Silbecor

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Silbecor

Medically reviewed

Rosario Oropesa

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 Silbecor

Property Description
Active ingredient Sulfadiazine Silver (Silver Sulfadiazine)
Form Water-miscible Cream
Pharmacological Class Topical Antibacterial / Sulfonamide
General Purpose Controlling microbial growth on skin injuries
Origin Synthetic Compound

What Type of Medicine is Silbecor?

Silbecor is a recognized topical anti-infective medication whose active component, Sulfadiazine Silver, is a substance classified as a sulfonamide antibacterial and a chemotherapeutic agent designed specifically for application to the skin. The substance is a synthetic compound, chemically derived from the sulfa drug Sulfadiazine, which underpins its anti-infective properties. Silver Sulfadiazine is primarily used as an adjunct for preventing and treating wound sepsis in patients with severe burns, confirming the drug's established role in managing infection risk in compromised tissue.


Composition and Physical Form of Silbecor

The product is a single active ingredient formulation, containing micronized Sulfadiazine Silver dispersed in a hydrophilic cream base designed for topical administration. This specific delivery system is vital because the active component must maintain continuous contact with the injury surface. The cream base is water-miscible, enabling the controlled and sustained release of the active silver ion when it interacts with the moisture present in the wound environment. This controlled release mechanism is key to the drug's long-term effectiveness in keeping the injury site clean.


How Does Sulfadiazine Silver Provide General Benefit?

The general benefit is achieved through a dual-component bactericidal mechanism that has been the subject of extensive research. The Sulfadiazine part interferes with the processes necessary for microbial growth, while the Silver ion component actively destroys the microbes by disrupting their cell walls. By applying this two-pronged attack, the medication's primary therapeutic purpose is to control microbial proliferation on compromised tissue. This action helps reduce the overall microbial load, mitigating the risk of contamination and supporting a local environment that is conducive to the body's natural processes of healing.

Regulatory References

  1. MedlinePlus Drug Information

What side effects are possible with Silbecor?

Possible Side Effects and Safety Information

The safety profile of Sulfadiazine Silver, the active component of Silbecor, is defined by both local reactions and the potential for systemic effects related to the absorption of the sulfonamide agent. The official regulatory documents classify adverse reactions by frequency and affected system-organ-class.


Frequency-Classified Adverse Reactions

Adverse effects are categorized based on clinical trial and post-marketing data:

  • Common (may affect up to 1 in 10 people): Reactions include leukopenia (low white blood cell count) and local effects such as pruritus (itching), rash, or a burning sensation at the application site.
  • Rare to Very Rare (may affect 1 in 1,000 to less than 1 in 10,000 people): These include hypersensitivity reactions, skin necrosis, erythema multiforme, and interstitial nephritis. Skin discoloration (argyria) has been observed with prolonged use.

Serious Safety Considerations

Due to the nature of the sulfonamide, the label documents the potential for rare but serious adverse reactions, primarily associated with systemic absorption. These include life-threatening cutaneous reactions such as Stevens-Johnson syndrome (SJS) and Toxic Epidermal Necrolysis (TEN), as well as severe blood dyscrasias (e.g., agranulocytosis, aplastic anemia) and hepatocellular necrosis.


Population-Specific Safety Notes

The medication is subject to mandatory restrictions for vulnerable groups. It is contraindicated in premature infants and newborns less than two months old, and in women who are approaching or at term in pregnancy, due to the risk of kernicterus. Caution is necessary for individuals with G6PD deficiency due to the risk of hemolysis, and for patients with renal or hepatic impairment due to the risk of sulfadiazine accumulation. The transient drop in white blood cell count (leukopenia) typically occurs within the first two to four days of initiating treatment.

Overdose and Emergency Response

Overdose Manifestations and Severe Outcomes

Silbecor overdose information is centered on the risks associated with the systemic absorption of its sulfonamide component. When the cream is applied to extensive body surfaces, the resulting serum sulfa concentrations may approach toxic levels, triggering serious systemic manifestations. Documented clinical signs may include blood disorders such as leukopenia, thrombocytopenia, and hemolytic anemia, particularly in patients with G6PD deficiency. Renal complications such as the formation of sulfa crystals (crystalluria) and subsequent renal function impairment are also noted.

Official regulatory documents warn of life-threatening outcomes, including severe allergic reactions like Stevens-Johnson syndrome (SJS) and Toxic Epidermal Necrolysis (TEN). Furthermore, use is contraindicated in premature and newborn infants due to the documented risk of kernicterus.

Required Emergency Actions

Emergency medical attention is required upon any suspicion of overdose or if the cream is accidentally ingested; immediate contact with a poison control center is mandated in such cases. Management is described as primarily symptomatic and supportive. There is no specific antidote documented for Sulfadiazine Silver toxicity. In high-exposure scenarios, monitoring of renal function and serum concentrations is advised to address drug accumulation.

Therapeutic Uses of Silbecor

Silbecor: Primary Therapeutic Applications

Silbecor (also known as fenofibrate) is an approved medication used as an adjunct to diet to manage certain lipid disorders. Its primary applications are focused on correcting irregularities in blood lipid levels, specifically cholesterol and triglycerides, in adults.

The medication is utilized for:

  • Primary hypercholesterolemia or mixed dyslipidemia: It is prescribed to help reduce elevated levels of low-density lipoprotein cholesterol (LDL-C), total cholesterol, and triglycerides, and to promote an increase in high-density lipoprotein cholesterol (HDL-C).
  • Severe hypertriglyceridemia: It is also indicated for the management of significantly elevated triglyceride levels, which may help to lessen the potential risk of an inflamed pancreas (pancreatitis) caused by high triglycerides.

While Silbecor helps adjust lipid values, the clinical evidence has not demonstrated that this medication reduces the risk of cardiovascular events, such as heart attacks or strokes. Use of this product is typically part of a comprehensive management strategy that includes dietary modifications and regular exercise.

Eligibility and Restrictions for Use

Silbecor is primarily indicated for use in adult patients (18 years and older). The official eligibility profile strictly defines populations who are prohibited from using the medicine, and those for whom use is restricted or not recommended.

Absolute Contraindications

Use of the medicine is absolutely prohibited for individuals with several conditions, as documented in regulatory labels. These include:

  • Severe Renal Impairment or Active Liver Disease, such as those with biliary cirrhosis.
  • Pre-existing Gallbladder Disease.
  • A known Hypersensitivity to fenofibrate, or a history of photoallergic reactions to similar medications.
  • Women who are breastfeeding (lactation).

Restricted and Not Recommended Populations

The regulatory status of the drug dictates specific restrictions based on age and physiological status. Use is not established and not recommended for the pediatric population (under 18 years). For older adults, the medicine may be used, but close monitoring of kidney function is mandatory. While not absolutely prohibited, the medicine is generally not recommended for women during pregnancy due to a lack of complete safety data. Additionally, patients with moderate renal impairment or specific conditions like uncontrolled diabetes require conditional use and careful assessment.

What should I know about interactions with other medicines?

Interaction Map: Interactions with other medicines and products — official regulatory information for Silbecor


Interaction Scope

Property Documented Regulatory Information (Silver Sulfadiazine)
Medicinal product categories with documented interactions Topical Proteolytic Enzymes (Enzymatic Debriding Agents), H2-receptor antagonists.
Specific interacting medicines (if explicitly listed) Cimetidine.
Mechanistic basis of interactions (only if stated in label) Pharmacodynamic Inactivation (Chemical); Systemic Risk Augmentation (Metabolic).
Timing-based interaction rules (if applicable) Co-application of topical proteolytic enzymes requires consideration due to the documented inactivation risk.
Population-specific interaction notes (if applicable) Contraindicated in newborn/premature infants and pregnant women at term; risk of accumulation in impaired Hepatic or Renal Function.
Interaction-related restrictions Prohibited use in contraindicated populations; cautious use with systemic and topical interacting agents.

Interaction Classifications (High-Level)

Classification Documented Regulatory Status
Interaction severity classification Contraindicated (in specific populations); Use with Caution (with Cimetidine and topical enzymes).
Regulatory basis US FDA Label, European Summary of Product Characteristics (SmPC).
Interaction-context constraints Interactions are highly specific to chemical incompatibility or systemic risk.

Resulting Interaction Structure

Official interaction statements:

The silver component may inactivate certain topical proteolytic enzymes when co-administered to the injury site. This pharmacodynamic incompatibility is noted in the official prescribing information as a restriction on concomitant use.

A systemic drug-drug interaction is noted with Cimetidine, an H2-receptor antagonist, which may increase the officially documented risk of leukopenia in patients receiving co-administration.

The product is contraindicated in newborn infants (under two months) and pregnant women at term due to the sulfonamide component's intrinsic risk of inducing kernicterus. These are the most severe, population-specific prohibitions.

Furthermore, official labels indicate that accumulation of the absorbed sulfadiazine moiety may occur in patients with impaired renal or hepatic function due to decreased drug elimination, a systemic exposure concern.

Connection to the overall interaction profile:

Regulatory documentation establishes that the product's interaction profile is defined by two domains: a non-systemic, pharmacodynamic incompatibility with specific debriding agents and a systemic metabolic risk augmentation with Cimetidine. The most critical restrictions are population-specific contraindications tied to the sulfonamide component's risk, while widespread drug-drug or food/alcohol restrictions are not found in the official regulatory profile.

Mechanism of Action

The mechanism of Sulfadiazine Silver is defined by a localized, dual-component antimicrobial action exerted directly on the application surface. The process initiates with the controlled release of the highly reactive silver ion ( Ag^+) upon contact with wound moisture. This ion acts as a multi-target chemical agent, causing physical disruption of the bacterial cell wall and membrane structure, leading to destabilization. Intracellularly, the Ag^+ ion binds to thiol-containing enzymes of the respiratory chain and to bacterial DNA/RNA, causing widespread functional poisoning that halts energy production and genetic replication. This results in a rapid bactericidal effect, eliminating viable microorganisms.

The complementary sulfadiazine moiety provides a bacteriostatic effect by focusing on metabolic inhibition. It acts as a structural mimic of PABA, competitively inhibiting the enzyme dihydropteroate synthetase in the bacterial folic acid synthesis pathway. Blocking this crucial step limits the microbial production of necessary genetic precursors, inhibiting proliferation and thus constraining the population of microorganisms at the application site. The mechanism's effectiveness is constrained by the local chemical environment, as Ag^+ can bind to chloride anions in wound fluid, reducing its bioavailable concentration.

Dosage and Administration Information

Silbecor (Silver Sulfadiazine Cream, 1%) is administered exclusively via the topical route directly onto the affected skin areas. The cream is provided as a 1% strength formulation that is designed for external use only. The application technique and schedule are intended to ensure continuous contact with the injury.

The cream is typically applied once to twice daily. Application involves a layer of cream approximately 1/16 inch thick to fully coat the entire surface of the burn area.

The procedural protocol requires that the burn wounds first be cleansed and debrided before the initial administration. The cream is applied under sterile conditions. Crucially, the wound site must be kept continuously covered with the cream; therefore, reapplication is necessary immediately if the cream is removed, such as following hydrotherapy treatments.

The treatment course is maintained as an ongoing regimen until the burn demonstrates satisfactory healing or until the site is surgically prepared for grafting. Regarding specific populations, the cream is not recommended for use in premature infants or in infants younger than 2 months of age.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Silbecor (Fenofibrate)


Evidence on Modifying Lipid Profiles: Cholesterol and Triglycerides

Research exploring Silbecor (fenofibrate) for lipid management has focused primarily on short-term to intermediate Randomized Controlled Trials (RCTs). These studies were designed to measure changes in surrogate lipid biomarkers in adults diagnosed with elevated cholesterol, high triglycerides, or mixed dyslipidemia. The outcomes monitored included the levels of LDL-C, HDL-C, and triglycerides over defined time intervals.

Studies reported measurable shifts in these lipid biomarkers. Findings describe patterns observed in the studies where changes in the levels of LDL-C, triglycerides, and HDL-C were measured against baseline. These findings help contextualize how the agent is studied in relation to the physiological state over the study period, with the reported outcomes being biochemical in nature.


Studies on Hard Cardiovascular Outcomes

Dedicated, large-scale, long-term Randomized Controlled Trials (RCTs) were conducted over several years to explore the association between the use of fenofibrate and major clinical events. Researchers examined Major Adverse Cardiovascular Events (MACE), a composite outcome that included non-fatal heart attack, non-fatal stroke, and cardiovascular death, in high-risk adult populations.

Across the overall populations studied, reports did not describe a statistically significant difference in the primary composite MACE endpoint. The largest trials did not report definitive findings that adding fenofibrate to standard care changes the measurement of heart attacks or strokes in the general high-risk population. Findings that differed from the overall trial result were sometimes observed in pre-specified or post-hoc subgroups, which means certainty remains low for the broader population.


Research on Microvascular Complications in Diabetes

Research has explored the drug's use in the context of microvascular complications, primarily focusing on the progression of Diabetic Retinopathy (DR) in adults with Type 2 Diabetes. Reports from long-term trials described a difference in the rate of progression of diabetic retinopathy between the studied groups.

What remains uncertain is the precise biological processes by which these observed differences on the eye were reported, as research suggests the finding appears to be unrelated to the observed changes in cholesterol levels. The evidence is predominantly derived from secondary endpoints, and results apply only to the populations studied.


Key Limitations and Areas of Research Uncertainty

A significant limitation is the frequent reliance on surrogate markers (lipid levels) rather than direct, long-term clinical outcomes for the primary indication. Certainty remains low regarding hard cardiovascular outcomes because the major trials failed to meet their primary endpoints in the overall study population. The evidence quality varies across studies, and research is ongoing to clarify the full therapeutic profile of this medication.

Frequently Asked Questions (FAQ)

Common questions about Silbecor (FAQ)


Q: What are the listed severe skin reactions, such as Stevens-Johnson Syndrome, associated with Silbecor?

Official product information notes the potential for rare but very serious skin reactions due to the sulfonamide component of the cream. These include life-threatening conditions such as Stevens-Johnson syndrome (SJS) and Toxic Epidermal Necrolysis (TEN). These are documented risks associated with systemic exposure to sulfa-containing medicines.


Q: Is it possible for the active ingredient in Silbecor to be absorbed into the bloodstream?

Yes, the active ingredient, silver sulfadiazine, can be absorbed systemically (into the bloodstream), and the amount varies depending on how extensive the burn area is. When treating large areas, the levels of the sulfa component in the blood may approach those seen with oral sulfa medications, which is why monitoring may be advised.


Q: What happens if I accidentally forget to apply Silbecor for one of the scheduled applications?

Regulatory information emphasizes that the burn area must be kept continuously covered with the cream at all times to maintain treatment effectiveness. If the cream has been removed or an application is missed, reapplication is necessary to ensure continuous coverage, as stated in the administration guidelines.


Q: What should be done if the cream rubs off the wound before the next application time?

If the cream is removed from the wound surface due to movement, rubbing, or hydrotherapy (water treatments), reapplication is required immediately to ensure the wound remains continuously covered.


Q: Can Silbecor interfere with other topical medications applied to the skin, such as other wound treatments?

Regulatory documents state that the silver component of Silbecor may chemically inactivate certain topical proteolytic enzymes, which are medicines sometimes used to remove dead tissue from wounds. This incompatibility is noted as a restriction on using them at the same time.


Q: Does Silbecor have known interactions with non-prescription pain relievers like acetaminophen or ibuprofen?

Official regulatory labels document specific chemical and metabolic interactions with certain agents, such as topical enzymes and Cimetidine. However, no specific interactions with common over-the-counter pain relievers like acetaminophen or ibuprofen are listed in the official product information.


Q: What blood tests might be required for patients using Silbecor on large areas of the body?

For patients with extensive burn wounds, official precautions advise that monitoring of renal (kidney) function and blood levels of the sulfa component may be advisable. This monitoring helps manage the risk of systemic effects associated with absorption.


Q: What are the most common localized side effects, like pain or burning, after application?

Common effects that occur at the site of application include a temporary burning sensation, itching (pruritus), and the development of a rash. These are listed in the official adverse reactions documentation.


Q: Is it common for people to use Silbecor for minor cuts and scrapes not caused by burns?

The drug is officially indicated as an adjunct therapy for the prevention and treatment of wound infection in patients with specific second- and third-degree burns. Use for minor cuts and scrapes that are not burns is outside of the medicine's official indication.


Q: Can Silbecor be used on first-degree burns or sunburns?

The official product indication specifies use for second- and third-degree burns. The regulatory label does not include first-degree burns or sunburns as part of its approved uses.


Q: Does Silbecor help the skin heal, or does it only prevent infection?

The primary role of the cream is to prevent and treat wound infection (sepsis) by controlling microbial growth. By doing so, the official label reports that the reduction in bacterial load is associated with permitting the spontaneous healing of deep partial-thickness burns by preventing conversion to full thickness due to sepsis.


Q: Is Silbecor cream the same medication as Silvadene or SSD cream?

Silbecor is a specific brand name for the active ingredient silver sulfadiazine 1% cream. This compound, often abbreviated as SSD, is the same active agent found in other brand name products such as Silvadene.


Q: Can Silbecor be safely left on the skin for more than 24 hours?

The standard regimen instructed by official guidelines is for application once to twice daily. The main procedural requirement is to ensure the wound site remains continuously covered with a layer of the cream, aligning with the defined application frequency.


Q: What should be done if the Silbecor cream accidentally gets into my eye?

Official precautions emphasize that the product is intended exclusively for topical (skin) use, and contact with the eye must be avoided.


Q: Does the environment or temperature affect how Silbecor should be stored?

Yes, official regulatory documents provide specific storage requirements. The cream should be stored at controlled room temperature, typically between 20° C and 25° C (68° F and 77° F). Keeping the product from freezing is also listed as critical.


Q: What is G6PD deficiency and why is it listed as a concern for Silbecor use?

G6PD deficiency is a genetic condition that may pose a hazard when using the cream. Official warnings indicate that in G6PD-deficient individuals, use of the cream may result in hemolysis, which is the destruction of red blood cells.


Q: Does long-term or extensive use of Silbecor increase the risk of side effects?

Systemic absorption and the risk of related side effects are greater when the cream is applied to extensive burn wounds. Furthermore, official adverse reactions documentation notes that skin discoloration (argyria) has been specifically observed with prolonged use.


Q: What are the signs of a severe allergic reaction to Silbecor cream?

Official warnings indicate that allergic reactions related to the sulfonamide component are possible. There is also a documented risk of cross-sensitivity, meaning individuals allergic to one sulfonamide may also react to silver sulfadiazine.


Q: Is skin discoloration (argyria) a possibility with prolonged or repeated Silbecor use?

Yes, official adverse reaction data lists skin discoloration, known as argyria, as a rare to very rare possibility. This discoloration has been observed in patients who have used the cream for prolonged periods.


Q: Can I use Silbecor at the same time as an enzymatic debriding agent like collagenase?

Regulatory documents advise caution when using the cream with topical proteolytic enzymes such as collagenase. The possibility is noted that the silver in the cream may chemically inactivate or reduce the effectiveness of these enzymes.


Q: Is there a concern about using Silbecor if I also take a blood-thinning medication?

The regulatory label warns of potential severe blood disorders, known as blood dyscrasias, associated with sulfonamide use. While an explicit interaction with systemic blood thinners is not listed, the potential for blood-related risks is documented.


Q: Does the effectiveness of Silbecor change based on the depth or size of the burn?

The cream is indicated for second- and third-degree burns. Regulatory warnings confirm that the extent of absorption, and thus the potential for systemic side effects, varies depending on the size of the body surface area and the amount of tissue damage being treated.


Q: What happens if I stop using Silbecor before the prescribed length of time?

Treatment is intended to continue until the burn wound shows satisfactory healing or is prepared for skin grafting. The official label does not specify the consequences of discontinuing treatment early, but the overall instruction is to continue until the wound is healed.


Q: Is it necessary to wear sterile gloves when applying the cream?

Yes, official procedural protocols require that the cream be applied under sterile conditions. This standard must be maintained during application to prevent the introduction of new contaminants to the wound site.


Q: Is Silbecor a safe option for use during pregnancy?

Official information explicitly contraindicates the use of the medicine in pregnant women approaching or at term (late pregnancy). During other stages, the drug is classified as Pregnancy Category B, meaning its use should be reserved for situations where the potential benefit is considered to clearly outweigh the potential risk, based on clinical assessment.

How should Silbecor be stored and disposed of?

How to Store and Dispose of Silbecor?

The proper storage and disposal of Silbecor are essential to maintain its stability and ensure safety.

Storage Requirements

  • Store this medicine in its closed container at room temperature.
  • Keep Silbecor away from sources of heat, moisture, and direct light.
  • It is critical to keep the medication from freezing.
  • Always store Silbecor out of the reach of children.

Disposal Instructions

  • Do not keep outdated medicine or medicine no longer needed.
  • To dispose of any unused medicine, ask a healthcare professional how to proceed, which typically involves a drug take-back program or disposing of the medicine in the household trash (mixed with an unappealing substance and placed in a sealed container).
  • Do not flush Silbecor down the toilet unless specifically instructed to do so by a drug information guide.

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

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