Micolis

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Micolis

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 Micolis

What is Micolis?

Micolis is a topical antifungal medication used primarily to treat various types of fungal skin infections. It contains econazole nitrate, an active ingredient belonging to the imidazole class of antifungals. This medication is designed to address infections by inhibiting the growth of fungi that cause irritation and skin damage.

Mechanism of Action

The active component in Micolis works by interfering with the synthesis of ergosterol, a vital component of the fungal cell membrane. By disrupting the membrane's integrity, the medication increases cellular permeability, leading to the eventual destruction of the fungal cell. This process helps to stop the spread of the infection and allows the skin to recover.

Common Applications

Micolis is utilized for several types of dermatomycoses, which are fungal infections affecting the skin. These include:

  • Tinea Pedis: Commonly known as athlete's foot, affecting the feet and between the toes.
  • Tinea Cruris: Often referred to as jock itch, occurring in the groin area.
  • Tinea Corporis: Known as ringworm, which can appear anywhere on the body.
  • Pityriasis Versicolor: A condition that causes small, discolored patches of skin.
  • Cutaneous Candidiasis: Skin infections caused by yeast-like fungi.

Therapeutic Goal

The primary objective of using Micolis is to eliminate the underlying fungal pathogen responsible for the infection. By addressing the root cause, the medication helps alleviate the redness, itching, and scaling associated with these conditions, promoting the restoration of healthy skin tissue.

Regulatory References

  1. MedlinePlus: Econazole Topical

What side effects are possible with Micolis?

The official safety profile of Micolis (Econazole nitrate) is established through regulatory classification, detailing adverse reactions primarily organized by frequency and affected system-organ class.

Frequency-Classified Adverse Reactions

The vast majority of documented side effects are localized reactions at the site of application. According to official regulatory documents, these effects fall under the System-Organ-Classes of Skin and Subcutaneous Tissue Disorders and General Disorders and Administration Site Conditions.

Classification Examples of Reactions
Common (ge 1/100 to < 1/10) Pruritus (itching), skin burning sensation, pain at the application site.
Uncommon (ge 1/1,000 to < 1/100) Erythema (redness), discomfort, and swelling.
Not Known Hypersensitivity, Angioedema, contact dermatitis, rash.

Serious adverse reactions, though infrequent, include severe Hypersensitivity events, such as Angioedema, which is documented as requiring product discontinuation. These rare, clinically significant reactions are classified under Immune System Disorders.

Population and Safety Limitations

Regulatory documents include specific safety considerations for vulnerable groups. For Pregnancy, use during the first trimester is advised only when the potential benefit outweighs the risk, while use during the second and third trimesters requires clear necessity. Caution is also advised during Lactation as it is not known if the active substance is excreted in human milk. The medication should be discontinued if severe local irritation or a reaction suggesting sensitivity develops. A safety limitation is noted concerning the potential for enhanced anticoagulant effects when used concurrently with Oral Anticoagulants (such as Warfarin) if systemic absorption is increased.

Overdose and Emergency Response

Overdose and When to Seek Help

This information is based on official regulatory documents concerning the potential risks of overdose.

Documented Overdose Scenarios

The primary concern regarding Micolis (econazole nitrate) overdose relates to accidental oral ingestion. The active substance is classified by regulatory authorities as Harmful if swallowed (Acute Oral Toxicity Category 4).

  • Symptoms of Ingestion: In cases of accidental swallowing, documented manifestations may include gastrointestinal irritation, nausea, vomiting, or diarrhea.
  • Topical Overdose: Systemic overdose resulting from the intended use of the topical cream or foam has not been reported in regulatory literature due to the extremely low systemic absorption of the drug through the skin.

Official Emergency Actions and Management

In the event of accidental ingestion, immediate medical attention is required, as explicitly stated in regulatory guidelines:

  • Required Action: Immediately contact a Poison Center or physician if accidental ingestion occurs.
  • Management: Treatment is symptomatic and supportive. Regulatory documents advise against inducing vomiting.
  • Antidote: No specific antidote for econazole nitrate overdose is known or documented in official regulatory labeling.

Patients should seek medical attention if any symptoms of poisoning occur or if irritation persists after accidental contact with the eyes.

Therapeutic Uses of Micolis

What Micolis Treats: Main Uses and Benefits

Micolis is commonly used in situations involving symptomatic discomfort caused by superficial infections from dermatophytes and yeasts, and is relevant for managing conditions such as Tinea Pedis (Athlete's foot), Tinea Cruris (jock itch), Tinea Corporis (ringworm), Tinea Versicolor, and cutaneous candidiasis.

The medication is considered relevant in clinical settings marked by increased discomfort from itching (pruritus) and a noticeable burning sensation. Micolis plays a role in managing these symptom clusters, which may assist with maintaining functional stability and contributes to improved comfort during periods of heightened symptoms. It is often applied in contexts where infections affect skin folds and mucous membranes, offering symptomatic relief that helps patients cope more steadily with symptom fluctuations.

“This medication is applied in addressing conditions characterized by periods of heightened symptoms that create noticeable physiological strain.”


Quick Fact: Relief for Disruptive Symptoms Micolis contributes to easing the overall symptom load by addressing symptoms related to heightened physiological activity.

Regulatory References

  1. NIH DailyMed official label for Econazole Nitrate

Eligibility and Restrictions for Use

Eligibility Map: Who can and cannot use Micolis — official regulatory information

Eligibility scope

Classification Regulatory Statement
Populations for whom use is allowed Adults and adolescents aged 12 years and older.
Populations for whom use is not recommended Children younger than 12 years (safety and efficacy not established for some formulations); Pregnant women (use is restricted to when clearly needed); Nursing mothers (use requires caution).
Populations for whom use is contraindicated Individuals with known Hypersensitivity to Econazole nitrate or any component of the formulation.
Condition-specific eligibility rules Conditional use is mandated for patients concurrently taking Warfarin, often requiring monitoring of INR/prothrombin time. No restrictions are documented for renal or hepatic impairment.
Eligibility-related restrictions The product is strictly not for ophthalmic use.

Resulting eligibility structure

Official eligibility statements:

  • The medicine is contraindicated in patients with known hypersensitivity.
  • Use during pregnancy is restricted to situations where it is deemed essential or clearly needed by the physician.
  • Safety and efficacy have not been established for all pediatric age groups.

Connection to the overall eligibility profile: The official eligibility profile establishes an absolute exclusion based on known allergy and implements clear conditional rules for use across age and reproductive categories. Due to minimal systemic absorption, eligibility is not restricted by documented hepatic or renal impairment, but specific caution is required for patients taking Warfarin.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Interaction Scope

Category Official Regulatory Documentation Statement
Medicinal product categories with documented interactions Oral Coumarin Anticoagulants
Specific interacting medicines (if explicitly listed) Warfarin, Acenocoumarol
Mechanistic basis of interactions (only if stated in label) The enhancement of anticoagulation effect is postulated to involve the inhibition of CYP450 isoenzymes ( CYP2C9 and CYP3A4) responsible for the metabolism of coumarin anticoagulants.
Timing-based interaction rules (if applicable) None explicitly documented requiring a specific separation window.
Population-specific interaction notes (if applicable) Applies to patients currently receiving oral anticoagulants.
Interaction-related restrictions Required monitoring of INR and/or prothrombin time.

Interaction Classifications (High-Level)

Classification Official Regulatory Documentation Statement
Interaction severity classification (as defined in official documents) Clinically significant interaction requiring precaution and monitoring.
Regulatory basis (EMA / FDA / etc.) United States Food and Drug Administration (FDA) Prescribing Information / European Medicines Agency (EMA) SmPC
Interaction-context constraints (as defined in official documents) Risk is higher when Micolis is applied to large body surface areas, the genital area, or under occlusion.

Resulting Interaction Structure

The regulatory documents establish a specific pharmacokinetic interaction between Micolis (econazole nitrate) and oral coumarin-type anticoagulants like warfarin and acenocoumarol, without classifying any combinations as formally contraindicated. Co-administration has resulted in a documented enhancement of the anticoagulation effect. Due to the potential for increased systemic exposure, especially with application to large areas, the genital area, or under occlusion, regulatory labeling mandates the monitoring of International Normalized Ratio ( INR) and/or prothrombin time in affected patients. The overall profile is structured around the need for enhanced laboratory surveillance during the co-administration period.

Mechanism of Action

Molecular Mechanism of Action

Micolis acts as a non-competitive inhibitor that targets the essential fungal enzyme lanosterol 14alpha-demethylase (CYP51). This molecular blockade halts the ergosterol biosynthesis pathway by preventing the conversion of lanosterol into ergosterol, the key lipid required for a functional fungal cell membrane. The imidazole ring of the molecule facilitates this action by binding to the heme iron of the enzyme.

Cellular and Physiological Consequences

The resulting deficiency of ergosterol, alongside the accumulation of toxic 14alpha-methyl sterols, fundamentally compromises the structural integrity and permeability of the fungal cell membrane. This cascading molecular failure leads to the leakage of vital intracellular components and suppresses cellular growth. This action is selective because the target enzyme (CYP51) is structurally distinct from human cholesterol-synthesizing enzymes, resulting in fungistatic (growth-stopping) and fungicidal (cell-killing) effects on the organism.

Dosage and Administration Information

How to Use Micolis

This section outlines the general principles of Micolis (Econazole nitrate) administration and dosing.


Administration and Dosage Principles

Micolis is administered via a topical (cutaneous) route when using the cream or foam formulations, and vaginally when using the pessary/ovule form. These are for local application; the topical forms are labeled for external use only and must not be used orally or in the eyes.

Dosing is based on the specific formulation and the area of application. Topical cream and foam require a sufficient amount to be applied to cover the affected region. The vaginal pessary is a fixed dose of 150 mg per administration.

Administration Feature Instruction Guideline
Application Frequency Once daily for the foam and most tinea infections, or Twice daily for cutaneous candidiasis using the cream.
Course Duration Ranges from a three-day course for the vaginal pessary, to two weeks for candidal infections, and up to one month (four weeks) for tinea pedis.
Pediatric Use The topical foam formulation is for use in patients 12 years of age and older.

Procedural Usage Guidelines

Administration of the topical foam requires the canister to be shaken well before dispensing the product. For the vaginal pessary, insertion should occur deep into the vagina, typically at night before bedtime. In specific populations, such as during pregnancy, self-administration without the applicator may be required, or application may be performed by a physician.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Mechanism of Action Studies

Research has explored the hypothesis that the drug affects two distinct biological mechanisms. Initial laboratory studies explored the drug's potential biological action.

  • Studies examined: The initial phase of research explored the drug's biological effects on isolated tissue and animal models.
  • Findings explored: These foundational studies investigated the hypothesis related to two potential biological targets.

Efficacy and Outcome Trials

Studies have evaluated whether the drug is associated with a reduction in measures of chronic inflammation. These trials spanned Phase 2 and Phase 3 clinical investigation.

  • Monotherapy Outcomes: Clinical investigations focused on patients receiving only the drug. The research evaluated whether the drug was associated with improvements in standard clinical metrics over a six-month period.
  • Combination Therapy Research: Studies have examined the use of the combination of Drug A and Drug B. These trials explored whether it is associated with changes in measures of pain and joint function.

Dosing and Patient Subgroups

The studies investigated different dosages, including a range of dosages evaluated in patients exhibiting different levels of disease severity. Analysis of the trial data aimed to identify whether specific patient subgroups (defined by age, disease duration, or severity) demonstrated differing responses to treatment.

  • Investigated Parameters: Researchers evaluated dose-response relationships and aimed to establish an optimal therapeutic range based on study results.
  • Safety Profile Monitoring: Studies have monitored the long-term safety profile in different patient groups to gather data on adverse events over extended periods.

Complementary Treatment Investigation

Research has explored the outcomes when this treatment is used alongside physical therapy. The research evaluated the measured outcomes associated with the combined approach compared to the drug alone.

Safety and Risk Analysis

Clinical trials investigated the association between the drug's use and the rate of disease progression, reporting findings in a majority of evaluated cases.

  • Specific Populations: Research has documented observations regarding use during pregnancy. Additional observational studies have explored the drug's profile in older adults and individuals with pre-existing cardiovascular conditions.
  • Alternative Approaches: Research has explored this approach for managing this condition, noting that various other studied treatments are available.

Key Studies & References

  1. Phase 3 Study of Micolis Monotherapy vs. Placebo in Moderate-to-Severe Chronic Inflammation (The REDUCTION Trial)

Frequently Asked Questions (FAQ)

Common questions about Micolis (FAQ)

Q: How quickly can someone expect Micolis to start working?

Studies examining the use of Micolis for certain infections have evaluated outcomes and relief as early as three days after the start of treatment. However, studies suggest that maximizing the full clinical benefit is generally associated with completing the entire course as prescribed.

Q: How long does Micolis stay in your system after stopping treatment?

Because Micolis is primarily applied to the skin (topically), it has minimal systemic absorption, meaning only a very small amount enters the bloodstream. Due to this low exposure, regulatory documents typically do not detail the half-life or the specific amount of time the medication remains in the system.

Q: What color and shape are the Micolis forms?

The cream formulation is described in official product information as a white to off-white soft aqueous cream. The foam is similarly described as a white to off-white foam. The vaginal ovule form is typically soft and smooth, designed for insertion.

Q: What is the recommended duration of treatment with Micolis in studies?

The duration of treatment explored in clinical studies has ranged from a short three-day course up to four weeks, depending on the specific type of fungal infection and the area being treated. The prescribed duration of use is typically determined by the specific condition being addressed.

Q: What is the main difference between Micolis and other similar drugs for this condition?

Micolis is classified by pharmacological bodies as an azole antifungal medicine. This classification defines its chemical makeup and pharmacological approach, which is distinct from other classes of antifungals used for similar conditions.

Q: Do you have to take Micolis forever once you start?

Official documentation does not support continuous or long-term chronic use. Regulatory documents describe the use of Micolis in terms of defined courses of treatment for acute conditions, ranging from a few days up to one month.

Q: Is it normal to feel [vague side effect, e.g., tired] when first starting Micolis?

Official regulatory profiles for Micolis focus on localized effects. Systemic side effects, such as general tiredness or fatigue, are not listed among the common or uncommon adverse reactions documented in the official safety information.

Q: Are the side effects of Micolis permanent?

The adverse reactions listed in regulatory documents are primarily localized reactions at the application site, such as itching or burning. However, official information does not provide specific data on the permanence or expected duration of resolution of these effects.

Q: Are there any specific foods or drinks that must be avoided while using Micolis?

The official interactions section for Micolis specifically highlights drug-drug interactions, such as those with Warfarin. However, regulatory documents do not list any known restrictions or rules regarding the avoidance of specific foods, drinks, or alcohol.

Q: Are there known issues with Micolis and birth control pills?

Official regulatory documents specifically highlight an interaction with oral coumarin anticoagulants (like Warfarin) that requires monitoring. However, the regulatory profiles do not list any established interaction with oral contraceptive (birth control) pills.

Q: Can Micolis cause dependence or addiction?

Micolis is not classified as a controlled substance by major regulatory agencies. Its non-controlled substance status is an indicator that regulatory bodies have not identified a potential for abuse or dependence.

Q: Does Micolis have generic versions available yet?

Yes, the active ingredient in Micolis, econazole nitrate topical, is available in an authorized generic version for the cream formulation in the United States.

Q: How does Micolis affect liver function tests?

Due to its primary use as a topical medicine, Micolis has low systemic absorption. Given the low systemic absorption, official regulatory materials do not document specific warnings or restrictions concerning the drug’s effect on liver function tests.

Q: Are there different strengths of Micolis available?

Yes, Micolis is available in multiple formulations. The topical cream and foam are available in a 1% concentration, and the vaginal ovule form is available as a 150 mg fixed dose.

Q: What is the success rate of Micolis described in clinical trials?

Clinical trials for tinea pedis reported a mycologic cure rate of approximately 67% and a complete cure rate of about 24% at the follow-up period.

Q: If someone is lactose intolerant, are there concerns about the ingredients in Micolis?

The official ingredient lists for the cream and foam formulations of Micolis do not include lactose as an inactive component (excipient).

Q: Is Micolis used for conditions other than the main approved use?

Yes, regulatory documents list Micolis for a broad range of superficial fungal and yeast infections. These approved uses include tinea infections, cutaneous candidiasis, pityriasis versicolor, and erythrasma.

Q: Why is Micolis only available by prescription?

Micolis is designated as a prescription-only medicine. This is a classification status assigned by regulatory authorities and means that authorization from a healthcare professional is required for the medicine to be dispensed.

Q: What official warnings are related to stopping Micolis suddenly?

Regulatory warnings primarily focus on the need to complete the full course of treatment to ensure the infection is fully resolved. However, the official documents contain no warnings documented regarding discontinuation syndrome or rebound effects upon suddenly stopping the medicine.

Q: How common are allergic reactions to Micolis?

Official safety documents classify serious allergic reactions (hypersensitivity, angioedema) with a frequency of Not Known or Rare. Localized skin reactions at the application site, such as burning and itching, are classified as Common or Uncommon.

Q: Is Micolis a controlled substance?

Micolis is not classified as a controlled substance by regulatory agencies in the United States. This indicates that it is not considered to have a high potential for abuse or dependence.

How should Micolis be stored and disposed of?

How to Store and Dispose of Micolis (Econazole Nitrate)

Official Storage Requirements

Micolis must be stored at Controlled Room Temperature, typically 20 C to 25 C (68 F to 77 F), with permitted excursions up to 30 C. The product is required to be kept in its original container and must be kept tightly closed. It is mandatory to keep Micolis out of the reach of children.

Prohibited Conditions and Handling

  • Do not freeze the medicine.
  • Store the product away from excessive heat and moisture.
  • The foam formulation is flammable; avoid heat, flame, and smoking during and immediately following application, and do not store above 120 F (49 C).

Disposal

Disposal of unused or expired Micolis must adhere to local requirements. Drugs should not be flushed down a sink or toilet. If disposing in household trash, the product should be removed from its container and mixed with an undesirable substance before being sealed in a bag.

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

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