Mycil

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Mycil

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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 Mycil

Property Description
Active Ingredients Tolnaftate, Chlorhexidine Gluconate, Benzalkonium compounds
Form Cutaneous Powder, Cream, Ointment, Topical Solution
Pharmacological Class Antifungal and Antiseptic Combination Product
Origin Synthetic Drug Entity

Mycil is a topical combination product formulated as a synthetic medicinal entity that functions as an Antifungal and Antiseptic Combination Product. This classification reflects its design to exert a multifaceted effect on the skin's surface, a quality that has been clinically recognized for managing mixed microbial colonization.


Definition and Pharmacological Classification

Mycil is intended exclusively for the topical application route and is supplied in various dosage forms including Cutaneous Powder, Cream, Ointment, and Topical Solution. This range of forms is a differentiating factor, allowing selection of the optimal preparation for different skin types or affected body regions.

The combination of its active agents provides broad coverage against dermatophytes and associated bacteria. Tolnaftate effectively inhibits the growth of organisms responsible for common superficial skin infections, such as those causing tinea (ringworm). The medication works by stopping the infection from spreading and worsening.


Active Ingredients and Purpose

The core activity of Mycil is derived from its three principal synthetic components: Tolnaftate, the primary antifungal agent, and the two antiseptics, Chlorhexidine Gluconate and a Benzalkonium compound. The inclusion of the antiseptic agents is a key compositional feature.

Quaternary ammonium compounds, like Benzalkonium, possess rapid, broad-spectrum biocidal activity against both bacteria and fungi. This means the medicine helps sanitize the treated area, reducing the risk of complications from bacteria that can coexist with fungal infections. The overall purpose of this formulation is to offer a comprehensive, localized control of infectious agents on the skin's surface.

What side effects are possible with Mycil?

Possible Side Effects and Safety Information

The official safety profile for Mycil, a topical combination product, defines adverse reactions in two primary tiers based on frequency and severity, derived from regulatory documents for its active ingredients.


Adverse Reaction Classification

Common local reactions are classified within Skin and Subcutaneous Tissue Disorders and are the most frequently documented adverse effects. These include non-serious phenomena such as localized redness (erythema), mild itching (pruritus), skin irritation, and dryness or peeling (desquamation) at the application site. Temporary stinging or burning sensations may also occur.

Rare but serious reactions are documented under Immune System Disorders.

  • Serious Adverse Reactions: The most clinically significant documented risk involves the antiseptic component, Chlorhexidine Gluconate, which is associated with rare cases of severe allergic reactions (hypersensitivity), including the potential for anaphylaxis and anaphylactic shock. These reactions may involve symptoms affecting the respiratory system, such as wheezing or difficulty breathing.

Regulatory Safety Constraints

The medicine’s official label specifies safety limitations and restrictions.

Contraindication: Use is formally prohibited in individuals with a known allergy or hypersensitivity to any of the product’s components.

Population Constraint: Specific safety warnings are documented for the pediatric population, notably premature infants and infants under 2 months of age, due to the documented risk of irritation or chemical burns associated with the antiseptic component.

Exposure Restriction: There is an explicit regulatory warning to avoid contact with the eyes, ears, and mouth due to the potential for serious injury. Additionally, use on open skin wounds or large areas of broken skin is restricted due to the increased risk of systemic absorption.

Overdose and Emergency Response

Mycil Overdose and When to Seek Help

The official regulatory profile for this topical product addresses two primary risks of severe exposure tied to its antiseptic components. Overdose scenarios generally involve either the onset of a life-threatening systemic reaction or accidental ingestion of the product.

Feature Official Regulatory Statement
Documented Manifestations Manifestations of anaphylaxis, including wheezing, difficulty breathing, swelling of the face, or severe rash. Accidental ingestion may lead to corrosive injury in the gastrointestinal tract.
Severe Outcomes Potential for anaphylaxis and resultant shock or hypotension. Ingestion carries a risk of respiratory compromise (e.g., glottic edema).
Emergency Actions Required Stop using the product immediately if severe allergic signs occur. If symptoms progress or if the product is swallowed, seek immediate medical attention or contact a Poison Control Center right away.
Population Notes Official warnings exist regarding the risk of localized chemical burns when the product is used with care on premature infants or infants under 2 months of age.

The regulatory guidance mandates that immediate medical assistance be sought if symptoms of a severe allergic reaction develop or if accidental swallowing occurs. Management of systemic overdose from the antiseptic ingredients requires prompt intervention, including provision of supportive care for life-threatening outcomes like shock or hypotension. Hospitalization and continuous observation may be required to monitor and manage severe corrosive injury or acute respiratory compromise, ensuring the integrity of the patient's physiological systems.

Therapeutic Uses of Mycil

Mycil is an Antifungal and Antiseptic Combination Product that is commonly used across conditions presenting with acute episodes of superficial skin infections. It provides supportive relief and may assist with maintaining functional stability when symptoms that interfere with daily functioning become noticeable.

The main antifungal component is associated with the management of the fungi that cause common skin infections and may assist in easing the burning or itching associated with the condition.


Managing Tinea Infections and Symptomatic Distress

Mycil is applied across domains where additional symptomatic support is needed for superficial fungal infections, such as Athlete's Foot (Tinea Pedis), Jock Itch (Tinea Cruris), and Ringworm (Tinea Corporis). It is used for managing symptom clusters that may become intense or disruptive, including symptoms related to inflammatory or irritative states like intense itching, burning, redness, and peeling. By addressing these symptoms, the medication contributes to improved comfort during periods of heightened symptoms and helps ease the overall symptom load.

“This therapy is commonly used to assist in managing the challenging discomfort that accompanies active fungal skin infections.”

Quick Fact: Symptomatic Support for Itching and Burning

Controlling Mixed Microbial Colonization

The product is applicable within clinical settings that involve acute or disruptive symptom patterns where a fungal infection has compromised the skin surface. Mycil is used in areas where short-term symptom management is appropriate to address the risk of secondary bacterial colonization associated with the risk of secondary microbial colonization in moist skin folds. It supports patients during episodes of heightened discomfort and may assist with maintaining functional stability by providing supportive relief and addressing groups of symptoms that create noticeable physiological strain. The combination is helpful in situations requiring additional symptomatic assistance for these mixed colonization scenarios.

Regulatory References

  1. NIH MedlinePlus overview on Tolnaftate

Eligibility and Restrictions for Use

Who Can and Cannot Use Mycil?

The population eligibility for Mycil, an antifungal and antiseptic combination product, is strictly defined by regulatory documents based on age, hypersensitivity, and application site, reflecting the official guidance for its active ingredients (Tolnaftate, Chlorhexidine Gluconate, and Benzalkonium compounds).


Contraindications and Restrictions

Category Regulatory Status
Hypersensitivity Contraindicated in individuals with a known allergy to any component .
Pediatric Use Not established and not recommended in children under 2 years of age. Use is permitted in adults and children 2 years and older.
Application Site Contraindicated for use in the eyes, ears, or mucous membranes. Not recommended for deep puncture wounds or severe burns.
Pregnancy/Lactation Safety is not established for use during pregnancy. Use during lactation is approached with caution, typically with advice to avoid breast application.

The eligibility profile establishes absolute non-eligibility based on ingredient sensitivity and minimum age limits. Mycil is restricted entirely to topical, cutaneous application and is not subject to specific restrictions based on systemic conditions like renal or hepatic impairment due to minimal systemic absorption.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Mycil is a topical combination product containing the antifungal Tolnaftate and the antiseptics Chlorhexidine Gluconate and a Benzalkonium compound. Due to its non-systemic, topical route of administration, the medicine has minimal to no documented interactions related to systemic metabolism (e.g., CYP450 enzyme pathways) or drug transporters, according to official regulatory data.


Documented Pharmacodynamic Incompatibilities

The most significant documented interactions involve local chemical antagonism and incompatibilities at the application site.

  • Anionic Agents and Soaps: Regulatory documentation notes that the product's cationic antiseptic components are inactivated or precipitated by soaps, anionic detergents, and anionic surfactants. This documented pharmacodynamic incompatibility requires separation, meaning the application area must be thoroughly rinsed and dried after using such agents and before Mycil application.

  • Specific Topical Products: Interactions are also documented with certain specialized medicinal products. The Benzalkonium component is noted to interact with agents such as hyaluronan and related viscous polymers. The Chlorhexidine component is also listed in regulatory formularies as interacting with highly specialized topical cell therapies.


Formal Regulatory Restriction

Use of Mycil is formally contraindicated in any individual with a documented history of hypersensitivity or severe allergic reaction to Tolnaftate, Chlorhexidine Gluconate, the Benzalkonium compound, or any other ingredient in the formulation.

Mechanism of Action

How Mycil Works

The mechanism of action for Mycil (Tolciclate) involves disrupting the structure and function of the fungal cell membrane, a fundamental element of fungal structure.


Targeted Inhibition of Fungal Enzyme Systems

Mycil primarily acts as a highly specific inhibitor within the fungal cell's sterol biosynthesis pathway. It achieves this by binding to and inactivating the enzyme lanosterol 14alpha-demethylase—a key biological target. This molecular action suppresses a metabolic step, preventing the fungus from producing its necessary structural sterol, ergosterol.


Membrane Dysregulation and Cell Integrity

The inhibition results in a dual mechanistic cascade: a critical depletion of ergosterol and the accumulation of toxic intermediate methylated sterols within the cell membrane. This profound alteration in membrane composition and fluidity leads to a breakdown of the cell's protective barrier, causing increased permeability and structural failure. This targeted pathway interference ultimately alters the regulatory state within the fungal growth cycle by leading to predictable physiological adjustments that result in the inhibition of cellular proliferation.

Dosage and Administration Information

Administration Scope

Property Description
Route of administration Topical (Application exclusively to the skin surface). For external use only.
Dosing schedule Application of a thin layer sufficient to cover the entire affected skin area and a border of the surrounding skin.
Preparation requirements (if applicable) The affected area must be cleaned with soap and warm water and dried thoroughly before each application.
Age-group administration rules Children under two (2) years of age: Use is not recommended unless specifically directed by a healthcare professional.
Special procedural conditions For Tinea Pedis (Athlete's Foot), apply to the spaces between the toes. Avoid inhalation of powdered forms.

Instruction Classifications (High-Level)

Classification Description
Administration method type Topical (Non-systemic, localized skin application).
Frequency pattern Typically Twice Daily (BID), once in the morning and once in the evening, used continuously for the full duration.
Use-context constraints Course Duration: Must be used daily for the prescribed period, typically four (4) weeks.

Resulting Procedural Structure

Official step sequence:

  • Clean the intended application area with soap and warm water, then dry the skin completely.
  • Apply a thin layer of the product to the affected area and the surrounding skin border.
  • Gently rub the product into the skin.

Connection to the overall use protocol (2–4 sentences): The administration protocol follows a structured process for use, defining the topical route, the necessity for clean skin preparation, the twice-daily application frequency, and the full four-week duration. This standardized approach is designed to maintain consistency throughout the application period.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Mycil

Evidence for Superficial Fungal Infections (Dermatophytosis)

Research has primarily focused on the clinical evaluation of the main antifungal component, Tolnaftate, through Randomized Controlled Trials (RCTs) and Systematic Reviews. These studies examined outcomes related to the clearance of the fungi responsible for common skin infections like athlete's foot. Findings describe patterns observed in the studies related to outcomes for these infections, often relying on historical data, as evidence for this specific triple-active combination may not have been compared directly against all relevant comparator agents.

Evidence for Managing Acute Symptoms and Discomfort

Studies were conducted during periods of increased symptom activity, examining the combination product’s potential role in addressing acute, disruptive symptoms. These Comparative RCTs focused on outcomes related to physical discomfort like itching and burning, monitoring how patients reported their experience using specific measurement tools. Studies reported how quickly patients experienced initial relief and monitored the evolution of symptoms linked to inflammatory or irritative states.

Evidence Gaps and Uncertainty

Research has examined the activity of the antiseptic components, Chlorhexidine and a Benzalkonium compound, through laboratory (in vitro) studies and smaller Comparative Clinical Trials, focusing on changes in localized bacterial load. However, research exploring long-term outcomes on the actual incidence of secondary bacterial infection remains limited.

Long-term effects are not fully established for this specific combination product. Follow-up durations were typically short-term, meaning the evidence is primarily focused on short-term observation intervals. Data for certain groups remain insufficient, and specific information regarding the results and experience of the entire combination in older adults or individuals with underlying conditions is not widely available. Key limitations include the fact that comparative evidence is often lacking against newer agents.

Key Studies & References Tolnaftate (MedlinePlus Overview on Tinea Management)

Frequently Asked Questions (FAQ)

Common questions about Mycil (FAQ)

Q: What is Mycil used for?

A: Mycil is used to treat skin infections caused by a group of fungi called dermatophytes, yeasts, and other fungi. It is typically used for conditions such as:

  • Athlete's foot (Tinea pedis)
  • Ringworm (Tinea corporis)
  • Jock itch (Tinea cruris)
  • Pityriasis versicolor (Tinea versicolor)
  • Thrush (candidiasis), including in the genital area

It works by stopping the growth of the fungus causing the infection.


Q: How should I apply Mycil?

A: You should always follow the specific instructions provided by your pharmacist or doctor. Generally, for skin infections, Mycil is applied sparingly to the affected area and the surrounding skin 2-3 times a day.

  1. Clean and dry the affected area thoroughly before application.
  2. Rub in the cream or solution gently until it disappears.
  3. Wash your hands after application, unless your hands are the area being treated.

Consistency is key; you should continue the treatment for the full duration recommended, even if symptoms improve quickly.


Q: How long does it take for Mycil to work?

A: The length of time before you see improvement can vary depending on the type and severity of the infection.

  • For most common fungal skin infections, an improvement is often noticed within 1 to 2 weeks of starting treatment.
  • It may take up to 4 weeks for some deeper or more severe infections to fully clear.

If you do not see any improvement after 4 weeks, you should consult with a healthcare professional.


Q: Can I use Mycil if I am pregnant or breastfeeding?

A: If you are pregnant, think you may be pregnant, or are planning to have a baby, you should consult your doctor or pharmacist before using Mycil. While it is generally considered safe for topical use during pregnancy, it is best to seek professional advice.

For breastfeeding mothers, a healthcare professional should also be consulted. While only small amounts are typically absorbed into the bloodstream, it is not known if Mycil passes into breast milk. If you use it while breastfeeding, you should avoid applying it to the breast area to prevent accidental ingestion by the baby.


Q: What are the common side effects of Mycil?

A: As with all medicines, some people may experience side effects, though they are usually mild and temporary.

The most common side effects are local reactions at the application site, which may include:

  • A burning sensation or stinging immediately after application
  • Redness or irritation
  • Itching

These effects usually lessen as treatment continues. If you experience severe blistering, peeling, or a rash that spreads, you should stop using the product and seek medical advice, as this may be a sign of an allergic reaction.

How should Mycil be stored and disposed of?

Storage and Disposal Requirements for Mycil

The storage and disposal of Mycil (Tolnaftate topical combination product) must adhere strictly to official regulatory guidelines to maintain its stability and ensure public safety.


Storage Profile

Condition Requirement
Temperature Store at controlled room temperature, typically 15 C to 30 C left(59 F to 86 F
ight).
Protection Keep the product in a dry place, away from light and excessive heat. Do not freeze.
Container Keep the medicine in its original container and maintain the container tightly closed.
Child Safety Keep out of the reach of children.

Disposal Instructions

Expired or unused Mycil must be discarded safely. Regulatory guidance recommends using an official drug take-back program or following the FDA-approved procedure for household disposal, which involves mixing the product with an undesirable substance before placing it in the trash. The medication must not be flushed down the toilet or poured into wastewater.

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

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