Amycor 1%

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Amycor 1%

Method of action: Antifungal Broad Spectrum

Treatment option: Hyperhidrosis

Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Amycor 1%

Property Description
Active ingredient Bifonazole (INN)
Form Cream, Solution, Gel, Powder
Pharmacological class Azole Antifungal / Imidazole Derivative
Common use Resolution of superficial fungal skin infections
Origin Synthetic

What Type of Medicine is Amycor 1% and What Does it Contain?

Amycor 1% is a synthetic antifungal medication designed exclusively for topical application to the skin. Its single active ingredient is Bifonazole (INN), which is chemically classified as an imidazole derivative and belongs to the Azole Antifungal pharmacological group. As a topical antifungal agent, this classification is clinically recognized for targeting a wide range of common fungal pathogens, supporting its use in scenarios involving superficial skin infections.

The “1%” concentration defines the ratio of Bifonazole within the finished dosage form, which is typically manufactured as a cream, but may also be available as a solution or gel. The Bifonazole is compounded into a lipophilic cream base, which helps in the efficient penetration and sustained delivery of the active substance to the infected skin layers.


How Does Bifonazole Generally Fight Fungi?

Bifonazole's general purpose is to successfully resolve the underlying fungal presence responsible for superficial skin infections. It acts as an Ergosterol Biosynthesis Inhibitor, disrupting the synthesis of ergosterol, a critical molecule essential for maintaining the structure and function of the fungal cell membrane.

Bifonazole distinguishes itself from some other antifungals by demonstrating both fungicidal (killing the fungus) and fungistatic (halting growth) properties. This dual mode of action, which inhibits sterol biosynthesis at two distinct points, is a key differentiating factor that enhances its comprehensive effect against fungal organisms, establishing its utility in dermatology.

What side effects are possible with Amycor 1%?

Possible Side Effects and Safety Information

The safety profile for Amycor 1% (Bifonazole) is defined by officially documented adverse reactions that are primarily localized to the site of application. These effects are classified by frequency in regulatory documentation, reflecting the incidence rates observed in clinical use.

Classification of Officially Documented Adverse Reactions

The most frequently reported reactions involve the area where the product is applied. These effects are categorized in regulatory documents under System-Organ Classes such as Skin and Subcutaneous Tissue Disorders and General Disorders and Administration Site Conditions.

Frequency Classification Officially Documented Adverse Reactions
Common (geq 1/100 to < 1/10) Application site irritation, Application site burning
Uncommon (geq 1/1,000 to < 1/100) Eczema, Application site pruritus (itching), Application site erythema (redness), Application site scaling
Not Known Frequency Application site pain, Peripheral Edema, Hypersensitivity reactions

Contextual Safety Notes

The official labeling notes specific patterns related to these effects. A burning sensation at the application site is generally observed at the initiation of treatment. Furthermore, official regulatory documents state that certain adverse reactions, such as pruritus and erythema, may be difficult to distinguish from the existing symptoms of the fungal infection being addressed.

Safety Profile Summary

Based on official regulatory classifications, the safety profile is defined by local cutaneous reactions. The inclusion of these adverse reactions by frequency and System-Organ Class establishes the officially expected pattern of safety concerns, without implying systemic risk profiles or providing clinical advice.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory information for topical Bifonazole (Amycor 1%) establishes that the risk of acute intoxication is unlikely and severe symptoms are not likely to occur following the single dermal application of an overdose. This assessment is based on the low systemic absorption profile of the topical cream.


Official Regulatory Action for Accidental Ingestion

The primary focus of regulatory guidance is on accidental oral ingestion. In this circumstance, immediate action is required as explicitly stated by authorities:

  • Seek immediate medical advice or contact the Accident and Emergency Department of your nearest hospital if the cream is swallowed accidentally.

Overdose Management and Antidote Status

The official documents confirm that no specific antidote is known for Bifonazole overdose. Consequently, management focuses on supportive measures and procedures.

Management Aspect Regulatory Statement
Antidote Availability No specific antidote is known.
Procedural Measure Routine measures such as gastric lavage should be performed in the event of accidental oral ingestion.

Should an overdose be suspected following ingestion, the product must be stopped, and a physician must be contacted immediately for required procedural support.

Therapeutic Uses of Amycor 1%

What Amycor 1% Treats: Main Uses and Benefits

Amycor 1% (Bifonazole) is commonly used for symptomatic relief and to address the underlying fungal presence across several key therapeutic areas concerning the skin. The treatment provides support that helps ease the overall symptom burden, generally contributing to improved day-to-day comfort during symptomatic periods.


Therapeutic Support for Common Fungal Skin Infections

This domain covers conditions caused by dermatophytes and yeasts that result in localized skin issues. It is relevant in conditions characterized by periods of heightened symptoms, such as Athlete’s Foot (Tinea Pedis), Jock Itch (Tinea Cruris), Ringworm (Tinea Corporis), as well as Cutaneous Candidiasis and Pityriasis Versicolor. The medication is commonly used when groups of symptoms cluster into patterns requiring supportive management; its application helps address the fungal presence and supports the management of the infection.


Alleviation of Pruritus, Redness, and Scaling

This cluster addresses the most disruptive symptoms encountered by patients: intense itching (pruritus), pronounced redness (erythema), and flaking or scaling. The treatment is relevant for managing the symptom intensity associated with the fungal rash, and may assist patients in coping more steadily with localized episodes of discomfort. It is applied when symptoms create noticeable interference with daily stability, supporting general well-being during symptomatic phases.


“The application is relevant for easing skin irritation and pruritus, helping patients cope more steadily with localized episodes of discomfort.”


Quick Fact: Relief for Itching and Rash Amycor 1% is commonly used to help with symptoms related to inflammatory or irritative states, assisting with supportive relief when symptoms interfere with routine activities.

Eligibility and Restrictions for Use

Amycor 1% (Bifonazole) eligibility rules are defined by official regulatory bodies and specify who can and cannot use the medication based on age, pre-existing conditions, and physiological state.


Who Cannot Use This Medicine (Contraindications)

Individuals must not use Amycor 1% if they have a known hypersensitivity or allergy to the active ingredient, Bifonazole, or to other imidazole-class antifungal agents. It is also contraindicated for treating nappy (diaper) rash in infants.


Populations with Restricted or Conditional Use

  • Pediatric Use: Treatment in infants and toddlers (typically under 3 years old) is restricted and must be carried out only under medical supervision.
  • Pregnancy: Use is not recommended during the first trimester and should only proceed after a physician assesses the benefits and risks.
  • Lactation: It is advised that the cream must not be applied to the chest or breast area during breastfeeding to prevent infant ingestion.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Interaction Scope

The official interaction profile for Amycor 1% (Bifonazole) is narrowly focused due to the medication’s topical application and minimal systemic absorption, as noted in regulatory documentation.

Property Official Regulatory Statement
Medicinal product categories with documented interactions Oral Anticoagulants (e.g., coumarin derivatives).
Specific interacting medicines (if explicitly listed) Warfarin, Acenocoumarol.
Mechanistic basis of interactions (only if stated in label) Potential inhibition of the metabolic clearance of the anticoagulant, leading to increases in the anticoagulant's concentration and effect. (Described as a pharmacokinetic interaction.)
Timing-based interaction rules (if applicable) None documented.
Population-specific interaction notes (if applicable) Required monitoring for patients receiving oral anticoagulants.

Interaction Classifications (High-Level)

Classification Official Regulatory Statement
Interaction severity classification Clinically significant interaction requiring monitoring (not classified as contraindicated).
Interaction-context constraints Must monitor International Normalized Ratio (INR) when co-administered.

Resulting Interaction Structure

Official prescribing information requires recognition of a pharmacokinetic interaction where co-administration with oral anticoagulants may lead to an exposure-modifying effect, resulting in an increase in INR. Regulatory documents therefore stipulate a practical requirement for appropriate monitoring of the anticoagulant effect when these substances are used concomitantly. No interactions with food, alcohol, herbal products, or other drug classes are documented in the official regulatory prescribing information.

Mechanism of Action

Targeting Fungal Cell Membrane Construction

The primary mechanism involves the molecule Bifonazole acting as an inhibitor on two crucial enzymes, Lanosterol 14-alpha demethylase and HMG-CoA reductase, within the fungal cell's Ergosterol Biosynthesis Pathway. This unique dual-site blockade restricts the pathogen from creating ergosterol, an essential component of its cell membrane, while simultaneously causing the accumulation of highly toxic, abnormal sterols.


Fungicidal and Fungistatic Effects

The physiological consequence of the blocked pathway is the complete structural failure of the fungal plasma membrane. This failure increases membrane permeability, leading to the uncontrolled leakage of vital cellular contents and the resulting disintegration of the organism. This mechanism produces both a fungicidal (cell-killing) effect to induce irreversible damage to the cell, and a fungistatic (growth-halting) effect, consequently restricting fungal growth and proliferation within the skin layers.


Modulation of Local Host Inflammatory Response

In addition to its direct action on the fungal organism, Bifonazole exhibits a secondary mechanism by influencing host tissue. It helps to modulate local inflammatory mediators within the skin, influencing host tissue pathways associated with inflammatory mediator activity.

Dosage and Administration Information

Amycor 1% (Bifonazole 1% Cream) is designated exclusively for topical application, meaning it is applied directly to the affected skin area. The cream is applied according to a specific schedule, typically once daily, preferably in the evening before retiring. Prior to application, the affected skin must be thoroughly washed and dried.

The required dosage is a small amount—a thin layer, typically equivalent to the size of a pea—which is sufficient to cover an area about the size of an adult palm. The cream is then rubbed in gently. This medication is for external use only; contact with the eyes must be avoided, and it is not intended for oral or internal mucosal application.

The total duration of the application course generally ranges from two to four weeks, depending on the specific infection being treated. For instance, treatment for Tinea pedis (Athlete’s Foot) is typically three weeks. If a daily application is missed, it should be applied as soon as it is remembered, but a double application should not be used to compensate.

For children, including infants, use of the cream should only occur under medical supervision.

Recent Clinical Evidence

Research Evidence for Tinea Infections (Athlete's Foot, Ringworm, Jock Itch)

Research has explored the use of Amycor 1% (Bifonazole) in studies involving common fungal skin conditions caused by dermatophytes. The research base includes Randomized Controlled Trials (RCTs) and comparative studies, largely conducted in Adults. Researchers monitored key outcomes such as Mycological Clearance Status and Clinical Status Assessment, tracking the presence and evolution of symptoms like itching and scaling. Findings describe patterns observed immediately after short-term treatment, but the overall quality of evidence varies across studies.


Research Evidence for Cutaneous Candidiasis and Pityriasis Versicolor

Research has also explored the use of Bifonazole in studies involving skin infections caused by yeasts. These research scenarios involved comparative clinical trials and large-scale, non-comparative studies. For both indications, the research examined Mycological Status and the overall level of Clinical Status of the lesions, measured by specific assessment tools.


Comparative Research and Study Design

The evidence landscape includes studies that compare Bifonazole against a non-medicated cream (placebo) or against an active comparator. Systematic reviews highlight that the evidence quality varies across studies, with some trials being assessed as having an unclear risk of bias due to methodological constraints.


Long-Term Evidence and Follow-up Durations

The follow-up durations for many clinical trials were limited, typically focusing on a short-term observation period of two to six weeks after treatment was completed. While this provides research insight into short-term changes, long-term effects are not fully established. Studies exploring recurrence rates over extended periods are not consistently available, limiting information regarding the stability of fungal clearance.


Key Limitations and Remaining Research Questions

The research mainly focused on Adults with confirmed infections, meaning data for certain groups remain insufficient. Key limitations noted include sample sizes were modest in many individual trials, and a lack of consistent reporting across studies makes direct comparison of some outcomes difficult. Subgroup findings are uncertain due to the narrow focus of primary trials on localized adult infections.

Frequently Asked Questions (FAQ)

Common questions about Amycor 1% (FAQ)

Q: Why is Amycor 1% prescribed for fungal infections?

According to the official product information, Amycor 1% is prescribed for superficial fungal infections of the skin. This includes infections caused by specific fungal groups such as dermatophytes (the cause of Athlete's Foot and Ringworm), yeasts (like Candida), and the infection known as Pityriasis versicolor.

Q: Does Amycor 1% treat all types of athlete's foot?

Official documents specify the use of the medicine for Athlete’s Foot (Tinea pedis). This infection is typically caused by fungal organisms known as dermatophytes, and the medicine is indicated for treating infections caused by these specific groups.

Q: Is Amycor 1% meant for long-term use?

Official instructions define the course of application as a specific, short duration, generally ranging between two to four weeks. This defined timeline means the product is not intended for continuous, long-term use.

Q: Is Amycor 1% related to treatments for yeast infections?

Official documents confirm that the medicine is used to treat fungal infections of the skin caused by yeasts, such as Candida albicans. It is classified as an Azole Antifungal, a type of drug often effective against both molds and yeasts.

Q: Why is the application area limited to certain body parts for Amycor 1%?

Regulatory documentation specifies that the cream is for external use only and must be applied directly to the affected skin area. Its use is restricted from the eyes, mouth, and for internal mucosal infections, such as those in the vagina.

Q: Is it acceptable to use Amycor 1% past its expiration date?

Official instructions state that the medicine is not recommended for use past its labeled expiration date. Regulatory guidance notes that any expired or unused product must be properly disposed of according to local regulations.

Q: Is it safe to cover the treated area with a bandage after using Amycor 1%?

Official prescribing information indicates that occlusion (covering the treated area with a bandage) may lead to increased systemic absorption of the active ingredient. For patients taking oral anticoagulants, this is noted as potentially requiring closer medical monitoring.

Q: Can the active ingredient in Amycor 1% be absorbed into the bloodstream?

Official documents confirm that bifonazole is only observed in low systemic exposures following its topical application to the skin. This means that only a small, minimal amount of the active ingredient is absorbed into the bloodstream.

Q: What specific kind of fungus does Amycor 1% target?

The medicine is indicated for treating infections caused by several specific fungal groups. These include dermatophytes, yeasts, and organisms associated with Pityriasis versicolor, such as Malassezia furfur.

Q: Is Amycor 1% available without a prescription in some places?

The product is classified as a Pharmacy Medicine in certain countries, such as Australia. This classification means it may be available from a pharmacy without requiring a doctor's prescription, depending on local regulatory rules.

Q: How quickly do people typically notice a change when using Amycor 1%?

Official product information notes that a doctor or pharmacist should be consulted if symptoms of the infection have not begun to improve within seven days of starting treatment. This suggests an expected timeline for initial response to the medicine.

Q: Is Amycor 1% safe to use on sensitive skin areas?

Official regulatory documents list application site irritation and burning as common side effects of the cream. Furthermore, inactive ingredients like cetostearyl alcohol are noted as potentially causing local skin reactions, such as contact dermatitis.

Q: What happens if a child accidentally touches a treated area?

A general precaution is noted in official documents regarding the use of the medicine. Instructions state that care should be taken to ensure that the product does not find its way into an infant’s mouth.

Q: Can Amycor 1% cause skin discoloration or permanent marks?

Regulatory documents list the officially expected adverse reactions, such as irritation, redness, and scaling. Skin discoloration or permanent marks are not listed among these reported side effects.

Q: Is Amycor 1% studied for use in elderly patients?

The research base for the medicine has primarily focused on adults. Official research summaries note that specific data for certain patient subgroups, including the elderly, are regarded as insufficient.

Q: What do researchers say about the recurrence of infection after using Amycor 1%?

Official documents note that research focusing on the recurrence rates of infection over extended follow-up periods is not consistently available. This limits the information regarding the long-term stability of fungal clearance.

Q: Is it common for the infection to look worse before it gets better with Amycor 1%?

Regulatory documents note that certain local side effects, such as itching and redness, can be difficult to tell apart from the existing symptoms of the fungal infection. This means that these effects may appear as a continuation of the infection symptoms.

Q: How long does the effect of Amycor 1% last after stopping its use?

The follow-up durations in many clinical studies were limited, typically focusing on a short period of two to six weeks after the completion of the treatment course. This provides insight into short-term clearance.

Q: What is the difference between an antifungal and an antibacterial drug?

This medicine is officially classified as an Azole Antifungal and is designed to target infections caused by fungi and yeasts. Antibacterial drugs, conversely, are designed to treat infections caused by bacteria.

Q: Do studies suggest Amycor 1% is effective for nail infections?

The product information for the cream generally states that it is not recommended for the treatment of nail or scalp infections. The medicine is primarily indicated for superficial fungal infections of the skin.

Q: Can people who are allergic to other antifungals use Amycor 1%?

Official labeling notes that patients with a history of hypersensitivity reactions to other imidazole antifungal agents (such as clotrimazole or miconazole) are advised to use products containing bifonazole with special caution. This is due to potential cross-reactivity between drugs in the same class.

Q: Does Amycor 1% have an odor or noticeable consistency when applied?

Regulatory documents describe the product as a white cream for topical use.

Q: Why is Amycor 1% sometimes mentioned with specific brand names?

The drug is marketed internationally under various specific brand names, such as Canesten or Mycodeal, which all contain the same active ingredient, Bifonazole. This is common practice for medicines sold across different countries.

Q: Is there published research on the long-term safety of Amycor 1%?

Official research summaries note that the follow-up periods for many clinical trials were limited. This means that the long-term effects are not fully established in the research base.

Q: What are the typical contraindications listed for Amycor 1%?

Contraindications typically listed in official documents include known allergy (hypersensitivity) to the active substance or ingredients. Other restrictions include use in the eyes, use past its expiration date, and use for nappy rash in infants.

Q: Is Amycor 1% considered a broad-spectrum antifungal?

Regulatory documents indicate that the medicine is indicated for treating infections caused by a wide range of fungal organisms. These include the common groups of dermatophytes, yeasts, and organisms like Malassezia furfur.

Q: Why do official documents mention specific patient populations to avoid using Amycor 1%?

Specific patient populations are noted in official documents as requiring special medical consideration or supervision before use. These include infants and women who are pregnant or breastfeeding.

Q: Can Amycor 1% cause symptoms unrelated to the application site?

While the majority of adverse reactions are localized, official regulatory listings for side effects of unknown frequency include reactions such as Peripheral Edema. This refers to swelling away from the direct application site.

Q: Is there information on Amycor 1%'s use during pregnancy in official sources?

Official documents state that no clinical data exists on the use of bifonazole in pregnant women. For this reason, official sources note that use during pregnancy is typically reserved only after a doctor's careful evaluation of the benefit versus the potential risk.

Q: How does Amycor 1% prevent the fungus from spreading?

The medicine works by a dual action that is described as both fungicidal (cell-killing) and fungistatic (growth-halting). This comprehensive effect restricts the fungal organism's ability to grow and proliferate within the skin layers, preventing further progression of the infection.

Q: What should a person do if they use more Amycor 1% than described in the package?

In the event of using more than the amount directed, official instructions indicate that a doctor or pharmacist should be contacted for advice. This precaution is noted because of potential reactions to the large local dose or if the product is accidentally swallowed.

Q: What is the general success rate described in research for Amycor 1%?

Research studies on the medicine typically monitor specific, defined outcomes. These include the Mycological Clearance Status (verifying the absence of the fungus) and the Clinical Status Assessment (tracking the improvement of symptoms like itching and scaling).

How should Amycor 1% be stored and disposed of?

The storage and disposal of Bifonazole 1% (Amycor 1%) must strictly follow regulatory guidance to maintain product stability and ensure environmental safety.

Official Storage Requirements

Condition Requirement Status
Temperature Store below 30 C. Mandatory
Protection Keep in a cool, dry place, protected from direct sunlight. Mandatory
Packaging Store in the original container/carton and manufacturer's tube. Mandatory
Child Safety Keep out of the sight and reach of children. Mandatory

Stability and Disposal

When stored correctly, the product's labeled shelf life is typically 5 years (unopened). The in-use stability period after the initial opening of the tube is up to 16 months. Expired or unused product must not be disposed of via wastewater or household waste. Disposal must instead be carried out in accordance with local regulations.

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

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