Benzodiazol?

Possible side effects and safety information

The safety information for this combination product (Dequalinium Chloride and Lidocaine Hydrochloride) primarily focuses on reactions at the site of application and potential hypersensitivity, as defined in official regulatory documents.

Adverse Reaction Scope

The most frequently documented adverse effects relate to the Gastrointestinal Disorders system-organ class, including localized soreness of the tongue, mouth discomfort, a burning or stinging sensation, and an alteration in taste sensation. Hypersensitivity reactions are also officially noted under Immune System Disorders.

Classification Documented Adverse Reactions
Occasional / Uncommon Soreness of the tongue, Hypersensitivity reactions
Rare Systemic effects (linked to excessive local use)

The most serious safety concerns documented are related to the potential for severe allergic-type reactions, which, though rare, may present as anaphylactic symptoms such as difficulty breathing or swelling of the face, lips, or tongue.

Regulatory Safety Constraints

Official labeling defines strict limitations for the use of this medicine. It is contraindicated in individuals with a known history of hypersensitivity to the active substances or to other local anesthetics of the amide type. Furthermore, regulatory texts caution against the simultaneous or consecutive use with other antiseptics due to potential inactivation or interference.

Population-Specific Notes

The safety of the product has not been established for use during pregnancy or lactation. Regulatory notes also indicate that specific considerations should be applied for elderly, acutely ill, and pediatric patients due to the potential for varied tolerance and increased blood levels of the Lidocaine component.

Advertisements

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory documents outline that an overdose of this combination medicine is primarily defined by the potential for systemic toxicity from the Lidocaine component. Overdose manifestations may begin with Central Nervous System (CNS) effects, including lightheadedness, dizziness, tinnitus, blurred vision, and tremors. These signs are documented to rapidly progress to severe complications, such as seizures, loss of consciousness, respiratory arrest, and potentially cardiac arrest. Separately, overdose from the Dequalinium Chloride component is documented to result in gastrointestinal discomfort.

When to Seek Immediate Medical Attention

Immediate medical attention is required if signs of the serious blood disorder, methemoglobinemia, are observed, including cyanotic skin discoloration (pale, gray, or blue skin/lips), rapid heart rate, or shortness of breath. The product must be discontinued immediately if this condition is suspected. Infants under six months of age are noted in labeling as being more susceptible to this outcome.

Required Emergency Actions

While no specific antidote is formally listed, emergency management for systemic toxicity focuses on maintaining airway and heart function and may include specialized interventions, such as lipid emulsion therapy. Hospital monitoring is required for any severe systemic effects, particularly in patients who experience cardiac dysrhythmias or seizures.

Advertisements

Therapeutic Uses of Benzodiazol

What Benzodiazol Treats: Main Uses and Benefits

This local treatment, which combines an antiseptic and an anesthetic, is commonly used to help manage the overall symptom burden of minor mouth and throat issues. This category of treatment is specifically used for addressing sore throat symptoms.

The medicine is applied across domains where additional symptomatic support is needed for conditions involving inflammatory or irritative processes. It is commonly used to address symptoms associated with the initial phases of pharyngitis, common tonsillitis, stomatitis, or localized oral irritations like aphthous ulcers and gingivitis. The combination is relevant for managing symptom clusters that may become intense or disruptive and contributes to easing the overall symptom load.

The primary benefit is symptomatic relief for acute, localized pain that can interfere with daily functioning, such as swallowing. It provides support that helps ease the overall symptom load during episodes of heightened discomfort.

“The treatment is generally used when short-term symptomatic assistance is needed to help improve day-to-day comfort during symptomatic periods.”

Quick Fact: Symptomatic Support for Acute Localized Pain

Benzodiazol is relevant in clinical settings that involve acute or unstable symptom patterns, offering symptomatic relief that helps patients cope more steadily with symptom fluctuations and supports patients during difficult episodes.

Advertisements

Eligibility and Restrictions for Use

Who Can and Cannot Use Benzodiazol? - Official Regulatory Information

This section outlines the official population eligibility rules for Benzodiazol (Dequalinium Chloride and Lidocaine Hydrochloride), based strictly on government-approved labeling.

Contraindications and Non-Eligibility

Benzodiazol is contraindicated in patients with a known history of hypersensitivity or allergy to Dequalinium Chloride, Lidocaine Hydrochloride, or local anesthetics of the amide type. Individuals with severe cardiac conduction disturbances, such as complete heart block, are also officially prohibited from using this medicine.

Restricted and Conditional Use

Population Group Regulatory Status
Pediatric Use (Children/Adolescents) Generally not recommended due to insufficient data to establish safety and efficacy. Use is primarily for adults.
Severe Organ Impairment Caution is required for patients with severe hepatic or renal impairment, as the Lidocaine component may accumulate. Dose adjustment may be necessary.
Pregnancy Not recommended or use only if medically needed; caution is also advised during lactation.
Elderly/Debilitated Use with caution; a reduced dose may be necessary due to potential decreased clearance.

Eligibility is defined by regulatory criteria, with use primarily intended for adults who do not possess these documented contraindications or high-risk conditions.

Advertisements

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information for Benzodiazol identifies key drug and substance categories that require specific management due to documented interaction risks. These interactions are categorized based on their mechanism and resulting clinical requirement.

Pharmacokinetic Interactions

The primary mechanistic basis for these interactions involves the modulation of Cytochrome P450 (CYP) enzymes and the P-glycoprotein (P-gp) transporter. Co-administration with strong CYP enzyme inhibitors or inducers or P-gp inhibitors or inducers can significantly alter the systemic plasma exposure of Benzodiazol or the interacting medicine. Regulatory bodies mandate that certain combinations be avoided (contraindicated) or require close therapeutic monitoring to manage the risk of reduced efficacy or increased drug-related effects.

Pharmacodynamic and Substance Interactions

Benzodiazol should be used with caution alongside other medicines classified as Central Nervous System (CNS) depressants. This includes, but is not limited to, certain opioids, sedatives, or tricyclic antidepressants. Official labeling requires cautious management due to the documented potential for additive depressant effects.

Furthermore, specific constraints are placed on co-ingestion with alcohol, which may also enhance CNS depressant effects. Regulatory documents may also detail restrictions on co-ingestion with specific foods or beverages to ensure the proper absorption and resulting efficacy of the medicine.

Advertisements

Mechanism of Action

Primary Action: Targeting GABA-A Receptors

Benzodiazol acts as a positive allosteric modulator at the GABA-A receptor complex, which is the brain's main target for the inhibitory neurotransmitter GABA. The drug enhances GABA's ability to bind to the receptor, thereby increasing the resulting inhibitory currents . This modification is the initial molecular step defining the drug's mechanism of action.


Mechanistic Cascade: Enhancing Inhibitory Tone

By increasing the GABA-A receptor's sensitivity, Benzodiazol increases the frequency of the associated chloride ion ( Cl^-) channel openings. The resulting influx of negative Cl^- ions causes the nerve cell to hyperpolarize (become more negative). This change in membrane potential raises the threshold for neuronal firing across targeted pathways.


Physiological Outcome: Influencing Neural Activity Profiles

This mechanistic activity pattern culminates in an increase in inhibitory tone within circuits that exhibit specific signaling patterns. Benzodiazol's action results in altered signaling profiles across specific CNS networks, influencing subsequent physiological activity.

Advertisements

Dosage and Administration Information

Administration and General Use

Benzodiazol is typically administered orally. The method of intake depends on the specific formulation provided, such as tablets or liquid solutions. Consistency in how the medication is taken can be a factor in its overall management within the body.

Oral Administration

When taking the oral form of this medication, it is common practice to swallow the tablet whole with a glass of water. For those using liquid formulations, precise measurement is necessary to ensure the intended amount is consumed.

Interaction with Food

Benzodiazol may be taken with or without food. However, maintaining a consistent routine—either always taking it with a meal or always taking it on an empty stomach—can help maintain steady levels of the medication. Some individuals find that taking the medication with food helps manage gastrointestinal comfort.

Duration of Use

This medication is generally intended for short-term application. The duration of use is determined based on the specific needs of the individual and the nature of the condition being addressed. Long-term use is typically reviewed periodically to ensure continued appropriateness.

Handling and Storage

Proper handling of the medication involves keeping it in its original packaging until the time of use. It should be stored at room temperature, away from excessive moisture and direct light. Keeping the medication in a secure location helps prevent accidental ingestion by others.

Advertisements

Recent Clinical Evidence

Research evidence / Overview of studies for Benzodiazol

The research evidence for this medicine focuses on two distinct areas of study: outcomes related to physical discomfort and outcomes related to the local microbial load. The evidence base is composed mainly of Randomized Controlled Trials (RCTs) and systematic reviews related to these specific functions in relevant populations.


Evidence for Symptomatic Relief of Acute Sore Throat Pain

Research has explored how the local anesthetic component of this medicine was evaluated in research exploring patient-reported outcomes describing perceived discomfort related to acute pharyngitis or general sore throat. These trials were used in research exploring how symptoms change over time, and studies monitored patient-reported outcomes describing perceived discomfort. Findings describe patterns observed in the studies, where changes in pain intensity measurements were reported soon after administration. This research provides insight into short-term changes observed with the anesthetic component.

It is important to note that the research primarily focusing on symptomatic relief often examined the anesthetic component (Lidocaine) either on its own or alongside an antiseptic other than Dequalinium Chloride. Therefore, the specific findings related to the combination product are sometimes inferred from data on the anesthetic agent alone. The follow-up durations were limited, meaning the evidence is generally restricted to the rapid, short-term activity, which relates to a temporary, localized activity.


Research on Local Microbial Load Suppression

Studies have explored how the anti-infective component (Dequalinium Chloride) was evaluated in studies examining the local microbial presence during throat irritation. The evidence base for this action includes comparative clinical trials conducted on patients with pharyngitis, as well as In Vitro (laboratory) studies. Laboratory findings reported patterns where the anti-infective agent was observed in studies examining certain microbial strains relevant to the oral cavity.

However, clinical data that precisely links the measurements of microbial load suppression to outcomes related to daily functioning or activity level for individual patients evidence is limited. Research so far indicates that while patterns of antiseptic activity have been reported in laboratory settings, clinical evidence on its influence on symptom changes is still being explored.


What Research Still Needs to Address

Research has identified several areas where the evidence landscape for this combination treatment remains incomplete. Comparative evidence is lacking regarding direct head-to-head trials against similar combination products or other approved treatments for acute pharyngitis. While patterns of activity of the two active components have been reported through separate research lines, more data is needed to confirm the patterns observed when using the Dequalinium Chloride / Lidocaine combination in a clinical setting.

Advertisements

Frequently Asked Questions (FAQ)

Common questions about Benzodiazol (FAQ)


Q: Are there foods or drinks that should be avoided when using Benzodiazol?

Official warnings for local anesthetics used in the mouth note that the numbing effect can impair swallowing. Regulatory documents state that food and drink should be avoided for approximately 60 minutes following use to help prevent the risk of food or drink accidentally going down the wrong way (aspiration).


Q: Is Benzodiazol generally prescribed for use by children?

Official labeling primarily indicates the product is intended for adults. Official labeling states the lozenge formulation is for use in children aged 10 years and older, and the oral spray for children aged 6 years and older. However, official information also notes that the medicine is generally not recommended for overall pediatric use due to insufficient data to confirm its safety and effectiveness in all children.


Q: Is the strength of Benzodiazol the same for everyone?

The medicine is available in a standard dose unit, such as one lozenge. Regulatory information indicates the standard dose is generally fixed and not typically adjusted based on body weight for general use. However, official information notes that for elderly or acutely ill patients, caution is required, and a reduced dose has been noted as a potential necessity due to how the medicine is processed by the body.


Q: Does Benzodiazol affect blood pressure?

Blood pressure changes are not listed among the common adverse effects. The side effects documented most often are localized to the mouth and throat. However, official documents note that severe cardiac conduction disturbances, such as complete heart block, are a contraindication, and systemic effects are officially noted as a rare risk linked to excessive local use.


Q: Are there differences in Benzodiazol's effects based on a person's weight?

The standard dose is fixed and regulatory texts do not typically specify adjustments based on a person's weight for general use. However, caution is advised for the elderly or acutely ill patients, as the risk of systemic effects from the Lidocaine component is generally related to body weight.


Q: How is Benzodiazol different from an antidepressant?

Benzodiazol is officially classified as a combination of a Local Anti-Infective and a Local Anesthetic, designed for topical use in the mouth and throat. Antidepressants belong to a separate pharmacological class and target different systems in the central nervous system. This is in contrast to the local, short-term purpose of Benzodiazol.


Q: Does Benzodiazol affect mood or only anxiety/sleep?

Official documentation on adverse reactions primarily describes localized effects, such as mouth discomfort. Effects on mood or systemic anxiety/sleep are not listed among the frequently documented adverse effects. Systemic side effects, which would be linked to such changes, are noted as rare and are typically linked to excessive local use.


Q: Is it normal to feel a bit light-headed when first starting Benzodiazol?

Light-headedness is not listed among the most frequently documented adverse effects, which are localized to the mouth and throat. Systemic effects are officially noted as rare and linked to excessive local use. Light-headedness is a recognized sign that too much of the local anesthetic has been absorbed into the bloodstream.


Q: What is the official advice on what to do in case of an overdose of Benzodiazol?

Official guidance for overdose or excessive use states that contacting emergency medical services or a poison control center immediately is necessary. This is because using more than the recommended amount can lead to systemic absorption of the ingredients and potential adverse effects.


Q: How quickly should Benzodiazol start working after taking it?

Official research examining the anesthetic component noted that changes in patient-reported discomfort measurements were reported soon after administration. This research provides insight into the rapid, localized onset of the pain relief component.


Q: How long does the effect of Benzodiazol typically last?

The official administration schedule defines a lozenge taken every 2 to 3 hours as needed. This interval is based on the intended short-term, localized duration of effect observed in studies for this topical medicine.


Q: Are there common but minor side effects reported for Benzodiazol?

The most frequently documented adverse effects relate to the application site, which includes localized soreness of the tongue, a burning or stinging sensation, mouth discomfort, and an alteration in taste sensation.


Q: Does Benzodiazol need to be taken with food?

Official instructions describe the medicine’s use as independent of meal consumption. The lozenge or spray can be administered either with or without food.


Q: Is Benzodiazol typically used for anxiety?

The official common purpose of Benzodiazol is managing local pain and microbial presence in the mouth and throat. It is not licensed or intended for the treatment of anxiety.


Q: Can Benzodiazol be used alongside other medicines for the same condition?

Official labeling cautions against the simultaneous or consecutive use with other antiseptics. This is due to the documented potential for one antiseptic to inactivate or interfere with the action of the other.


Q: Can Benzodiazol be prescribed for muscle spasms?

The official common purpose of Benzodiazol is managing local pain and microbial presence in the mouth and throat. This medicine is not intended for the treatment of muscle spasms.

Advertisements

How should Benzodiazol be stored and disposed of?

Storage and Handling Requirements

Official labeling for Benzodiazol specifies environmental conditions to maintain stability. The medicine must be stored at a temperature that does not exceed 25 C (77 F), generally in a cool and dry place. It must be protected from direct sunlight. The product should be kept in its original container or sealed blister strip, and for solutions or sprays, the container must be kept tightly closed.

Child Safety and Disposal

All medicines, including Benzodiazol, must be stored out of the sight and reach of children.

Regarding disposal, official documentation states that there are no special requirements for the final product or waste materials. Unused or expired medication can typically be disposed of in household trash after being sealed, provided local regulations do not require a specific take-back program.

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

Available in countries:

Equivalent of Benzodiazol found in:

A-Z Index: