Стрепсилс

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Стрепсилс

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Method of action: Throat Preparations

Treatment option: Pain

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 Стрепсилс

Quick Facts

Property Description
Active ingredient Amylmetacresol, Dichlorobenzyl Alcohol
Form Medicated lozenge (Throat pastille)
Pharmacological class Local Antiseptic Agent
Common use Symptomatic relief of minor mouth and throat infections
Origin Synthetic compounds

What is Стрепсилс and What Type of Medicine is It?

Стрепсилс is an over-the-counter (OTC) fixed-dose combination medicine categorized pharmacologically as a local antiseptic agent intended for application in the oropharyngeal area. This classification designates its primary function as the control of microbial growth directly at the site of administration. It is widely recognized in clinical practice as a readily accessible option for managing early-stage throat irritation.

The medicine is manufactured as a medicated lozenge, or throat pastille, which dictates its local route of administration via the mouth. This dosage form ensures the gradual, sustained release of the active ingredients to maximize contact with the mucous membranes, a strategy distinguishing it from short-contact liquid gargles or sprays.

Composition and Origin: Amylmetacresol and Dichlorobenzyl Alcohol

The core of the formulation relies on two distinct synthetic antiseptic compounds: Amylmetacresol and Dichlorobenzyl Alcohol (DCBA). Both are established aromatic compounds that act via chemical mechanisms to disrupt microbial integrity.

Their combination in this product provides a synergistic antimicrobial action, meaning the two agents work together to enhance efficacy against a broader spectrum of common pathogens—including various bacteria and fungi—than either substance achieves independently. The evidence supports the use of these agents to help reduce the discomfort associated with these minor throat infections, which is a key focus of the lozenge presentation.

General Purpose and Foundational Action

The general therapeutic purpose of Стрепсилс is to deliver symptomatic relief by exerting a local anti-infective action on the microbial causes of minor throat irritation and mouth infections. The high-level action involves a direct bactericidal and fungicidal effect, which contributes to the reduction of the microbial load in the affected area.

By concentrating the antiseptic agents right on the pharyngeal tissues, the product helps manage the soreness and discomfort associated with superficial oropharyngeal issues, providing a local, targeted approach.

What side effects are possible with Стрепсилс?

Possible side effects and safety information

The safety profile of the medicated lozenge containing Amylmetacresol and Dichlorobenzyl Alcohol is derived from official regulatory documentation and is primarily based on short-term use. All officially documented adverse reactions are classified with a frequency of "Not known" (meaning the frequency cannot be estimated from the available data).


Documented Adverse Reactions

Adverse effects listed in official safety documentation primarily fall into three System Organ Classes (SOC):

System-Organ Class (SOC) Examples of Reactions
Immune System Disorders Hypersensitivity reactions (Rash, Urticaria, Angioedema)
Gastrointestinal Disorders Abdominal pain, Nausea
Administration Site Conditions Oral discomfort, Glossodynia (painful tongue)

Serious Adverse Reactions focus on severe manifestations of hypersensitivity, specifically Angioedema, which involves swelling of the face, neck, throat, or tongue that could potentially affect breathing.


Population-Specific Safety and Limitations

The lozenge's safety documentation includes constraints for specific populations and patient conditions:

  • Pediatric Use: The product is not recommended for children under 6 years due to the risk of choking associated with the lozenge form.
  • Pregnancy and Lactation: Use during pregnancy and breast-feeding is generally advised to be avoided because clinical data are limited or insufficient.
  • Excipient Restrictions: A contraindication applies to patients with rare hereditary problems, such as fructose intolerance or glucose-galactose malabsorption, due to the presence of sugars (e.g., glucose, sucrose) in the formulation.

Official labeling states that no clinically significant drug interactions are known. The adverse effects listed pertain to short-term use, and regulatory documents note that additional adverse effects may occur under long-term treatment.

Overdose and Emergency Response

Overdose and When to Seek Help

The regulatory documentation, including the Summary of Product Characteristics (SmPC), defines a specific profile for the overdosage of Amylmetacresol and Dichlorobenzyl Alcohol. This information is limited strictly to officially documented findings regarding the manifestations and the required immediate action.

Documented Overdose Manifestations

According to prescribing information from authoritative regulatory agencies, overdosage of the lozenges is not expected to present a problem other than resulting in gastrointestinal discomfort. The documents confirm that serious clinical signs, physiological findings, or life-threatening outcomes are not expected based on the data assessed for this combination.

Management and Required Actions

The official management procedure for overdosage is defined solely as symptomatic treatment. The regulatory profile notes that no specific antidote is known or documented for the active ingredients.

Official Guidance on Seeking Help:

If an individual exceeds the recommended dosage, the official instruction is to consult a doctor or pharmacist for advice regarding the overdosage. The profile provides the contextual note that, due to the nature and local application of the lozenge form, accidental or deliberate overdosage is highly unlikely. This low-risk classification dictates the mandated action of seeking professional consultation rather than urgent emergency intervention.

Therapeutic Uses of Стрепсилс

What Стрепсилс treats: Main Uses and Benefits

The medication is commonly used to provide localized supportive symptomatic relief for minor mouth and throat infections. It is commonly used across conditions presenting with acute episodes of discomfort, generally helping to manage symptoms related to physical discomfort.

The medication addresses symptom clusters that may become intense or disruptive, including throat pain, localized soreness, and painful swallowing (dysphagia). It is considered relevant in clinical settings marked by minor, superficial infections, such as early-stage pharyngitis and certain localized mouth ulcers. By assisting with the functional strain caused by discomfort, it may help patients cope more steadily with these manifestations during periods of heightened symptoms.

“The use is aligned with localized relief, helping to ease the temporary discomfort that creates noticeable physiological strain.”


Quick Fact: Support for Symptoms of Acute Throat Discomfort

The medicine is applied in scenarios where short-term symptomatic assistance is needed to address acute, localized oropharyngeal pain and support general well-being during symptomatic periods.

Eligibility and Restrictions for Use

Eligibility and Contraindications

Official regulatory documents classify use for Стрепсилс (Amylmetacresol / Dichlorobenzyl Alcohol lozenges) based on age, immune status, and specific metabolic conditions.

Age-Related Eligibility Status
Adults and Elderly Allowed under standard conditions.
Children over 6 years Allowed under standard conditions.
Children under 6 years Not suitable; use is not recommended due to a documented risk of choking associated with the lozenge format.

Absolute Contraindications: The medicine is strictly contraindicated for any person with known hypersensitivity (allergy) to the active ingredients or any excipients. Use is also prohibited for patients with rare hereditary problems of fructose intolerance, glucose-galactose malabsorption, or sucrose-isomaltase insufficiency [1.1, 1.4].

Conditional Use: Patients with diabetes mellitus or a wheat allergy must take the formulation’s excipients (sugars, wheat starch) into account.

Pregnancy and Lactation: Regulatory data are limited. As a precautionary measure, the official status is avoidance during both pregnancy and breastfeeding, as a risk to the infant cannot be excluded [1.8, 1.10].

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents require attention to specific drug and substance combinations, particularly concerning certain Strepsils formulations that contain the active ingredient dextromethorphan (found in some Strepsils Cough preparations).

Contraindicated and Avoided Combinations

Interacting Product Category Required Action Rationale (Official Basis)
Monoamine Oxidase Inhibitors (MAOIs) (e.g., phenelzine) Contraindicated: Must not be used concurrently. Risk of serious pharmacodynamic interaction leading to serotonin syndrome.
Alcohol (Ethanol) Avoidance: Concurrent consumption must be prevented. Potential for enhanced central nervous system (CNS) effects.

Use of dextromethorphan-containing Strepsils products is strictly prohibited while taking MAOIs, including reversible MAO-A inhibitors. A mandatory washout period of typically 14 days is required after discontinuing MAOI therapy before starting treatment with the dextromethorphan-containing product. This time-based restriction is essential to manage the clinically significant risk. For all formulations, patients are officially advised to consult a healthcare provider for review of their complete medication regimen to ensure safe use, addressing potential additive effects with other CNS depressants if applicable.

Mechanism of Action

The Strepsils formulation, containing Amylmetacresol (AMC) and 2,4-Dichlorobenzyl Alcohol (DCBA), exerts its pharmacodynamic effects through two distinct, localized mechanistic domains: modulation of microbial integrity and regulation of peripheral sensory pathways.


Regulation of Microbial Processes

This domain describes the compounds' antiseptic function, which involves engaging mechanisms that compromise the structural and functional integrity of microorganisms, specifically bacteria and viruses. The constituents initiate the denaturation of external proteins and the rearrangement of tertiary structure proteins within microbial cells. This cascade of events leads directly to a reduction in the local microbial load, resulting in decreased localized proliferation of microorganisms within the targeted tissue.


Modulation of Sensory Afferent Signaling

This domain details the influence of the components on neuronal function. Both AMC and DCBA act as sodium channel antagonists on the localized peripheral nerve endings. This molecular interaction modulates key pathways associated with primary afferent nerve activity. The resulting downstream cascade is the suppression of signaling sequences, which translates into a decreased rate of nerve impulse transmission.

Dosage and Administration Information

How to Use Strepsils

The administration of Strepsils lozenges, which contain Amylmetacresol and 2,4-Dichlorobenzyl Alcohol, follows specific usage principles. The product is designated for oral administration, specifically designed for oromucosal application where the active ingredients are intended to act locally upon the tissues of the mouth and throat.


Official Dosing and Frequency

The standard single unit dose is one lozenge. The schedule permits administration every 2 to 3 hours as needed, establishing a high-frequency, intermittent use pattern.

Usage Parameter Instruction
Maximum Daily Intake Do not exceed 12 lozenges in a 24-hour period.
Course Duration Use for a maximum of 3 days; use the lowest effective dose for the shortest necessary duration.

Administration Method and Population Rules

For proper use, the lozenge must be dissolved slowly in the mouth rather than being chewed or swallowed whole, which ensures sustained local contact. The administration is not dependent on mealtimes and may be taken with or without food.

The product is suitable for children over 6 years old and follows the same dosing schedule as for adults. No dosage reduction is required for older adult patients. Instructions mandate that the maximum stated dose must not be exceeded.

Recent Clinical Evidence

Strepsils: Recent Clinical Evidence

Clinical research has focused on the active ingredients found in various Strepsils formulations, primarily the combination of amylmetacresol (AMC) and 2,4-dichlorobenzyl alcohol (DCBA), as well as products containing Flurbiprofen or Hexylresorcinol.


Analgesic and Symptomatic Relief

Randomized, controlled trials (RCTs) have examined the effect of AMC/DCBA lozenges on symptoms associated with acute sore throat due to upper respiratory tract infection. Key findings from these studies include:

  • Soreness: Studies observed a statistically significant reduction in throat soreness compared to a non-medicated placebo, with effects reported as early as five minutes after the first dose, persisting for up to two hours post-dose.
  • Functional Impairment: Investigations also assessed changes in difficulty swallowing (dysphagia), finding improvements compared to placebo over the two-hour post-dosing period.

Action in Specific Conditions

Different formulations have been studied to understand their roles in various clinical contexts:

  • Flurbiprofen Lozenge: Studies involving lozenges containing Flurbiprofen (an NSAID) have shown an association with reductions in throat pain, difficulty swallowing, and the sensation of a swollen throat in patients with pharyngitis, including those already receiving antibiotic treatment.
  • Sore Throat after Intubation: Clinical research has investigated the use of AMC/DCBA lozenges prior to certain medical procedures requiring intubation. Findings suggest that lozenge use may be associated with a reduced incidence and severity of postoperative sore throat and hoarseness in the hours and day following the procedure, compared to placebo.

Laboratory Evidence

In-vitro studies (conducted in a lab setting, not in humans) have explored the properties of AMC and DCBA, including a synergistic action when combined. These active ingredients have shown virucidal and bactericidal effects against certain pathogens associated with acute sore throat, such as Streptococcus pyogenes and various enveloped viruses (e.g., influenza A virus).

Frequently Asked Questions (FAQ)

Common questions about Стрепсилс (FAQ)

Q: What is the active ingredient in Стрепсилс?

Strepsils lozenges typically contain the antiseptic agents 2,4-dichlorobenzyl alcohol and amylmetacresol. These ingredients work together to help relieve the symptoms of a sore throat.

Q: How does Стрепсилс work to relieve a sore throat?

Strepsils contains two mild antiseptics, 2,4-dichlorobenzyl alcohol and amylmetacresol, which help to fight bacteria and viruses that can cause a sore throat. This action helps to soothe the pain and discomfort in the throat and mouth.

Q: Can Strepsils be used for cough relief?

Strepsils is primarily designed to relieve the pain and discomfort of a sore throat. While it may help soothe an irritated throat that contributes to a cough, it is not a dedicated cough suppressant. Some specific Strepsils formulations may include additional ingredients targeting cough.

Q: What is the typical age limit for using Strepsils?

Strepsils is generally recommended for use by adults and children over the age of 6 years. It is important to always check the specific product packaging or consult a healthcare professional for age-related guidelines, as different variants or countries may have specific recommendations.

Q: Is Strepsils safe to use during pregnancy or while breastfeeding?

Patients who are pregnant or breastfeeding should consult with a doctor or pharmacist before using Strepsils. While the active ingredients are generally considered safe for topical use, a healthcare professional can provide the most appropriate advice based on individual circumstances.

Q: How often can I take Strepsils lozenges?

The general recommendation for Strepsils lozenges is to dissolve one lozenge slowly in the mouth every 2 to 3 hours as needed for symptom relief. Do not exceed the maximum number of lozenges stated on the product packaging within a 24-hour period. It is important to follow the directions on the specific product packaging.

Q: Should I swallow or chew the lozenge?

You should not swallow or chew Strepsils lozenges. The lozenge should be allowed to slowly dissolve in the mouth to allow the active ingredients to act locally on the sore throat and mouth.

Q: Are there any side effects associated with Strepsils?

Like all medicines, Strepsils can cause side effects, although not everyone gets them. Rarely, people may experience allergic reactions (like rash or swelling of the mouth/face) or digestive discomfort. If any severe or concerning side effects occur, discontinue use and consult a healthcare professional.

Q: Does Strepsils contain sugar?

Many Strepsils products contain sugar (sucrose and glucose). However, Strepsils also offers sugar-free variants that are typically sweetened with alternatives like maltitol and isomalt. Patients concerned about sugar intake should check the ingredient list on the specific product packaging.

Q: Can I take Strepsils with other pain relief medications?

Strepsils can generally be taken alongside common systemic pain relievers like paracetamol (acetaminophen) or ibuprofen. However, it is always best to consult a healthcare professional or pharmacist to ensure there are no contraindications or interactions with any specific combination of medications you are currently taking.

How should Стрепсилс be stored and disposed of?

How to Store and Dispose of Стрепсилс?

The proper storage and disposal of Стрепсилс lozenges are defined by regulatory guidelines to maintain product stability and ensure public safety.

Official Storage Requirements

Requirement Instruction
Temperature Constraint Store the lozenges at a temperature below 25,^circmathrmC.
Packaging Rule Keep the medicine in its original packaging to protect it from the environment.
Child Safety Must be stored out of the sight and reach of children.

Required Disposal Protocol

Official disposal rules instruct that unused or expired Стрепсилс must not be disposed of in household refuse or flushed down the wastewater system. The medicine should be returned to a pharmacist or designated collection point, ensuring disposal complies with local pharmaceutical waste regulations.

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

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