Corticofusidic

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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 Corticofusidic

Corticofusidic: A Combination Topical Drug Overview

Property Description
Active ingredient Betamethasone Dipropionate and Fusidic Acid
Form Cream or Ointment
Pharmacological class Potent Topical Corticosteroid + Steroidal Antibiotic
Common purpose Managing inflammatory skin conditions with bacterial risk
Origin Synthetic (Betamethasone) and Semi-synthetic (Fusidic Acid)

Corticofusidic: A Combination Topical Drug

Corticofusidic is a fixed-dose combination medicine designed for topical application to the skin. It belongs to the class of combination drugs that integrate an anti-inflammatory steroid with an antibacterial agent to provide a comprehensive treatment approach. This type of product is considered a prescription-only medicine, as recognized by global health authorities.

This pharmaceutical preparation is structurally defined by its dual action status, which means it delivers two different therapeutic effects simultaneously in a single cream or ointment dosage form. The product's identity is rooted in its ability to address skin disorders that require both the soothing effects characteristic of a corticosteroid and the infection control provided by an antibiotic. Popular brands containing this specific combination include Fucibet, a widely recognized formulation.


Composition and Classification: Steroid Plus Antibiotic

The active ingredients in Corticofusidic are Betamethasone Dipropionate and Fusidic Acid. These two compounds define the medicine's unique pharmacological class: a potent topical corticosteroid combined with a steroidal antibiotic.

Betamethasone Dipropionate is a potent, synthetic glucocorticoid that is responsible for the strong anti-inflammatory effect, which quickly reduces redness, swelling, and severe itching. Betamethasone provides significant topical anti-inflammatory efficacy. Fusidic Acid is the antibiotic component, derived from the fusidane class, which is semi-synthetic in origin and works by inhibiting the production of vital proteins in susceptible bacteria.


General Therapeutic Role of the Dual Action

The general purpose of this dual-action medicine is to manage inflammatory skin conditions that are complicated by, or at risk of, a bacterial infection. A typical use scenario involves treating skin inflammation, such as certain forms of eczema or dermatitis, when a secondary bacterial issue is either present or suspected. The combination is essential because it simultaneously treats the discomfort of inflammation while addressing the bacterial component that may be worsening the underlying skin condition.

By integrating the anti-inflammatory properties of the potent steroid with the targeted antibacterial agent, Corticofusidic is formulated to effectively resolve the symptoms of inflammation while clearing the bacterial presence. This strategic, combined approach is clinically recognized for supporting skin recovery by managing the two key disruptive factors concurrently.

Regulatory References

  1. WHO Essential Medicines List: Fusidic acid
  2. NIH DailyMed: Betamethasone Dipropionate Ointment

What side effects are possible with Corticofusidic?

Possible Side Effects and Safety Information

This section describes the officially documented adverse reactions and safety characteristics of the Betamethasone Dipropionate/Fusidic Acid combination, as classified in regulatory documents.

Adverse reactions are primarily localized to the skin and application site. Reactions considered Uncommon (occurring in 1/1,000 to < 1/100 users) include pruritus (itching), dry skin, contact dermatitis, and sensations like burning or stinging at the site of application. Rare reactions include generalized rash or urticaria (hives).


Systemic and Exposure-Related Safety

Due to the presence of a potent topical corticosteroid, serious systemic effects are a documented class risk, particularly with prolonged use or application over large body areas. The most significant concern is the potential for Hypothalamic-Pituitary-Adrenal (HPA) axis suppression, which can lead to adrenal suppression and, in rare instances, features of Cushing's syndrome.

Adverse reactions associated with long-term topical steroid exposure, often classified with a Not Known frequency, include skin atrophy (thinning), striae (stretch marks), and telangiectasia (spider veins). Furthermore, Topical Steroid Withdrawal Reaction is an officially listed effect that may occur upon cessation of prolonged therapy.

Safety notes also indicate that the anti-inflammatory component can mask clinical symptoms of infection or hypersensitivity. There is a documented risk of developing bacterial resistance to the Fusidic Acid component with extended or recurrent use.


Population-Specific Safety

Regulatory documentation notes that pediatric patients have a higher susceptibility to systemic effects, including HPA axis suppression and potential growth retardation. During lactation, application of the medicine to the breast area must be avoided to prevent unintended exposure to the infant.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory profile for Corticofusidic focuses primarily on the risks associated with the potent topical corticosteroid component, Betamethasone, following prolonged and excessive use. The most serious documented manifestations of overdose are systemic, resulting from the absorption of large amounts of the steroid over extended periods (e.g., more than three weeks).

Documented Overdose Manifestations

Classification Regulatory Statement
Systemic Effects Overuse may lead to signs of Cushing’s syndrome or adrenocortical insufficiency (HPA axis suppression).
Paediatric Risk Paediatric patients may exhibit greater susceptibility to these systemic effects.
Oral Ingestion Systemic consequences from a single accidental oral intake are considered unlikely due to the low quantity of active substances.

Emergency Actions Mandated by Regulators

Immediate medical attention is required for any suspected overdose or if signs of systemic effects develop. Official government guidance mandates contacting a regional poison control centre or presenting to accident and emergency immediately, even if no discomfort is apparent. Management is strictly symptomatic and supportive, as no specific antidote is known for this combination product. The management strategy focuses on addressing the specific clinical manifestations, particularly those related to HPA axis suppression.

Therapeutic Uses of Corticofusidic

The medication is relevant for use in conditions such as eczematous dermatoses—a class of conditions that includes atopic eczema, discoid eczema, and contact eczema—specifically when secondary bacterial infection is confirmed or suspected.

This combination is applied across domains where additional symptomatic support is needed for inflammatory skin conditions that involve a microbial presence. The product is commonly used to help with groups of symptoms that may become intense or disruptive, targeting the key symptoms related to inflammatory or irritative states.

“The dual action provides supportive relief when symptoms interfere with routine activities, helping patients cope more steadily with difficult episodes.”

Corticofusidic supports the management of two coexisting factors: inflammation, often linked to redness and swelling, and bacterial presence. The product assists with maintaining functional stability and contributes to easing the overall symptom load during phases of increased distress or discomfort.


Quick Fact: Relief for Inflamed and Infected Skin

Corticofusidic is generally used when conditions characterized by heightened symptoms (like eczema) escalate temporarily due to a secondary bacterial component. The combined anti-inflammatory and antibacterial approach may be relevant for short-term symptomatic assistance.

Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Corticofusidic

This eligibility profile is based strictly on the official population rules and contraindications documented in government regulatory sources.


Eligibility Scope

Category Eligibility Rule (Official Regulatory Wording)
Populations for whom use is allowed Adults and children aged 1 year and older for eligible inflammatory dermatoses.
Populations for whom use is contraindicated Infants under one year of age and patients with known hypersensitivity to any component.
Age-related eligibility rules Children may demonstrate greater susceptibility to systemic effects; prolonged or large-area use must be avoided.
Pregnancy and lactation eligibility status Pregnancy: Use is not recommended unless clearly necessary. Lactation: Can be used; do not apply to the breast.

Eligibility Classifications (High-Level)

Category Official Regulatory Classification
Eligibility severity classification Contraindicated (Absolute Prohibition) / Restricted (Conditional Use).
Eligibility-context constraints Infection Type (Exclusion of viral/fungal infections); Site of Application (Exclusion of face/eye area); Skin Condition (Exclusion of rosacea).

Resulting Eligibility Structure

Official eligibility statements:

  • The medicine is strictly contraindicated for any primary skin infection caused by Fungi or Viruses (e.g., Herpes simplex, Varicella).
  • It must NOT be used for skin manifestations of Tuberculosis or Syphilis.
  • The product is also contraindicated for perioral dermatitis and rosacea.
  • Use on the face or in flexures requires special caution, avoiding large amounts or prolonged periods due to the risk of systemic absorption.

Connection to the overall eligibility profile Regulatory documents define who can and cannot use the medicine based primarily on absolute contraindications related to the corticosteroid content, restricting use in non-bacterial infections and certain facial conditions. Eligibility is further restricted by age, excluding infants, and by conditional use during pregnancy.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents define the interaction profile of Corticofusidic primarily by its route of administration and corresponding low systemic exposure. The combination medicine contains Betamethasone Dipropionate and Fusidic Acid, which are intended for topical use only.

Systemic Drug-Drug Interaction Profile

Interactions with systemically administered medicinal products are formally considered minimal due to the low degree of systemic absorption following topical application. Official regulatory agencies state that no interaction studies have been performed for this topical formulation, meaning there is an absence of documented pharmacokinetic (CYP-mediated) or pharmacodynamic interactions with other drugs in the labeling. Consequently, no specific medicines are explicitly listed as contraindicated or requiring dosage modification in the interaction section of the product's regulatory labeling.

Product–Substance Interaction Restriction

Regulatory documents include a mandatory procedural constraint related to a product-substance interaction: the residue on fabric presents a serious fire hazard. Contact with product residue on clothing, bedding, or dressings increases the risk of severe burns near naked flames. This restriction relates to the physical properties of the formulation and requires caution regarding proximity to heat sources.

Other Interaction Status

There are no known interactions documented in official labeling regarding the co-ingestion of Corticofusidic with food, alcohol, or herbal products.

Mechanism of Action

Fusidic acid, an antibiotic component, achieves its action by inhibiting bacterial protein synthesis. It interferes with the translocation step on the bacterial ribosome, specifically preventing the release of elongation factor G (EF-G) from the ribosome. This molecular interaction arrests the continuation of the protein chain, inhibiting synthesis and resulting in growth cessation for susceptible pathogens.


The corticosteroid component acts via binding to intracellular glucocorticoid receptors, which then translocate to the nucleus to modulate gene transcription. This modification alters the synthesis of several proteins, including lipocortin. Lipocortin inhibits phospholipase A2 activity, limiting the subsequent liberation of arachidonic acid, the precursor to prostaglandins and leukotrienes. This biochemical cascade suppresses inflammatory signaling and modulates the expression of pro-inflammatory cytokines, causing an anti-inflammatory physiological effect.

Dosage and Administration Information

Instruction Map: How to use Corticofusidic — Administration Guidelines


Administration Scope

Instruction Detail
Route of administration: Topical use (cutaneous use). The product is for external use only.
Dosing schedule: Apply a small quantity or a thin layer to the entire affected skin area.
Frequency and timing: Twice daily (usually morning and evening).
Duration of use: A single treatment course should not normally exceed 14 days (2 weeks).
Preparation requirements (if applicable): The product must not be mixed with moisturizers or diluted.
Age-group administration rules: Contraindicated in infants under one year of age. Use in older children requires caution, avoiding prolonged use or occlusion.
Missed-dose rules: Apply the missed dose as soon as remembered, but do not double the dose to make up for a forgotten application.
Special procedural conditions: Must be applied to a clean, dry affected area. Avoid application near the eyes, mouth, nose, and genitals. Do not use occlusive dressings unless medically directed. Patients should not smoke or go near naked flames while the product is on the skin or clothing.

Instruction Classifications (High-Level)

Classification Detail
Administration method type: Topical (Cream/Ointment).
Frequency pattern: Daily (divided use).
Guideline basis: Standardized clinical protocols.
Use-context constraints: Time-bound (max. 14 days), dose-sparing in pediatrics, avoidance of sensitive sites, external use only, and fire-risk awareness.

Resulting Procedural Structure

The usage protocol dictates a standardized, time-bound topical application regimen, requiring twice-daily dosing with a small quantity of the product to the localized area. This structure establishes clear limits on the duration of use, provides explicit procedural guidance on application sites, and defines specific age-based restrictions.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Corticofusidic

Evidence for Use in Eczematous Dermatoses with Secondary Infection

Research for Corticofusidic was studied for its role in conditions characterized by fluctuating or episodic manifestations, specifically eczema where the affected skin was observed in a context involving a confirmed or suspected secondary bacterial infection. The core evidence consists of comparative clinical trials, which align with the regulatory standards for evidence supporting a medicine's authorized use. Researchers designed studies to monitor short-term symptom changes, examining signs like redness and swelling, and also monitoring the bacterial status. Findings describe patterns observed during defined study intervals and document the research conducted on this dual-action medicine.

Long-Term Studies and Follow-Up Data

The majority of the available research was conducted during periods of increased symptom activity and designed to assess short-term symptom changes. As a result, follow-up durations were typically limited. Limited data exists to assess the durability of the observed responses or whether the medicine's use was associated with specific long-term patterns of disease management. Long-term effects are not fully established, and there is limited information regarding outcomes following repeated use.

Research in Specific Patient Groups

The principal clinical data was observed in the general population of patients dealing with inflammatory dermatoses and secondary infection. While studies were evaluated in various clinical settings, data for certain groups remain insufficient. Research has explored its use in specific age brackets, but evidence surrounding outcomes related to comorbidity-defined groups is still emerging. The results apply only to the populations studied within the initial clinical trial framework.

Consistency and Weight of the Evidence

The evidence supporting the licensed use of Corticofusidic for its intended, limited indication is classified at a High level. This classification reflects the standard of evidence quality and rigor documented in support of the medicine's recognition. The findings describe group patterns and describe what has been observed so far regarding the short-term outcomes measured during the studies. This evidence classification does not determine whether an individual will respond similarly.

What Remains Unclear or Under-Researched

Several areas remain uncertain within the research landscape. Long-term effects are not fully established, and the available evidence is limited in documenting the effects of treatment beyond the acute symptomatic period. Data for certain groups remain insufficient, particularly concerning the outcomes in patients with multiple complex health issues. The evidence highlights what is known—and what is still uncertain—about the long-term patterns of conditions characterized by fluctuating or episodic manifestations.

Frequently Asked Questions (FAQ)

Common questions about Corticofusidic (FAQ)


Q: Is it safe to use Corticofusidic while pregnant, based on official information?

Official documentation indicates that the use of Corticofusidic during pregnancy is not recommended unless a supervising healthcare provider determines the potential benefit clearly outweighs any potential risks. Information on its safety profile in this population is limited.

Q: Can Corticofusidic be applied to the face or near the eyes?

Official warnings state that application must be avoided near the eyes due to the risk of irritation and other effects. Use on the face or in skin folds requires special caution, and regulatory documents advise against using large amounts or applying the medicine for prolonged periods in these sensitive areas.

Q: What does the term 'topical use only' mean for Corticofusidic?

The term 'topical use only' means the medicine is strictly for external use and must be applied to the skin (cutaneous use). The product is not intended to be taken by mouth, used internally, or applied to mucus membranes.

Q: What is the main difference between Corticofusidic and regular antibiotic cream?

Corticofusidic is a fixed-dose combination medicine, meaning it contains two active ingredients: a potent corticosteroid (which reduces inflammation) and an antibiotic (Fusidic Acid, which fights bacteria). A regular antibiotic cream typically contains only the antibiotic component.

Q: What are the common misunderstandings people have about topical corticosteroids like the one in Corticofusidic?

Regulatory safety information highlights the importance of using potent topical corticosteroids only as directed, avoiding frequent and prolonged use, particularly on the face. Overuse may lead to long-term skin changes such as thinning (skin atrophy) and a reaction known as Topical Steroid Withdrawal Reaction when the medicine is stopped.

Q: Is Corticofusidic the same as Fucidin H cream?

No, while Fucidin H is also a combination cream containing the antibiotic Fusidic Acid, it uses a different, less potent steroid called hydrocortisone acetate. Corticofusidic contains Betamethasone Dipropionate, which is classified as a potent corticosteroid.

Q: Why do some doctors prescribe Corticofusidic for eczema?

The medicine is authorized for managing inflammatory skin conditions, such as certain forms of eczema, specifically when the affected skin is complicated by a confirmed or suspected secondary bacterial infection. The combination is designed to address both the inflammation and the bacterial component concurrently.

Q: Can Corticofusidic be used on open cuts or wounds?

Regulatory documents caution that using the product on broken skin or over large areas can lead to greater absorption of the medicine into the body. This increased absorption is noted as a possibility that can elevate the risk of systemic side effects.

Q: Is it normal to feel a stinging sensation right after applying Corticofusidic?

Sensations at the application site, including a temporary burning or stinging, are documented in the official product information. These effects are classified as Uncommon adverse reactions, meaning they occur in less than 1 out of 100 users.

Q: What are the most commonly reported side effects of Corticofusidic?

The most frequently reported reactions, classified as Uncommon, are primarily localized to the application site. These include discomforts such as itching (pruritus), dry skin, contact dermatitis, and the sensations of burning or stinging.

Q: What are the risks of stopping Corticofusidic too soon?

Regulatory warnings state that, as with other antibiotics, stopping treatment early can increase the risk of developing bacterial resistance to the Fusidic Acid component. Official documentation describes the typical duration of use as generally restricted, not normally exceeding 14 days.

Q: What are the general expectations for clearing up the condition using Corticofusidic?

Clinical studies supporting the medicine's license were designed to monitor short-term symptom changes (such as a reduction in redness and swelling) during defined study intervals. Findings describe the general patterns of short-term changes observed in groups of patients during the limited period of the studies.

Q: What kind of skin infections is Corticofusidic commonly used for?

The medicine is for inflammatory skin conditions where the bacterial component is caused by pathogens susceptible to Fusidic Acid. The label indicates the product is for conditions caused by bacteria susceptible to Fusidic Acid, such as Staphylococcus aureus (staph infections) and certain Streptococcus species.

Q: Are there documented cases of allergic reactions to Corticofusidic ingredients?

Official documentation lists hypersensitivity (allergic reactions) as a Rare adverse reaction. This includes rare reports of rash, hives (urticaria), or swelling of the face, tongue, or throat (angioedema).

Q: What is the relationship between Corticofusidic and antibiotic resistance?

Official documentation includes a specific warning about the risk of developing bacterial resistance to the Fusidic Acid component. This risk is particularly associated with extended or recurrent use of the medicine.

Q: Can Corticofusidic be used for acne?

No, official regulatory documents strictly state that the product is contraindicated (must not be used) for skin conditions such as acne vulgaris and rosacea.

Q: Is there a rebound effect if Corticofusidic is stopped suddenly?

Official safety notes list Topical Steroid Withdrawal Reaction as an effect that may occur upon the cessation of prolonged therapy. This condition is officially described as being characterized by a possible flare-up of symptoms that may be worse than before treatment.

Q: What population groups were included in the main clinical trials for Corticofusidic?

The principal clinical data was observed in the general population of patients dealing with inflammatory dermatoses and secondary infection. Research has explored its use in various age brackets, but official research notes that evidence surrounding outcomes related to comorbidity-defined groups is still emerging.

Q: What is the stability or shelf life of Corticofusidic cream once opened?

The medicine has a mandated in-use shelf-life once the container is opened. Official instructions state that the product must be discarded 3 months after the first opening of the tube.

Q: Does the application method affect the overall absorption of Corticofusidic?

Yes, certain application methods may increase the amount of medicine absorbed into the body (systemic absorption). Applying the product over large body areas, on broken skin, or under sealed coverings (occlusive dressings) is noted to increase this risk.

Q: Are there any specific materials (like bandages) that should be avoided with Corticofusidic?

Regulatory documents include a specific warning that materials like clothing, bedding, or dressings that contact the product residue can become a serious fire hazard. Therefore, these materials should be kept away from naked flames and heat sources.

Q: Are there different formulations of Corticofusidic, such as ointment vs. cream?

Yes, the medicine is structurally defined by its active ingredients and is authorized in different pharmaceutical forms. These include both a cream and an ointment.

Q: Is the fusidic acid component effective against staph infections?

Fusidic Acid, the antibiotic component in the medicine, is described as being effective against a range of susceptible pathogens. Official information describes Fusidic Acid as being effective against nearly all strains of Staphylococcus aureus (staph infections).

Q: Why do people use Corticofusidic for certain types of eczema?

The combination is used because it provides a dual action that is often necessary in these cases. The medicine is formulated so that the steroid helps manage the inflammation and discomfort, while the antibiotic concurrently targets the secondary bacterial infection that may complicate the skin condition.

How should Corticofusidic be stored and disposed of?

Storage & Disposal Scope

Element Official Regulatory Requirement
Labeled storage temperature requirements: Store below mathbf30 C (or mathbf25 C in specific regional labels).
Light/moisture protection requirements: Must be kept in a dry place and protected from light.
Stability after opening/reconstitution (if applicable): Discard 3 months after the first opening of the container.
Handling requirements: Do not freeze. Avoid smoking or going near naked flames when using, as materials in contact with the product can be a fire hazard.
Packaging-related storage rules (if applicable): Store in the original package and keep the container tightly closed.
Disposal instructions (as documented in government sources): Any unused medicinal product or waste material must be disposed of in accordance with local requirements.
Environmental or controlled-waste disposal requirements (if applicable): Do not dispose of the medicine in wastewater (e.g., down the sink or toilet) or in household garbage.
Child-protection storage requirements (if stated): Must be stored out of the sight and reach of children.

Resulting Storage & Disposal Structure

Official storage and disposal statements:

  • Storage temperature must not exceed mathbf30 C and the product must not be frozen.
  • The medicine has a mandated in-use shelf-life of 3 months after the tube is first opened, after which it must be discarded.
  • The product is a potential fire hazard, and contact with naked flames or smoking must be avoided near treated fabrics.
  • Disposal of unused or expired product must follow local pharmaceutical waste regulations and must not be thrown away into wastewater.
  • The product must be stored out of the sight and reach of children.

Connection to the overall storage/disposal profile (2–4 sentences): Regulatory documents establish the environmental constraints required for product stability, specifically protection from freezing, excessive heat, and light, necessitating storage in the original, tightly closed container. The profile defines the mandatory 3-month discard period post-opening and specifies the proper handling and final disposal requirements to mitigate fire risk and prevent environmental contamination from pharmaceutical waste.

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

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