Микодерил

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Микодерил

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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 Микодерил

Quick Facts: Identity of Микодерил

Property Description
Active ingredient Naftifine Hydrochloride
Form Topical Solution, Topical Cream, Topical Spray
Pharmacological class Allylamine Antifungal Agent
Common use Resolution of fungal infections of the skin and nails
Origin Synthetic derivative

What is Микодерил: Classification and Purpose

Микодерил is a synthetic antifungal agent intended for topical application directly to the skin and its appendages. It is definitively classified as an Allylamine antifungal. This classification means the medicine acts with a specific mechanism, which has been widely clinically recognized for its effectiveness against the fungal cell structure. The primary purpose of the medication is to address the underlying cause of fungal infections by possessing a potent, direct effect against common organisms like dermatophytes and molds. Naftifine is an established option against infections caused by Tinea species, such as athlete's foot or ringworm.


Composition and Available Forms

The therapeutic effect of Микодерил is derived entirely from its single active ingredient, Naftifine Hydrochloride. This substance is a synthetic derivative provided for topical administration in several distinct dosage forms, typically including a Topical Solution, a Topical Cream, and a Topical Spray. The difference between these forms lies in their base/vehicle: the solution and spray often rely on an aqueous-alcoholic base, which is considered advantageous for penetrating hard-to-reach areas, while the cream utilizes an emulsified base better suited for broad skin lesions. This variety in presentation is engineered to ensure optimal coverage and penetration of the Naftifine Hydrochloride into the affected skin or nail layers.

Regulatory References

  1. dermatophytes

What side effects are possible with Микодерил?

Possible Side Effects and Safety Information

The official safety profile for Naftifine Hydrochloride (the active ingredient in Микодерил) is characterized by effects predominantly limited to the site of application, consistent with its formulation as a topical antifungal agent. The safety information is based on clinical trials and postmarketing data documented by regulatory authorities.

Adverse Reactions by Frequency and System

The most frequent adverse reactions are classified as Localized Application Site Reactions (Skin and Subcutaneous Tissue Disorders). In clinical trials, the reported incidence for burning/stinging was up to 5.0%, with pruritus (itching) listed as a common reaction (ge 1%). Less common local effects observed include erythema (redness), rash, and skin tenderness.

Postmarketing surveillance has identified reports of systemic reactions, including effects on the Nervous System (e.g., headache, dizziness) and the Blood and Lymphatic System (e.g., leukopenia, agranulocytosis). The frequency of these systemic events cannot be reliably estimated due to the voluntary nature of reporting.

Safety Constraints and Special Populations

The medicine is officially contraindicated in individuals with a known hypersensitivity to Naftifine Hydrochloride or any component of the specific formulation. A high-level safety constraint requires that the product is for external use only, and treatment must be discontinued if irritation or sensitivity develops at the application site.

Regarding specific populations, use during pregnancy is warranted only if clearly needed, and caution is advised for nursing mothers as it is unknown if the substance is excreted in human milk. Safety and effectiveness are established for specific indications in pediatric patients, with minimum age requirements varying by formulation.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory profile for Микодерил (Naftifine Hydrochloride) establishes risk based on the route of exposure, due to low systemic absorption during intended use.

Documented Overdose Scenarios

Scenario Risk Classification
Topical Overuse Overdose from excessive application to the skin is not expected to be dangerous, according to regulatory documentation.
Accidental Ingestion Systemic risk is confined to accidental oral ingestion (swallowing), which is classified as potentially harmful.

Manifestations and Mandated Emergency Actions

While topical use is low risk, official labeling mandates seeking emergency medical attention immediately if the product is accidentally swallowed. Urgent medical services must be contacted if the patient exhibits serious symptoms, which may include passing out or experiencing trouble breathing. The required immediate actions are to call a poison control center right away or call 911 for severe manifestations.

Management Status

In the event of an overdose requiring medical care, the official regulatory information indicates that no specific antidote is known for this substance. Management is focused on general symptomatic and supportive treatment provided in a clinical setting, addressing any specific systemic manifestations present. No population-specific overdose considerations are detailed in the official labeling.

Therapeutic Uses of Микодерил

What Микодерил treats: Main Uses and Benefits

The medicine is commonly used for managing localized Dermatomycoses, which include common ringworm infections such as Athlete's foot (Tinea pedis), Jock itch (Tinea cruris), and Ringworm of the body (Tinea corporis). It is applied in contexts marked by increased discomfort and is relevant for conditions caused by fungal pathogens, such as dermatophytes. The medication provides support in managing these recurrent and often acute superficial skin conditions.


Alleviating Symptomatic Skin Discomfort

Микодерил is applied when symptoms create noticeable physiological strain, primarily targeting intense, disruptive symptoms, including localized Pruritus (itching), skin Erythema (redness), and significant Irritation. The therapeutic support provided helps ease the overall symptom burden, supporting the patient during episodes of heightened discomfort and contributing to improved day-to-day comfort. This focus on Epidermal Abnormalities supports the maintenance of functional stability and skin comfort.


Quick Fact: Relief for Dermatomycoses

Domain Therapeutic Focus
Conditions Tinea pedis, Tinea cruris, Tinea corporis
Symptom relief Pruritus, Erythema, Scaling, Irritation
Primary Benefit Easing overall symptom burden and supporting skin comfort
Use Context Managing acute and recurrent superficial fungal infections

Regulatory References

  1. NIH DailyMed drug label

Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Микодерил — Official Regulatory Information

This eligibility profile is based strictly on the authoritative population rules documented in government regulatory labeling for Naftifine Hydrochloride topical formulations.

Category Regulatory Status
Populations for whom use is allowed Adults (18 years and older) and Adolescents (12 years and older) for most labeled indications. Children 2 years and older for specific indications such as Tinea corporis.
Populations for whom use is contraindicated Individuals with known hypersensitivity to Naftifine Hydrochloride or any excipients present in the specific formulation.
Age-related eligibility rules Safety and effectiveness have not been established for all indications in pediatric patients under 12 years of age. For Older Adults (65+), no specific geriatric restrictions are documented.
Pregnancy and lactation eligibility status Pregnant Individuals: Use is conditional; the drug should be used only if clearly needed due to a lack of adequate human studies. Breastfeeding Individuals: Caution should be exercised, as it is not known whether the drug is excreted in human milk.
Condition-specific eligibility rules Renal/Hepatic Impairment: No specific restriction is labeled, consistent with the minimal systemic absorption of the topical route.

Resulting Eligibility Structure

Official eligibility statements:

  • Use is contraindicated in patients with a history of allergy to the active ingredient or inactive components.
  • The safety and effectiveness profile is not established for most uses in children under 12 years old.
  • Eligibility during pregnancy and lactation is defined as conditional, requiring caution due to limited data in humans.

Connection to the overall eligibility profile: Regulatory documents define who can and cannot use the medicine primarily through absolute exclusion based on hypersensitivity. Eligibility for use is also limited by age thresholds, with safety data establishing use in adults and older children but remaining not established for younger pediatric groups in most contexts.

What should I know about interactions with other medicines?

Interaction Scope

The official regulatory documents for Naftifine Hydrochloride (Микодерил) characterize the medicine’s interaction profile by the absence of known significant systemic interactions. This official finding is based on the minimal systemic exposure of the active substance following topical application, which substantially limits the potential for metabolic or pharmacodynamic interaction with co-administered systemic drugs.

Category
Medicinal product categories with documented interactions None documented in official labeling
Specific interacting medicines (if explicitly listed) None documented in official labeling

Official Interaction Statements:

  • The regulatory prescribing information confirms there are no known significant drug-drug interactions with other medicinal products.
  • Official government sources do not specify any mandatory timing separation requirements or dose adjustments for co-administered medicines.
  • There are no documented interactions with food, alcohol, or herbal products in the official regulatory summaries.

Interaction Classifications

The interaction severity is officially classified as no known significant interactions. This regulatory assessment is consistent across major health authorities, including the FDA and EMA. No population-specific interaction cautions are documented that would heighten interaction severity for patient groups such as the elderly or those with hepatic impairment.

Connection to the overall interaction profile: The regulatory documents define the product’s interaction structure by affirming the absence of known clinically significant interactions. This structure is grounded in the pharmacokinetic finding that the systemic absorption of the topical agent is minimal. Consequently, official government labels do not specify any prohibitions, restrictions, or special timing requirements related to co-administration with other medicinal products.

Mechanism of Action

Targeted Disruption of Fungal Cell Structure

The primary mechanism involves the selective inhibition of fungal squalene epoxidase, a critical enzyme in the ergosterol biosynthesis pathway. This action leads to a crucial physiological consequence: the complete destabilization of the fungal cell membrane through a dual effect of toxic squalene accumulation and essential ergosterol depletion. This molecular sequence results in the structural collapse or growth-inhibition of the organism.


Intrinsic Anti-Inflammatory Modulation

In addition to its antifungal function, the drug inherently engages mechanisms that influence host tissue responses, allowing it to modulate the release and activity of local inflammatory mediators. This secondary action involves limiting the activity and signaling of key local inflammatory components. This mechanism limits the downstream effects of the inflammatory cascade, reducing the physiological activity of inflammatory processes.

Dosage and Administration Information

Микодерил (Naftifine Hydrochloride) is designated for topical, dermal application. The administration protocol is determined by the specific formulation strength and vehicle.

The 2% Cream and Gel formulations are applied as a thin layer once daily, typically for a duration of two weeks. The application includes extending coverage to an approximately 1/2 inch margin of healthy skin surrounding the affected area.

In contrast, the 1% Cream is also used once daily, but the course duration before professional re-evaluation may extend to four weeks. The 1% Gel formulation utilizes a twice-daily frequency.

All administration must avoid contact with the eyes, mouth, and other mucous membranes, as the medicine is not for ophthalmic, oral, or intravaginal use. Furthermore, instructions advise against the use of occlusive dressings or wrappings over the treatment area unless explicitly directed. Regarding specific populations, the use of the 2% formulations is noted for patients 12 years and older for their approved indications. The procedural steps involve gently massaging the product into the skin and washing hands immediately after administration.

Recent Clinical Evidence

Evidence for Use in Tinea Pedis (Athlete's Foot)

Research for Микодерил was evaluated in studies exploring the treatment of tinea pedis, a condition characterized by fluctuating or episodic manifestations. These studies were generally comparative in nature, often using a vehicle (a cream or gel without the active ingredient) to allow researchers to compare outcomes against an inactive substance. The research explored short-term symptom changes, with most core trials observing responses over defined treatment periods.

Studies monitored outcomes related to physical discomfort, such as itching (pruritus) and redness (erythema), and also outcomes reflecting mycological clearance, which is relevant in evidence describing how symptoms are measured. Findings describe patterns observed in the studies, indicating that the measured signs of infection often evolved throughout the study period, with changes recorded even after the topical application period was completed. Data show patterns related to the measurement of fungal presence in the observed populations. However, results apply only to the specific conditions under which they were conducted, and follow-up durations were limited, mostly extending only four weeks after the application period concluded.


Evidence for Use in Tinea Cruris and Tinea Corporis (Ringworm)

Research examined the use of Микодерил in conditions involving periods of heightened symptoms, such as tinea cruris (jock itch) and tinea corporis (ringworm of the body). These studies were applied in research contexts involving fluctuating or unstable symptoms. In many cases, studies monitored outcomes capturing phases of heightened symptom activity, such as changes in lesion size and severity scores.

Research highlights changes measured during the study period, including patient-reported outcomes describing perceived discomfort. Observed patterns in the trials tracked the reported changes in the clinical presentation of the infection, including documented evolution in visual signs such as erythema (redness) and overall lesion size. Studies monitored proportions of subjects tracked for mycological outcomes (where the fungi are no longer detected). Comparative evidence was studied to examine patterns of observed response when compared to some other topical treatments for these conditions. Research has explored the treatment of these conditions over short-term intervals.


️ Research on Long-Term Outcomes and Follow-up Durability

The core clinical research for this medication generally focuses on short-term changes and observes responses over defined time intervals, typically up to six or twelve weeks following the start of treatment. For Микодерил, follow-up durations were limited in the primary evidence base. While studies provide insight into short-term changes and how symptoms were measured immediately following treatment cessation, long-term effects are not fully established. There is limited information for long-term outcomes, meaning data are still emerging regarding how durable the observed effects may be over extended periods (such as six months or one year after treatment).

Key Studies & References

  1. Label: NAFTIN- naftifine hydrochloride gel - DailyMed - NIH (for Naftifine HCl 2%)
  2. Naftifine Hydrochloride Cream label (for Naftifine HCl 2%) - DailyMed - NIH
  3. A phase III randomized controlled clinical trial evaluating the efficacy and safety of naftifine 2% cream versus terbinafine (for Tinea Cruris/Corporis)

Frequently Asked Questions (FAQ)

Common questions about Микодерил (FAQ)

Q: Is Микодерил available over the counter, or is a prescription required?

According to regulatory documents for the active ingredient Naftifine Hydrochloride in the US, the topical formulations are currently classified as a prescription-only drug.

This means the medication requires authorization from a healthcare professional to be obtained.

Q: Why do official documents advise continuing treatment even after symptoms disappear?

Official patient guidance for antifungals typically advises users to continue applying the medicine for the full prescribed duration, even if the visible symptoms have cleared up.

This instruction is given to help ensure that all underlying fungal elements are completely eliminated, which helps prevent the infection from returning (recurrence).

Q: What should be done if an excessive amount of Микодерил is accidentally applied?

Official instructions state that the medicine should only be used as directed, and applying an excessive amount may lead to unwanted side effects or increased skin irritation.

If the medicine is accidentally swallowed or if a person uses far more than prescribed, a healthcare professional should be contacted immediately for guidance.

Q: Can I apply Микодерил immediately after showering or bathing?

Official usage instructions commonly recommend that the skin area to be treated should be carefully washed and dried before the medicine is applied.

Therefore, application is generally appropriate following showering or bathing, provided the skin is thoroughly dried beforehand.

Q: Can using Микодерил make the skin peel, flake, or become excessively dry?

Yes, official safety information indicates that effects such as mild skin dryness and irritation are possible side effects at the application site.

More significant reactions, including peeling (exfoliation), blistering, or crusting, have also been reported and should be brought to the attention of a healthcare professional.

Q: Does Микодерил contain any corticosteroids or other secondary active ingredients?

Regulatory drug facts indicate that the therapeutic effect is derived entirely from its single active ingredient, Naftifine Hydrochloride, which is an antifungal.

Therefore, the product is not a steroid (corticosteroid) and does not contain added steroid components.

Q: What is the difference between the cream and the solution forms of Микодерил?

The different formulations (such as cream, gel, or solution) primarily differ in their base or vehicle, which impacts how the product spreads and penetrates the skin.

Additionally, different strengths and formulations may have variations in their approved treatment durations and recommended frequencies for specific indications.

Q: Are there any specific cleaning or hygiene practices recommended while using Микодерил to prevent recurrence?

Patient instructions often include basic hygiene advice in addition to washing hands after application.

This may include recommendations to wash items like towels and clothing that have come into contact with the infected skin using hot water to help prevent the fungal infection from spreading or returning.

Q: Where can I find publicly available research evidence about Микодерил?

Official documents confirm that regulatory approval is based on clinical data.

Information about clinical studies, including trial details and results, is often made publicly available through government-run resources such as ClinicalTrials.gov and regulatory documents linked from the NIH DailyMed website.

Q: What type of clinical trial evidence exists for Микодерил, such as phase or scale?

Studies cited in official review documents include large-scale clinical evidence, such as Phase III randomized, double-blind, active-controlled trials.

These trial documents detail the size of the studied populations and the specific methods used to measure the effectiveness and safety of the medication.

Q: Can the use of Микодерил potentially affect the liver or kidneys?

Regulatory information notes that the medicine has minimal systemic absorption following topical application, meaning very little of the drug enters the bloodstream.

This finding limits the potential for systemic effects on major organs, such as the liver or kidneys, which is why official labels typically do not list specific restrictions related to renal or hepatic impairment.

Q: What is the risk of the fungal infection returning after the full course of Микодерил is completed?

Patient guidance, based on regulatory information, emphasizes that the risk of the infection returning is primarily linked to stopping treatment prematurely or missing scheduled doses.

Following the full prescribed course is described as necessary to reduce this possibility.

Q: What is the meaning of the term 'broad-spectrum' in the context of Микодерил?

When used to describe Микодерил, the term broad-spectrum refers to the fact that the medicine is indicated for treating infections caused by a range of different fungal organisms.

This includes multiple common strains of dermatophytes (fungi that cause skin infections) that are listed in the official indications.

How should Микодерил be stored and disposed of?

How to Store and Dispose of Mycoderil (Микодерил)

The storage requirements for Mycoderil 1% solution (Naftifine Hydrochloride) are defined by regulatory documents to ensure the stability and safety of the product. The solution must be protected from high heat and kept secure from children.


Official Storage Requirements

Storage Condition Requirement
Temperature Limit Store at a temperature not exceeding 25 C.
Packaging Keep the solution in the original packaging (vial in cardboard box).
Child Safety Must be stored out of the reach of children.
Shelf Life The official shelf life is 2 years when stored under the specified conditions.

Disposal

The regulatory labeling does not provide explicit, general instructions for the disposal of unused or expired Mycoderil solution (e.g., household or environmental restrictions).

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

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