Sebazole

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Sebazole

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Sebazole

Quick Facts

Property Description
Active Ingredients Chloroxylenol, Econazole, Sodium Thiosulfate
Form Topical Suspension (Medicated Shampoo/Solution)
Pharmacological Class Antiseptic, Antifungal, and Keratolytic Combination
General Purpose Management of skin conditions characterized by microbial overgrowth and scaling
Origin Synthetic Compounds

What Type of Drug is Sebazole and What Does it Contain?

Sebazole is classified as a combined dermatological preparation, distinguished by its poly-component formula that functions as an Antiseptic, Antifungal, and Keratolytic combination.

The product's identity is defined by its three distinct active ingredients, all of which are synthetic compounds: Chloroxylenol (p-chloro-m-xylenol), Econazole (an imidazole antifungal), and Sodium Thiosulfate. Econazole is an established imidazole antifungal agent, recognized for interfering with fungal growth. The antifungal properties of imidazole derivatives, such as Econazole, are well-documented for their application in treating topical fungal infections. Chloroxylenol provides antiseptic and bacteriostatic support, and the inclusion of Sodium Thiosulfate introduces a keratolytic mechanism. This precise combination is clinically recognized for its efficacy in a multi-factorial intervention approach.


What is the Form and General Purpose of Sebazole?

Sebazole is supplied as a topical suspension, most commonly prepared as a medicated shampoo or solution, and is intended strictly for topical administration to the skin or scalp surface.

This unique formulation as a wash-off topical suspension is designed to maximize contact time of the agents with the affected tissue before rinsing. The general therapeutic purpose of the formulation is to provide comprehensive management for dermatological conditions where microbial proliferation is an issue, alongside the presence of adherent scale or flaking. Its function relies on the combined capacity for antimicrobial action and keratolytic action to manage these factors concurrently. The combination of an antifungal agent with components that facilitate scale removal is a strategy utilized in dermatological practice to address various forms of scaling skin disorders.

Regulatory References

  1. EMA European public assessment report (EPAR) page

What side effects are possible with Sebazole?

Possible side effects and safety information

Sebazole's official safety profile is organized by adverse reactions and regulatory restrictions documented for its active components (Chloroxylenol, Econazole, and Sodium Thiosulfate). The most frequently reported adverse reactions affect the skin and site of application.

Regulatory documentation notes that local reactions such as burning, stinging, itching, and erythema (redness) are classified as Common, based on clinical trial data for the Econazole component. Other documented reactions, including general hypersensitivity, skin sensitization, contact dermatitis, and skin discolouration, are typically classified as Not Known, as their frequency cannot be precisely estimated from available spontaneous post-marketing reports.


Key Regulatory Safety Considerations

Safety Domain Regulatory Statement
Serious Adverse Reaction The medicine is contraindicated in individuals with a known hypersensitivity to any of its components.
Pediatric Restriction The Chloroxylenol component is officially not for use in children under 1 year of age.
Pregnancy/Lactation Econazole and Sodium Thiosulfate are classified as Pregnancy Category C; use is advised only when considered essential. Application to the breast area is not recommended during lactation.
Exposure Pattern The potential for the Econazole component to enhance the anticoagulant effect of warfarin is noted to be more relevant with application to large surface areas or under occlusion.

All components are strictly for external use only, with official warnings against ophthalmic use or application near the ears, nose, or mouth.

Overdose and Emergency Response

Overdose Map: Overdose and when to seek help — Official Regulatory Information for Sebazole

This section presents the officially documented overdose information and required emergency actions, strictly based on government regulatory documentation for the active ingredients, reflecting the risks associated with accidental systemic exposure.


Overdose Scope

Overdose scope
Documented overdose presentations: Ingestion is documented to cause gastrointestinal symptoms (nausea, vomiting) and local effects including corrosion and irritation of the oral mucosa, larynx, and digestive tract. Central Nervous System (CNS depression) is noted with large quantities. Systemic absorption carries the risk of thiocyanate toxicity, which can present with psychotic behaviour, blurred vision, and muscle cramps.
Physiological systems affected (as stated in label): Gastrointestinal tract, cardiovascular system (hypotension, bradycardia), renal system (renal failure), and the respiratory system (risk of pulmonary aspiration, ARDS, and cardiorespiratory arrest).
Dose-related or exposure-related factors (if applicable): Accidental ingestion or excess exposure are the primary contexts for regulatory warning. Severe outcomes are linked to systemic absorption and the swallowing of large quantities.
Population-specific overdose notes (if applicable): No population-specific differences in overdose severity are explicitly documented in the official regulatory sections for the topical combination.
Emergency-response statements (as written in official documents): Seek medical advice immediately in the case of ingestion or excess exposure. For accidental ocular contact, wash with water or saline and seek medical attention if symptoms persist.
When immediate medical help is required (label-derived phrasing only): Immediately upon accidental ingestion or excess exposure.

Overdose Classifications (High-Level)

Overdose classifications (high-level)
Severity classification (as defined in official documents): Risks include life-threatening outcomes such as cardiorespiratory arrest, renal failure, and life-threatening thiocyanate toxicity linked to the systemic properties of the components.
Regulatory basis (EMA / FDA / etc.): Information is based on the toxicological profiles and prescribing information standards of governmental regulatory authorities.
Overdose-context constraints (as defined in official documents): Overdose risk is primarily discussed within the context of accidental oral ingestion of the topical suspension.

Resulting Overdose Structure

Official overdose statements:

  • The systemic risk associated with accidental ingestion includes the potential for tissue corrosion, CNS depression, and severe systemic effects such as hypotension, renal failure, and thiocyanate toxicity.
  • The regulator mandates that medical advice must be sought immediately in the case of ingestion or excess exposure, and that careful observation of airway patency for 24–48 hours is required post-ingestion due to aspiration risk.
  • Management involves symptomatic treatment and appropriate supportive care, with no specific antidote documented for the final product.

Connection to the overall overdose profile (3 sentences): Regulatory documents define the overdose profile by linking accidental ingestion to specific severe complications, including corrosive damage, life-threatening aspiration events, and systemic toxicity. This documented high-risk profile dictates the regulator-mandated emergency action to seek medical advice immediately upon any suspected ingestion or excess exposure. Furthermore, the need for airway monitoring and supportive treatment underscores the severity and specific nature of the toxicological risks officially described in the prescribing information.

Therapeutic Uses of Sebazole

What Sebazole Treats: Main Uses and Benefits


The combination of an antifungal, an antiseptic, and a keratolytic agent in Sebazole is generally considered relevant for multifactorial skin conditions where microbial issues coexist with scaling. Given the therapeutic properties of its components, the product is primarily relevant in contexts involving superficial microbial overgrowth and excessive scaling.

The medication is commonly used to help manage yeast overgrowth, superficial fungal infections, and accompanying bacterial overgrowth. It is also applied in conditions characterized by periods of heightened symptoms related to excessive scaling, flaking, and adherent crusts, such as seborrhoeic dermatitis. By addressing both the microbial load and the physical debris, the formulation contributes to easing the overall symptom load.

A central focus is the symptomatic relief of distressing manifestations. This support can assist with preserving comfort during daily activities and maintaining a sense of stability when symptoms are more noticeable.


Quick Fact Block

Quick Fact Relief for
Helps Manage Microbial Growth Superficial fungal and yeast overgrowth
Helps Reduce Scaling and Debris Excessive scaling and adherent crusts
Symptom Management Pruritus and microbial-related irritation

Regulatory References

  1. NIH DailyMed overview of Econazole Nitrate Cream

Eligibility and Restrictions for Use

Who Can and Cannot Use Sebazole?

The population eligibility for Sebazole (Chloroxylenol, Econazole, and Sodium Thiosulfate topical combination) is strictly defined by regulatory documents, distinguishing between absolute contraindications and conditional use populations.


Absolute Contraindications

The medicine is formally contraindicated and must not be used by the following groups:

  • Patients with known hypersensitivity or allergy to Econazole, Chloroxylenol, Sodium Thiosulfate, or any other component listed in the formulation.
  • Application to the eyes or peri-ocular area, as the product is strictly for external, cutaneous use.

Age and Reproductive Restrictions

Population Group Regulatory Status
Pediatric (Children) Not established or Not recommended below the minimum specified age (e.g., typically under 12 years) due to insufficient efficacy and safety data.
Pregnancy Contraindicated or Must not be used during the first trimester. Use in later trimesters is only permitted if clearly needed and under medical guidance.
Lactation Use requires caution, and application to the breast area is generally not recommended.

Conditional Use

Sebazole should be used with caution and conditional restrictions apply to patients concurrently taking oral anticoagulants (e.g., Warfarin), as monitoring may be required due to potential low systemic absorption.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Sebazole is a product containing the substance ketoconazole. Interactions involving ketoconazole are officially documented and classified as clinically significant by regulatory bodies like the FDA and EMA, primarily due to its potent effect on the Cytochrome P450 3A4 enzyme system (CYP3A4).

This CYP3A4 inhibition can significantly increase the concentration of numerous co-administered medicinal products, which may necessitate regulatory restrictions.


Officially Documented Interaction Constraints

Interacting Product Category Practical Interaction Implication
HMG-CoA Reductase Inhibitors (e.g., simvastatin, lovastatin) Co-administration is generally contraindicated or subject to strict dose limitations due to potential for serious adverse reactions.
QT-prolonging Agents (e.g., disopyramide, dofetilide) Co-administration is often contraindicated to prevent serious cardiac arrhythmias.
Certain Oral Anticoagulants (e.g., warfarin) Requires close monitoring of blood parameters and potential dose adjustment of the anticoagulant.

Connection to the overall interaction profile

The interaction profile of the active substance ketoconazole is defined by its role as a potent metabolic inhibitor, which forms the basis for numerous regulatory constraints, including do-not-combine rules for agents like triazolam and eplerenone. These official governmental restrictions are put in place to manage the risk of elevated systemic exposure of co-medications.

Mechanism of Action

The mechanism of this combination product is defined by three coordinated pharmacodynamic actions—antifungal, antiseptic, and keratolytic—that exert effects at the skin surface, resulting in a decrease in microbial density and accelerated epidermal shedding.

Dual-Action Microbial Cell Membrane Disruption

The imidazole component, Econazole, selectively inhibits the fungal enzyme lanosterol 14-alpha-demethylase, halting the synthesis of ergosterol and causing structural failure of the fungal cell membrane. Simultaneously, Chloroxylenol provides a broader antiseptic mechanism by physically disrupting the outer membranes and denaturing internal enzymes of susceptible microorganisms. This dual mechanism leads to the disruption of microbial and fungal cell function, contributing to a decrease in their viability.

Chemical Keratin Breakdown and Scale Clearance

The third mechanism is driven by Sodium Thiosulfate, which exerts a keratolytic effect. It chemically interacts with the keratin structure in the stratum corneum, weakening the adhesion bonds that hold dead skin cells together. This action promotes the accelerated shedding (exfoliation) of the superficial scale, resulting in the physical detachment of hyperkeratotic tissue that can contain microbial formations.

Mechanistic Synergy and Enhanced Access

The combination achieves synergy because the keratolytic action removes the hyperkeratotic scale, which alters the physical environment, increasing the opportunity for interaction between the antimicrobial agents and the microbial site of action.

Dosage and Administration Information

Sebazole is supplied as a Topical Suspension and is strictly designated for topical administration to the affected areas of the skin and scalp. The correct usage protocol dictates application as a wash-off treatment, adhering to specific parameters designed to maximize the contact time of its active ingredients with the tissue surface.

Administration Protocol

The application process is standardized and requires specific procedural steps:

  1. The bottle must be shaken well before use to ensure the uniform distribution of the components.
  2. The affected skin or scalp should be wetted thoroughly before applying a sufficient amount of the suspension to create a rich lather.
  3. The lather must be left in place for a mandatory three to five minutes. This specific contact time is an essential procedural step defined in official instructions.
  4. The area must then be thoroughly rinsed with water until all residue is removed. The product is for external use only and must not be ingested.

Dosing Schedule and Course Duration

The dosing regimen is based on frequency rather than a specific mass or volume per application. The initial treatment phase typically involves application twice weekly. Following the completion of this phase, the frequency may be reduced to intermittent use for ongoing management, based on official label guidelines.

A single course of therapy is generally limited in duration, often prescribed for no longer than four weeks at any one time. An interval of at least four weeks is recommended between consecutive treatment courses. Use in younger populations, such as children and adolescents, requires the duration and frequency to be determined by a doctor.

Recent Clinical Evidence

Research evidence / Overview of studies for Sebazole

Evidence Landscape for Seborrhoeic Dermatitis

This section summarizes the scientific studies, including systematic reviews and controlled trials, that have examined individual agents belonging to the same therapeutic classes (antifungal and keratolytic) for the management of scaling and microbial overgrowth.

Research has primarily focused on the individual components found in Sebazole, which include an antifungal agent (Econazole) and a keratolytic agent (Sodium Thiosulfate). These components belong to therapeutic classes that were evaluated in numerous controlled trials for managing skin conditions characterized by microbial overgrowth and scale, such as seborrhoeic dermatitis. The evidence base consists mainly of Randomized Controlled Trials (RCTs) for the single-ingredient agents, along with comprehensive systematic reviews that combine the findings of multiple related studies.

Outcomes Evaluated in Clinical Trials

The relevant studies were designed to monitor outcomes related to physical discomfort, primarily by assessing changes in the visible signs of the condition. Researchers used specific scoring systems to measure symptom intensity or variability, tracking changes in scaling, flaking, and erythema (redness) on the skin or scalp.

Additionally, trials monitored physiological strain or stress by including laboratory measures of microbial load. This means the research examined whether the amount of yeast or fungal organisms on the affected skin changed during the study period. In trials of topical antifungal agents, patterns were observed in the measured microbial population present on the skin surface during the study period.

Populations Studied and Research Uncertainty

The body of research relevant to Sebazole's components primarily involved immunocompetent adults who presented with mild to moderate forms of the condition. Few data are available for other specific age groups, such as children, or for patients with other underlying health conditions.

A primary research limitation is that comparative evidence is lacking for the specific three-way combination of Chloroxylenol, Econazole, and Sodium Thiosulfate. The combination product itself has not been studied in the same volume of large-scale human randomized controlled trials as its individual components. Therefore, while studies describe the individual component patterns, data are still emerging regarding the results when the three ingredients are used together.

Key Studies & References

  1. Topical Antifungal Agents for Seborrheic Dermatitis: Systematic Review and Meta-Analysis

Frequently Asked Questions (FAQ)

Common questions about Sebazole (FAQ)


Q: How quickly should I expect to see changes after starting Sebazole?

A: Studies on related single-ingredient antifungal treatments typically involve a full treatment course of around four weeks. While some reports note that improvement may begin shortly after starting use, the time needed to see visible changes can ultimately vary based on the specific skin condition being treated and individual response.


Q: How long does the effect of Sebazole usually last after discontinuing use?

A: Research indicates that for certain fungal skin conditions, recurrence is noted in some cases, and official guidance includes the possibility of intermittent use for long-term management. Furthermore, the visible skin changes caused by the underlying condition, such as pigmentation issues, may take weeks or months to resolve fully even after the microbial infection is successfully addressed.


Q: Why is the application time for Sebazole important?

A: The specific application time (e.g., three to five minutes) is defined in the administration protocol as an essential procedural step. This contact time is required to ensure that the medication’s active agents maximize their interaction with the affected tissue. This allows the antifungal component to reach sufficient concentrations in the outer layers of the skin where the organisms are located.


Q: What should I do if I accidentally use Sebazole more often than recommended?

A: Official information indicates that overdosage has not been commonly reported for the active components when used topically. However, using the product more often than directed is not recommended, and if the medication is used differently than instructed, contact with a prescriber for guidance is advised.


Q: Can I use Sebazole if I have color-treated hair?

A: Regulatory documents for related medicated products include precautions about rinsing thoroughly after use, particularly on chemically-treated hair. This is noted to lessen the potential for hair discoloration.


Q: Is Sebazole the same as ketoconazole shampoo?

A: Sebazole is not the same as ketoconazole shampoo. Sebazole is a unique combination product that includes the antifungal agent Econazole, along with Chloroxylenol and Sodium Thiosulfate. Ketoconazole, while a related antifungal agent, is a different compound often used in single-ingredient shampoos.


Q: Does Sebazole treat more than just dandruff?

A: Yes, regulatory documents indicate that the Econazole component in Sebazole is officially indicated for the treatment of several fungal skin infections, not just seborrhoeic dermatitis. These include conditions such as tinea pedis, tinea cruris, and tinea corporis, and it is also listed as an option for tinea versicolor.


Q: Can Sebazole cause hair loss?

A: The official safety profile for the active ingredients does not list hair loss as a common side effect. However, some literature related to conditions treated by similar agents (tinea versicolor) has been associated with reports of hair thinning or loss in rare instances.


Q: Is it normal to feel a tingling sensation after using Sebazole?

A: The official documentation lists local skin reactions as Common, including burning, stinging, itching, and redness. A tingling sensation is generally regarded as a related type of application site irritation.


Q: How does Sebazole compare to other shampoos for scalp issues?

A: Sebazole is described as a unique multi-component product that combines the antifungal Econazole with an antiseptic and a keratolytic agent. Other common medicated shampoos used for similar scalp issues typically rely on only a single active agent, such as ketoconazole, selenium sulfide, or zinc pyrithione.


Q: Are there different strengths or formulations of Sebazole?

A: The specific Sebazole product is supplied as a Topical Suspension (medicated shampoo/solution). While the individual active ingredients may be available in other forms or strengths, the registered Sebazole product itself is offered in only one topical suspension formulation.


Q: Why does Sebazole have a warning about liver function?

A: Econazole, an active ingredient, belongs to the same class as Ketoconazole, which is known to inhibit the liver’s CYP3A4 enzyme system. This metabolic effect is the basis for regulatory warnings about potential drug-drug interactions, particularly if the drug is absorbed into the bloodstream in significant amounts.


Q: Can I use Sebazole if I have sensitive skin?

A: Official guidelines state that if a local reaction suggesting sensitivity or chemical irritation occurs, the medication's use is advised to be discontinued. Separately, the product is formally contraindicated for patients with a known allergy to any of its components.


Q: What happens if Sebazole gets into my eyes?

A: The product is strictly designated for external use only, and regulatory documents caution patients to avoid introduction into the eyes. Official documents describe that if accidental eye contact occurs, the area should be thoroughly flushed with water.


Q: Is it possible to be allergic to an ingredient in Sebazole?

A: Yes, official regulatory documents state that the medicine is formally contraindicated in individuals who have a known hypersensitivity or allergy to Econazole, Chloroxylenol, Sodium Thiosulfate, or any other component listed in the formulation.


Q: Why is Sebazole used for Pityriasis Versicolor?

A: The Econazole component, an imidazole antifungal, is listed by drug agencies as an effective topical treatment option for Pityriasis Versicolor (also known as Tinea Versicolor). This is a common superficial fungal skin infection.


Q: Can using Sebazole affect the color of my hair?

A: While the official side effect profile for the product lists skin discolouration as a possible reaction, it does not explicitly state an effect on hair color. However, caution regarding discoloration is noted in documents for related medicated shampoos, especially on chemically-treated hair.


Q: What is the difference between Sebazole cream and Sebazole shampoo?

A: Sebazole is officially supplied specifically as a Topical Suspension, which is formulated as a medicated shampoo or solution. Under the registered product name, a cream formulation is not offered.


Q: Can Sebazole be used on other parts of the body besides the scalp?

A: Yes, the antifungal component Econazole is indicated for treating fungal conditions in various areas, such as tinea pedis, tinea cruris, and tinea corporis. This indicates the product’s suitability for use on other affected areas of the body, beyond the scalp.


Q: What information is available about Sebazole use in the elderly?

A: Official documents note that clinical studies for the active components did not include a sufficient number of subjects aged 65 and over to determine if they respond differently than younger patients. The general regulatory guidance is that dose selection is advised to be cautious in the elderly population.


Q: Why do some people report dryness after using Sebazole?

A: The product includes Sodium Thiosulfate, which is an agent with keratolytic properties that promote the accelerated exfoliation of the superficial skin layer. This mechanism of increased skin cell turnover may be associated with feelings of dryness in some users.


Q: What are the alternatives to Sebazole for the same conditions?

A: Dermatological treatments for similar conditions often include single-ingredient medicated shampoos or solutions. These alternatives may contain other active agents such as ketoconazole, selenium sulfide, or zinc pyrithione.


Q: Are there any specific ingredients in Sebazole that frequently cause reactions?

A: The local application site reactions most commonly reported in clinical trials for the Econazole component are burning, itching, stinging, and redness.


Q: How is the active ingredient in Sebazole absorbed by the skin?

A: Following topical application, the systemic absorption of the active ingredient Econazole is described as extremely low. The majority of the applied drug remains on the skin surface, with very little being absorbed into the bloodstream.


Q: What kind of results can I realistically expect from using Sebazole?

A: The studies of the component agents evaluated outcomes related to the reduction of scaling and flaking, the alleviation of erythema (redness), and a measured decrease in the microbial load (fungal population) on the affected skin surface.


Q: Does Sebazole have an expiration date I should be aware of?

A: Yes, like all medicines, the product has a defined shelf-life determined by stability testing. It must not be used past the expiration date, which is typically printed on the packaging or the container.


Q: What is the purpose of the inactive ingredients in Sebazole?

A: Inactive ingredients are components that help form the product (the suspension) and ensure its correct texture, stability, and proper delivery to the skin. They are not intended to have a therapeutic effect on the condition being treated.

How should Sebazole be stored and disposed of?

Storage and Disposal Requirements

Official regulatory requirements define the mandatory conditions for storing and disposing of Sebazole Topical Suspension (Chloroxylenol, Econazole, and Sodium Thiosulfate combination).

Requirement Area Labeled Condition
Temperature Store below 30°C and protect from freezing.
Protection Protect from light and store in a well-ventilated place.
Container Keep in the original container and keep it tightly closed.
Child Safety Keep out of the reach and sight of children.
Disposal Do not empty into drains or wastewater. Dispose of unused product according to local regulations.

These mandated conditions ensure product stability and prevent environmental contamination. Hands must be washed thoroughly after handling the suspension.

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

Equivalent of Sebazole found in:

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