Uciderm

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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 Uciderm

Uciderm is a specialized prescription-only topical antiinfective medication used primarily in dermatology, classified within the broad pharmacological class of antibiotics.


Property Description
Active ingredient Fusidic Acid (or Sodium Fusidate)
Form Cream, Ointment, or Gel
Pharmacological class Antibacterial agent (Fusidane class)
Common use Addressing localized bacterial skin infections
Origin Derived from the fungus Fusidium coccineum

What is Uciderm and What is its Composition?

The fundamental component of Uciderm is the active ingredient, Fusidic Acid (INN), which may also be formulated as its salt form, Sodium Fusidate. Fusidic Acid is structurally unique among antibiotics; it is a steroidal antibiotic belonging to the fusidane class. This substance is derived, having been originally isolated from the fermentation broth of the fungus Fusidium coccineum. This preparation is defined as a single product (monotherapy), meaning its effect is derived from the Fusidic Acid alone, distinguishing it from preparations that combine it with other drugs. The final preparation integrates the active substance within a suitable base, resulting in various common dosage forms like a cream or an ointment vehicle.

What Type of Preparation is Uciderm and What is its General Purpose?

Uciderm is available in several dosage forms, including cream, ointment, and gel, and is designed strictly for a topical route of administration on the skin. The general purpose of Uciderm is to address localized bacterial infections by suppressing the growth of susceptible bacteria. The drug is noted for its efficacy against Gram-positive bacteria, particularly Staphylococcus aureus, which are responsible for many common skin conditions. The core function of the drug is bacteriostatic, meaning its physiological action is to halt or interrupt the proliferation of bacteria, thereby giving the body's natural defenses the opportunity to resolve the existing infection.

What side effects are possible with Uciderm?

Possible side effects and safety information for Uciderm

The safety profile of Uciderm (Fusidic Acid) is documented in regulatory labeling according to standard classifications, primarily focusing on reactions localized to the application area. Adverse reactions are classified by frequency, based on pooled data from clinical studies and post-marketing surveillance.


Documented Adverse Reactions

The most frequent adverse reactions are generally related to the skin and the application site.

Frequency Classification Officially Documented Adverse Reactions (Examples)
Uncommon (>1/1,000 to <1/100) Pruritus (itching), Rash, Dermatitis, Application site pain (including burning sensation), Application site irritation, Erythema (redness)
Rare (>1/10,000 to <1,000) Hypersensitivity, Angioedema, Urticaria (hives), Blister, Conjunctivitis

Serious adverse reactions are categorized under the Immune system disorders. While classified as Rare, Angioedema is a documented, potentially severe manifestation of hypersensitivity and is noted in the regulatory safety context.


Key Safety Constraints

The primary safety constraint is the contraindication against use in patients with a known hypersensitivity to the active substance, Fusidic Acid, or to any of the product's excipients. Regulatory documents also specify that care should be taken to avoid contact with the eyes during application to the face, as this may cause conjunctival irritation.

For extended or recurrent use, the regulatory profile includes notes that this practice may increase the risk of developing antibiotic resistance or contact sensitisation to the product components.


Population Safety Notes

Given the negligible systemic absorption of topical Fusidic Acid, the regulatory documents state that no effects during pregnancy or on the breast-fed infant are anticipated, and the product can be used in these populations. The frequency and nature of adverse reactions in the pediatric population are generally expected to be similar to those in adults.

Overdose and Emergency Response

Overdose and When to Seek Help: Official Regulatory Information

This section outlines the documented overdose profile for Uciderm, based strictly on authoritative governmental regulatory documents. The information is organized according to the different exposure routes defined in the product's official labeling.

Overdose Manifestations and Risk Profile

Exposure Type Documented Risk and Manifestation
Topical Overuse Systemic overdose is considered highly unlikely due to the minimal absorption of the active substance into the bloodstream when applied to the skin. No specific systemic overdose symptoms are typically documented for excessive topical use.
Accidental Ingestion This route presents the critical risk for acute toxicity and is the primary focus of the regulatory overdose profile. Specific systemic manifestations may occur.

Required Emergency Actions

Immediate medical attention is required in the event of accidental oral ingestion of Uciderm. This instruction is explicit in the product's official labeling, as ingestion carries the highest potential for acute toxicity.

Management of an overdose is primarily symptomatic and supportive. Regulatory documents state that no specific pharmaceutical antidote is known or available for the drug, necessitating standard medical support and observation as clinically indicated.

Therapeutic Uses of Uciderm

What Uciderm Treats: Main Uses and Benefits

The therapeutic application of Uciderm (Fusidic Acid) is used in situations involving certain distressing symptoms in conditions marked by increased physiological stress. The medication is used across conditions presenting with acute episodes where additional symptomatic support is needed.


Condition Categories and Symptom Management

Uciderm is applicable within clinical settings that involve acute or disruptive symptom patterns, helping address groups of symptoms that may become intense or disruptive. Primary skin infections that may be managed include impetigo, folliculitis, sycosis barbae, paronychia, and erythrasma. It is also relevant when conditions where functional stability becomes affected, such as in minor cuts, abrasions, or pre-existing conditions like eczema that present with significant symptomatic burden.

This application supports patients during episodes of heightened discomfort by addressing the bacterial involvement, which is relevant for easing symptoms that interfere with daily functioning, such as localized pain, swelling, and discharge, thus contributing to improved comfort.


Quick Fact

Quick Fact: Supportive Symptom Management
Uciderm is commonly used across conditions presenting with acute episodes, supporting the patient during difficult episodes by easing symptom distress.

Eligibility and Restrictions for Use

Official Eligibility and Restriction Information

Official regulatory information regarding eligibility for this product, which is registered as a Class II Medical Device (Personal Lubricant) and not a pharmaceutical drug, defines who may use it based on its intended purpose and who must avoid it based on material compatibility.


Eligibility Classification Official Regulatory Status
Populations Allowed Individuals seeking supplemental penile and/or vaginal lubrication for intimate sexual activity.
Use is Restricted/Not Recommended Individuals using natural rubber latex, polyisoprene, or polyurethane condoms concurrently with the product.
Contraindicated Populations Not formally listed as a contraindicated population in the official summary.

Official Eligibility Statements

The intended eligible population is defined as those using the product for its specified function of providing supplemental lubrication to enhance the ease and comfort of intimate activity. The primary restriction is based on material incompatibility: the product must not be used with condoms made of natural rubber latex, polyisoprene, or polyurethane. This constraint excludes individuals using these specific barrier methods from concurrently applying the product, establishing a clear limitation on its use as documented in the regulatory summary.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Interaction Scope

The official interaction profile for Uciderm (topical Fusidic Acid) is characterized by a negligible systemic risk due to its local route of administration. Regulatory documents consistently state that the potential for interactions with systemically administered medicinal products is considered minimal or none known, stemming from the negligible amount of the active substance that reaches the systemic circulation after application.

Interaction Type Official Regulatory Statement
Contraindicated Combinations None documented for the topical formulation based on systemic interaction risk.
Pharmacokinetic Interference The risk of interacting with co-administered medicines via metabolic pathways (e.g., CYP enzymes) is considered minimal due to negligible systemic absorption.
Drug-Substance Interactions No known problems are documented with the co-use of food, alcohol, herbal products, or supplements.
Timing-Based Rules No mandatory timing separation rules are required for co-administration with systemic medications.

Interaction Classification

The regulatory classification defines the interaction severity as minimal to negligible clinical significance. Official government documents define the interaction structure by affirming that no formal drug-drug interaction studies have been performed for the topical product, and no formal restrictions on co-administration are listed. This is due to the low systemic exposure achieved following application.

Mechanism of Action

Uciderm is a combination preparation containing fusidic acid and betamethasone valerate. This article describes the distinct mechanisms of these two agents.

Fusidic Acid Mechanism

Fusidic acid, a steroidal antibacterial agent, targets the elongation factor G (EF-G) in susceptible bacterial species. It functions as an inhibitor by binding to the EF-G/GDP complex on the bacterial ribosome. This interaction prevents the essential conformational change required for the dissociation of EF-G from the ribosome, thereby inhibiting the translocation step necessary for extending the nascent polypeptide chain. The resulting cellular consequence is a swift and complete cessation of bacterial protein synthesis.

Betamethasone Valerate Mechanism

Betamethasone valerate, a potent synthetic glucocorticoid, penetrates cell membranes and acts as an agonist for the cytosolic glucocorticoid receptor ( GR). The activated ligand-receptor complex translocates to the nucleus, where it binds to specific glucocorticoid response elements ( GREs) in the promoter regions of target genes. This DNA binding modulates gene transcription, leading to the transrepression of pro-inflammatory genes, such as those encoding cytokines and chemokines, and the transactivation of anti-inflammatory genes, such as lipocortin-1 ( annexin A1). Lipocortin-1 inhibits phospholipase A2 ( PLA2), thereby blocking the release of arachidonic acid and its conversion into pro-inflammatory eicosanoids. The downstream systemic physiological consequences include a marked decrease in localized cellular infiltration, vasodilation, and the overall transcriptional output of inflammatory mediators.

Dosage and Administration Information

Administration Guidelines for Uciderm (Fusidic Acid Topical)

Uciderm, which contains Fusidic Acid or Sodium Fusidate at a 2% concentration, is manufactured only for topical (cutaneous) use. The instructions for application and duration are standardized across adult and pediatric populations.

Feature Labeled Guideline
Route of Administration Topical (application to the skin) only.
Dosing Schedule Apply a small amount of the 2% preparation (cream, ointment, or gel) gently to the affected area.
Standard Frequency Three or four times daily. Less frequent application may be adequate for covered lesions.
Course Duration Short-term use, typically seven days, and generally not to exceed 14 days.

Application Procedures and Use Constraints

The preparation does not require dilution or reconstitution and is applied directly to the skin. The standard frequency applies to both adults and children. Application may be conducted with or without a dressing; however, the use of an occlusive dressing may necessitate a reduced frequency, such as once or twice daily. Care must be taken to avoid applying the preparation in the eyes.

Connection to the Use Protocol

Standard clinical guidelines establish this short-course, multiple-times-daily protocol to structure the application of the topical antibiotic. The administration is constrained by the topical route and the requirement for a defined, limited treatment duration, ensuring a standardized approach to its use.

Recent Clinical Evidence

Research Evidence Overview: Studies on Uciderm (Topical Fusidic Acid)


Evidence for Use in Impetigo and Primary Localized Skin Infections

Uciderm (topical Fusidic Acid) was studied for use in common bacterial skin conditions, most notably localized, non-bullous impetigo. Researchers have primarily conducted Randomized Controlled Trials (RCTs) and subsequently summarized these findings in meta-analyses. These studies were often designed as comparative studies, sometimes including a placebo (an inactive substance) or another authorized treatment as a reference.

The research examined outcomes such as measures of lesion status and measures of symptom evolution, which are measurements used in research exploring how symptoms change over time, typically within a short-term, episodic context. Studies report how symptoms evolved in the observed populations where Uciderm was evaluated in adults and children presenting with these localized skin conditions. For other specific primary infections, such as folliculitis and paronychia, research examined measurements related to observed response and measurements of study duration.


Evidence in Cases of Secondarily Infected Skin Conditions

Research was also conducted in patients whose chronic skin condition, such as eczema (dermatitis), had developed a secondary bacterial component. These studies focused on patients whose conditions were characterized by fluctuating or episodic manifestations. Patterns of change were observed when the combination product (Fusidic Acid with a topical anti-inflammatory medicine) was used over the short-term study period. Findings were mixed regarding patterns observed when the antibiotic was used as a single agent versus the underlying condition treatment.

It is still uncertain how any observed changes in some combination studies relate to the effect of the antibiotic component versus the anti-inflammatory component. Research has not fully explored the use of Uciderm for infections that are deep or widespread, which remains an area where more data is needed.


Long-Term Research and Research Gaps

Clinical research on Uciderm primarily focuses on the acute phase of the infection. The assessment periods used in studies usually range from 7 to 14 days. Therefore, evidence describing the durability of the initial response is not fully established. Long-term effects are not fully established, and data for certain groups remain insufficient. A central research concern relates to antimicrobial resistance; its widespread use was associated with increased resistance patterns in target bacteria in some regions.

Key Studies & References

  1. Topical antibiotics for skin infections: a systematic review of the clinical effectiveness and cost-effectiveness of fusidic acid and mupirocin

Frequently Asked Questions (FAQ)

Common questions about Uciderm (FAQ)


Q: What is the main difference between Uciderm and other common skin creams?

Uciderm is officially described as containing two active medicines, distinguishing it from non-medicated creams. The first component is the antibiotic fusidic acid, which is designated to address susceptible bacterial presence. The second component is the corticosteroid betamethasone, which helps to reduce associated symptoms like inflammation, swelling, and itchiness. This combination is authorized for specific infected skin conditions.


Q: Is Uciderm a steroid, and if so, how strong is it?

Yes, the official product information confirms that Uciderm contains betamethasone valerate. This substance is classified as a potent topical corticosteroid (a type of steroid).


Q: Why is Uciderm only available with a prescription?

Regulatory documents indicate that Uciderm is a prescription-only medicine because it contains both a potent corticosteroid and an antibiotic. This classification ensures that its use is professionally monitored. Monitoring helps to prevent potential side effects associated with steroids and minimizes the public health risk of developing antibiotic resistance.


Q: Can Uciderm be used for rashes that aren't on the face?

Official guidelines define Uciderm as a topical application for the specific affected area of the skin, not just the face. However, the product label advises caution when applying it over large areas of the body or in skin folds. This caution is in place because these application conditions may increase the potential for the medicine to be absorbed systemically.


Q: How quickly does Uciderm start to work after I begin using it?

Studies and official product information indicate that observable improvement may be seen within the first week of starting treatment.


Q: Is it normal to feel a mild stinging or burning when first applying Uciderm?

According to official safety information, application site irritation and a burning sensation are documented as uncommon side effects. These reactions are documented to occur at the site of application.


Q: How long can a person safely use Uciderm before needing a break?

Regulatory guidance restricts the duration of treatment. A single treatment course should not normally exceed 2 weeks (14 days). This duration is specified to help minimize the risk of developing antibiotic resistance and to reduce the potential for side effects associated with the potent steroid component.


Q: Do studies show Uciderm is a long-term solution for my skin condition?

No, official product information clarifies that Uciderm is intended for short-term use only, typically lasting a maximum of 14 days. Long-term continuous topical therapy should be avoided. The medicine is authorized for short-term use to treat acute episodes, and is not designated as a long-term solution.


Q: Why do doctors often prescribe Uciderm for eczema?

The official therapeutic indication for Uciderm includes the treatment of eczematous dermatoses (a group of conditions that includes eczema). It is prescribed when the condition is complicated by a secondary bacterial infection that is confirmed or highly suspected.


Q: Can Uciderm cause skin discoloration or lightening?

Yes, the regulatory documents include lightening of your skin color (known as hypopigmentation) as a possible adverse effect. This change is associated with the corticosteroid component of the medicine.


Q: What is the maximum body area that Uciderm can be applied to?

Official warnings advise caution when applying Uciderm over large areas of the body. The product information does not specify a maximum size, but it states that treating large surface areas may increase the chance of systemic side effects due to increased absorption.


Q: Do I need to wait a certain amount of time between applying Uciderm and using moisturizer?

Regulatory-approved patient information suggests allowing at least 30 minutes after application before using other topical products, such as a moisturizer or emollient.


Q: Can I use Uciderm if I have other skin infections?

Official documents state that Uciderm is contraindicated (should not be used) for primary skin infections caused by certain pathogens. This includes infections caused by fungi and viruses, such as cold sores or chickenpox.


Q: Are there any long-term side effects that have been studied for Uciderm?

Long-term continuous therapy is officially avoided due to potential serious side effects related to the steroid component. These documented risks include skin thinning (atrophy) and the formation of stretch marks (striae). Prolonged use may also potentially affect the adrenal glands.


Q: Why is the official guidance for Uciderm so strict about where it can be applied?

The strict official warnings regarding application near the eyes are in place for safety. If the cream accidentally enters the eye, it may lead to a condition known as glaucoma (increased pressure in the eye).


Q: Can Uciderm be used to treat acne?

No, the official regulatory documents state that Uciderm is contraindicated for the treatment of both acne vulgaris and acne rosacea.


Q: Is Uciderm approved for use in infants or toddlers?

The medicine is contraindicated (not to be used) in children under the age of one year. Official regulatory information indicates that Uciderm is approved for use in children over 1 year of age.


Q: How does the concentration of Uciderm cream compare to the ointment?

Regulatory documents confirm that the active ingredient concentrations of both the antibiotic and the steroid are the same for the cream and ointment formulations. The primary difference is the base ingredient, which affects the product's texture and feel.


Q: Can Uciderm be used on skin folds or sensitive areas?

Official warnings advise that use on sensitive areas, such as the face or skin folds, is generally restricted or requires special caution. Applying the cream in these areas may lead to increased absorption of the steroid, which can increase the risk of side effects like skin thinning or adrenal suppression.


Q: What are the key themes or findings from the major clinical trials of Uciderm?

Studies examined how Uciderm worked on infected skin conditions. Key findings demonstrated that the combination product was superior to treatment with the corticosteroid alone in cases of infected eczema. The trials also noted that observable improvement typically occurred within the first week of treatment.


Q: Can Uciderm cause hair growth or thinning where it's applied?

Yes, the official documentation of adverse reactions includes changes to the skin and hair follicles. Documented side effects include thinning of the skin (atrophy) and changes in hair growth patterns, such as hypertrichosis (increased hair growth) or folliculitis (inflammation of the hair root).


Q: What kind of monitoring is recommended while using Uciderm?

Regulatory documents recommend that the course of treatment be evaluated frequently by a healthcare provider. Furthermore, if no improvement or worsening is observed after 7 days of treatment, it is recommended that the use be discontinued and professional advice be sought.


Q: Does Uciderm lose its effectiveness over time if used regularly?

Yes, regulatory warnings state that extended or recurrent use of the antibiotic component may increase the risk of the targeted bacteria developing antibiotic resistance. This means that over time, the medicine may lose its effectiveness against the infection.


Q: Why is Uciderm not recommended for people with certain medical conditions?

Official documents list several conditions where Uciderm should not be used, including rosacea and primary skin infections caused by viruses or fungi. Additionally, caution is advised for patients with diabetes mellitus due to the potential for systemic absorption of the corticosteroid component.


Q: Does the time of day matter when applying Uciderm?

The standard regulatory recommendation for Uciderm application specifies the frequency for the affected area. The specific time of day for application (e.g., morning vs. evening) is not typically specified.


Q: Is Uciderm a cure, or does it just manage symptoms?

The official authorization permits Uciderm to address conditions where a bacterial infection is present. It acts by killing susceptible bacteria (due to the antibiotic) and reducing associated symptoms like swelling and itching (due to the steroid). It is approved as a short-term course of treatment for acute episodes.


Q: Can Uciderm affect my blood sugar levels?

Regulatory warnings advise caution when Uciderm is used in patients with diabetes mellitus. This is because systemic absorption of the corticosteroid component is possible, and it may have the potential to raise blood glucose levels.


Q: Is it possible to become dependent on Uciderm?

Official guidelines restrict the medicine to short-term use only. This restriction is in place because prolonged topical use of the corticosteroid component may cause skin atrophy and other serious side effects.


Q: What are the non-active ingredients in Uciderm?

The official product information lists the non-active ingredients (excipients) used in the preparation. Excipients with known potential effects include cetostearyl alcohol, which may cause local skin reactions, and chlorocresol, which may cause allergic reactions.


Q: Can I use Uciderm if I have open wounds or broken skin?

Official warnings generally advise that use on open wounds, skin ulcers, or broken skin is restricted. This is a standard safety measure for topical corticosteroids and antibiotics unless a healthcare professional specifically advises otherwise.


Q: Is Uciderm intended for daily maintenance or just for symptom relief?

Regulatory guidelines specify that Uciderm is intended for short-term use only to treat acute episodes when a bacterial infection is present. It is not approved or intended for daily maintenance therapy.

How should Uciderm be stored and disposed of?

How to Store and Dispose of Uciderm

The storage and disposal of Uciderm (Fusidic Acid) must follow the rules documented in official regulatory labeling to ensure product stability and safety.

Storage Requirements

Uciderm must be stored at controlled room temperature, typically below 25 C or 30 C, and must be kept from freezing or excessive heat. It should remain in a closed container to protect it from dampness. For safety, the medicine must be stored strictly out of the sight and reach of children.

Stability and Disposal

The product has a restricted shelf-life once opened; many formulations must be discarded after 4 weeks to 6 months of first use, as specified in the labeling. Unused or expired Uciderm must not be disposed of via wastewater or household waste due to its antibacterial nature. Disposal must strictly follow local pharmaceutical waste requirements.

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

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