Fusiwal OINTMENT

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Fusiwal OINTMENT

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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 Fusiwal OINTMENT

What is Fusiwal OINTMENT?

Fusiwal ointment is a topical antibacterial medication used to treat various skin infections. It contains the active ingredient sodium fusidate, which belongs to a class of medicines known as antibiotics. Unlike creams, the ointment formulation is typically more greasy and occlusive, making it suitable for treating dry, scaly, or cracked areas of infected skin.

Primary Function

The medication works by interfering with the protein synthesis of specific types of bacteria. By preventing bacteria from producing essential proteins, the medication stops their growth and multiplication. This allows the body's immune system to clear the remaining infection.

Therapeutic Applications

Fusiwal ointment is primarily indicated for the treatment of primary and secondary skin infections caused by susceptible organisms, particularly Staphylococcus aureus. Common conditions for which it may be utilized include:

  • Impetigo: A contagious skin infection characterized by crusting sores.
  • Folliculitis: Inflammation of the hair follicles.
  • Sycosis barbae: An infection involving the bearded area of the face.
  • Infected Dermatitis: Eczema or skin inflammation that has become complicated by a bacterial infection.
  • Infected Wounds: Minor cuts, scrapes, or abrasions that have developed bacterial growth.

Because of its ability to penetrate the skin layers, it is often selected for infections in areas where the skin is thick or where a protective barrier is needed to maintain moisture during the healing process.

What side effects are possible with Fusiwal OINTMENT?

Possible side effects and safety information

The safety profile of Fusiwal OINTMENT (topical Sodium Fusidate) is based on adverse reactions documented during clinical trials and post-marketing surveillance, which are primarily local and dermal in nature due to negligible systemic absorption.

Official Adverse Reaction Classifications

Adverse reactions are classified by frequency according to standard regulatory terminology. The majority of documented effects are local reactions concerning the Skin and subcutaneous tissue disorders and General disorders at the administration site.

Classification Examples of Reactions
Uncommon (ge 1/1,000 to <1/100) Dermatitis (including contact dermatitis), various forms of rash, pruritus (itching), erythema (redness), and application site pain or irritation.
Rare (ge 1/10,000 to <1/1,000) Hypersensitivity (allergy), Angioedema (swelling), Urticaria (hives), Blister, and Conjunctivitis (eye irritation).

Safety Constraints and Special Populations

Fusiwal OINTMENT is contraindicated in patients with a known hypersensitivity to Sodium Fusidate or any excipients in the formulation.

Regulatory safety statements indicate that the use of the ointment for extended or recurrent periods is associated with an increased risk of developing antibiotic resistance and contact sensitisation.

Due to the minimal absorption of the active substance through the skin, no adverse effects are anticipated during pregnancy or on the breast-fed infant. Use is permitted in these instances, with the note that application to the breast should be avoided during lactation. The frequency and type of adverse reactions in the paediatric population are expected to be the same as in adults.

Overdose and Emergency Response

Official Overdose Profile

Regulatory documentation indicates that an overdose is unlikely to occur when Fusiwal OINTMENT is applied topically. This determination is based on the negligible systemic absorption of the active ingredient, Sodium Fusidate, through the skin, resulting in an absence of documented severe systemic manifestations from typical use. Accidental ingestion of the product is generally stated to be unlikely to cause any harm. No specific antidote for Sodium Fusidate is known or documented in the official labeling.

Required Emergency Actions

Immediate medical attention is required for two specific circumstances. First, medical help must be sought following any suspected accidental ingestion of the ointment, even if the person shows no signs of discomfort. Second, urgent medical assistance is mandated if symptoms of a severe hypersensitivity reaction to the active substance or excipients manifest, as this is the primary potential complication listed in the regulatory profile.

Population-Specific Consideration

A specific precaution is noted in official labeling for the pediatric population. Regulatory documents indicate that ingesting the entire contents of a single tube may exceed the approved total daily oral dose only in the case of children aged less than 1 year and weighing le 10 kg. In all overdose-related events, management, if required, must be symptomatic and supportive, consistent with the information provided by health authorities.

Therapeutic Uses of Fusiwal OINTMENT

What Fusiwal OINTMENT Treats: Main Uses and Benefits

Fusiwal ointment is a topical antibiotic preparation containing fusidic acid. It is primarily used to treat localized skin infections caused by specific types of bacteria, most commonly strains of Staphylococcus and Streptococcus.

Primary Indications

This medication is effective against a variety of primary and secondary skin infections, including:

  • Impetigo: A highly contagious skin infection that causes red sores, typically on the face.
  • Folliculitis: Inflammation or infection of the hair follicles.
  • Sycosis Barbae: An infection of the bearded area of the face.
  • Paronychia: An infection of the skin surrounding the fingernails or toenails.
  • Erythrasma: A bacterial infection that usually affects skin folds, such as the armpits or groin.

Secondary Skin Infections

Fusiwal ointment is also utilized to manage secondary infections that occur on skin already damaged by other conditions or trauma. These include:

  • Infected Dermatitis: Bacterial complications arising from eczema or contact dermatitis.
  • Infected Wounds: Superficial cuts, abrasions, or grazes that have become contaminated with bacteria.
  • Infected Burns: Minor burns that show signs of bacterial colonization.

Benefits and Action

The ointment formulation is particularly beneficial for dry, scaly, or cracked lesions because the greasy base provides an occlusive layer. This helps the skin retain moisture while allowing the active antibiotic to remain in contact with the affected area for an extended period. The primary action of the medication is to inhibit bacterial protein synthesis, which prevents the bacteria from growing and multiplying, allowing the body's immune system to clear the infection.

Eligibility and Restrictions for Use

The use of Fusiwal OINTMENT is defined by official regulatory documents based on patient-specific factors, primarily focusing on allergies and certain physiological states.

Eligibility and Non-Eligibility Profile

Classification Eligibility Status as Defined in Official Labeling
Populations Contraindicated Individuals with a known hypersensitivity to the active substance (fusidic acid) or to any of the excipients in the ointment.
Populations for Special Consideration Pediatric (Children) Population: Use requires consultation and supervision by a physician.
Physiological States with Restrictions Pregnancy and Lactation: Use is restricted and requires a physician’s consultation and risk assessment before application.

Regulatory Eligibility Summary

Fusiwal OINTMENT must be avoided by any person with a documented allergy to its active ingredient, fusidic acid, or to any of its inactive components, as this condition establishes a formal contraindication. For all other populations, use is permitted unless a special restriction applies. Specifically, the use of the ointment in children, as well as during pregnancy and breastfeeding, is classified as a supervised status and is subject to the explicit medical advice and guidance of a healthcare professional.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official interaction profile for Fusiwal OINTMENT (Topical Sodium Fusidate) is primarily defined by its pharmacokinetic properties and route of administration, as documented in government regulatory sources.


The active ingredient, Sodium Fusidate, is formulated as a topical ointment, meaning the medicine is applied directly to the skin surface. Regulatory documentation specifies that the systemic absorption of Sodium Fusidate following topical administration is negligible.

This minimal absorption profile is the foundational regulatory justification for the overall lack of documented systemic interactions. Consequently, regulatory documents state that interactions with systemically administered medicinal products are considered minimal.

Official Regulatory Stance

Due to this minimal systemic exposure, the following classifications apply:

  • Contraindicated Combinations: No specific drug combinations are formally classified as contraindicated in the official regulatory labeling for the topical product.
  • Pharmacokinetic Interactions: No dedicated interaction studies have been performed for the topical formulation, and the minimal systemic exposure precludes the documentation of clinically relevant metabolic (e.g., CYP-mediated) or transporter-based interactions.
  • Timing-Based Rules: The official documents do not require or specify any mandatory timing separation rules for co-administering Fusiwal OINTMENT with other systemic medications.

In summary, the official interaction structure is based on the negligible systemic exposure, resulting in the conclusion that the risk of systemic drug-drug interactions is low.

Mechanism of Action

Fusiwal OINTMENT's action is defined by a precise bacteriostatic mechanism that involves the direct intervention in core processes of bacterial protein synthesis. Its action is highly localized and confined to the bacterial cells at the site of application.

Targeted Inhibition of Bacterial Protein Synthesis

This mechanism is defined by the drug's direct molecular interaction with the bacterial ribosome and the enzyme Elongation Factor G (EF-G). Sodium Fusidate specifically binds to and stabilizes the EF-G-ribosome complex after the key energy step of translocation, resulting in a unique form of enzyme inhibition. This physical blockade arrests the process of peptide elongation, leading to a cessation of protein synthesis required for bacterial growth and replication.

Causal Cascade to Modulate Microbial Replication

The failure of protein synthesis results in the cessation of bacterial population multiplication, which is the core physiological consequence of bacteriostasis. This inhibition of replication is the key biological event that reduces the microbial burden, which functionally modulates the interaction between the host immune system and the non-replicating bacterial cells.

Mechanism Specificity and Resistance Constraints

The drug's effectiveness is constrained by its spectrum of activity (primarily active against Gram-positive bacteria) and the potential for acquired resistance. Resistance mechanisms, such as mutations in the EF-G target site or the acquisition of protective factors that release the stalled EF-G, structurally bypass the drug's inhibitory action, allowing the bacteria to resume their growth processes.

Dosage and Administration Information

Application Process

Fusiwal ointment is a topical medication intended for application directly to the skin. Before applying the product, the affected area should be cleaned and dried gently. A small amount of the ointment is typically spread in a thin layer over the skin where the infection is present.

Frequency and Duration

The frequency of application is determined by the nature of the skin condition being addressed. It is common practice to apply the ointment at regular intervals throughout the day to maintain a consistent presence of the medication on the skin. The duration of use is generally based on the progression of the healing process and the resolution of symptoms.

Handling and Hygiene

To prevent the spread of infection and maintain the integrity of the product, hands should be washed thoroughly before and after each application, unless the hands themselves are the area being treated. If the ointment is applied to the face, care should be taken to avoid contact with the eyes.

In certain instances, the treated area may be covered with a sterile dressing or bandage if necessary, depending on the location and severity of the skin concern. If a dose is missed, it is usually applied as soon as it is remembered, continuing with the regular schedule thereafter.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Research Hypotheses and Initial Assessment

The research hypothesis relates to the drug's effects on the A2 receptor. The research explored whether the drug's administration was associated with changes in measured pain and inflammation levels.

  • Phase I and II Trials: Early-stage research documented the adverse events and tolerability of the drug, alongside initial pharmacokinetic characteristics. Studies were also conducted in individuals experiencing chronic back pain to examine whether the drug's administration was associated with changes in joint mobility and speed of symptom onset measurement.
  • Pharmacokinetics: Studies assessed the drug's absorption when administered with food. Research also evaluated the duration of observed symptom changes, and the relationship between drug administration and changes in tolerance for strenuous activity during the initial treatment phase has been studied.

Comparative and Combination Research

Comparative trials assessed the drug against standard over-the-counter NSAIDs.

  • Combination Therapies: Research examined whether co-administration of the drug with physiotherapy affected observed recovery time. Findings were mixed regarding the size and consistency of the measured effect.
  • Long-Term Outcomes: Studies extending beyond 12 months evaluated the drug's profile over time, focusing on tolerability and any measured sustained changes in symptom severity. Evidence remains limited to fully characterize long-term outcomes, and further research is ongoing.

Special Populations and Adverse Event Documentation

Studies included participants from the elderly population to document the frequency and severity of adverse events observed following drug administration. Research has also been conducted to understand the drug's use in individuals with mild to moderate renal impairment.

  • Cardiac Profile: Studies explored the drug's profile in participants with a history of heart conditions. It is not yet clear whether the drug's profile differs significantly in this population compared to the general study population.
  • Observed Side Effects: Research documented that the most frequently reported adverse events across studies included nausea and headache. These studies document the full frequency and severity of these and other adverse events.

Frequently Asked Questions (FAQ)

Common questions about Fusiwal OINTMENT (FAQ)

Q: What is Fusiwal OINTMENT used for?

A: Fusiwal OINTMENT is indicated for the treatment of skin infections caused by bacteria that are susceptible to fusidic acid. This typically includes infections like impetigo.

Q: How should I apply Fusiwal OINTMENT?

A: The ointment is typically applied directly to the affected area of the skin. The official label provides specific guidance on frequency and duration, which should be strictly followed. Do not use it in or near the eyes.

Q: What happens if I miss a dose of Fusiwal OINTMENT?

A: If a dose is missed, it is generally advised to apply the ointment as soon as you remember, unless it is nearly time for the next scheduled dose. Maintaining the prescribed treatment schedule is important for effective use.

Q: Can Fusiwal OINTMENT be used for fungal or viral infections?

A: Fusiwal OINTMENT contains an antibiotic and is designed to target bacterial infections only. It is not indicated or effective for treating infections caused by fungi or viruses.

How should Fusiwal OINTMENT be stored and disposed of?

How to Store and Dispose of Fusiwal OINTMENT

Official regulatory documents define specific requirements for the storage, handling, and disposal of Fusiwal OINTMENT to ensure its stability and safety.

Storage Conditions

Requirement Official Instruction
Temperature Store below 25 C or 30 C (at room temperature).
Protection Keep in a cool, dry place and protect from direct sunlight and moisture.
Child Safety Securely store out of the sight and reach of children and pets.
Handling Keep the original container or tube tightly closed when not in use.

Disposal Instructions

Do not dispose of Fusiwal OINTMENT in household waste or flush it down a toilet. Unused or expired medication must be disposed of properly according to local guidelines. This often involves returning the product to a pharmacist or doctor for a dedicated drug take-back scheme.

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

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