Macmiror

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Medically reviewed

Rosario Oropesa

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Macmiror

Quick Facts: Macmiror

Property Description
Active ingredient Nifuratel
Form Film-coated tablets, Vaginal ovules
Pharmacological class Broad-spectrum Antimicrobial Agent (Nitrofuran derivative)
General purpose To eliminate infections caused by bacteria, fungi, and protozoa
Origin Synthetic compound

Macmiror is a medication containing the active substance Nifuratel, a synthetic chemical compound classified as a broad-spectrum Antimicrobial agent. This compound is a 5-nitrofuran derivative, recognized for its ability to target multiple classes of infectious organisms. Nifuratel is used for various therapeutic applications as an option for antimicrobial treatment in complex infections.


What Type of Medicine Is Macmiror (Nifuratel)?

Macmiror is an antimicrobial drug whose active ingredient, Nifuratel, belongs to the nitrofuran class and exhibits activity against bacteria, fungi, and protozoa. This distinguishes it from many antimicrobials that possess a narrower spectrum. Nifuratel belongs to a group of synthetic compounds whose specific chemical structure, containing a nitro group and furan ring, is recognized as crucial for achieving its germicidal action. The drug is available both as a single-active-ingredient product and as a combination product, such as Macmiror Complex, where Nifuratel is paired with the antifungal substance Nystatin to address complex microbial environments.


Composition and Available Forms of Macmiror

The core composition of Macmiror is the synthetic chemical substance Nifuratel, which is formulated into distinct pharmaceutical preparations for precise therapeutic delivery. The preparation is typically available in two main dosage forms: film-coated tablets for oral intake when systemic action is desired, and vaginal ovules (or pessaries) designed for a targeted, localized therapeutic effect. The substance is formulated to maintain stability and its intended mechanism of action across these distinct forms.


Macmiror's General Therapeutic Purpose

The general purpose of Macmiror is to resolve infections by eliminating a wide array of microbial causes, stemming from its unique tri-specific action. This broad-spectrum profile means the drug functions by interfering with the vital functions of infectious agents, such as nucleic acid synthesis, to achieve a microbe-killing (cidal) effect. This utility ensures the medication can comprehensively address microbial invasions across its treatment areas.

Regulatory References

  1. Clinical Efficacy Review

What side effects are possible with Macmiror ?

Possible Side Effects and Safety Information for Macmiror

This section describes the adverse reactions and safety restrictions officially documented for Macmiror (Nifuratel) in regulatory sources.


Adverse Reaction Scope

The most commonly reported adverse effects are primarily related to the Gastrointestinal system and Immune system or Skin disorders. These reactions are typically classified in regulatory documents by how often they occur:

  • Frequency Not Known: This category often includes post-marketing reports where the precise incidence cannot be reliably estimated. Reported reactions include nausea, vomiting, indigestion, and localized allergic reactions such as skin rash or itching.
  • Local Reactions: For intravaginal formulations, a burning sensation or localized pruritus (itching) may occur at the site of application. These reactions are usually mild and temporary.

Safety-Related Restrictions and Contraindications

The medicine is officially restricted based on two key safety factors:

  1. Contraindication: Macmiror must not be used if there is a known hypersensitivity to the active substance (Nifuratel) or any of the excipients in the formulation. If an allergic or hypersensitivity reaction occurs during treatment, the medicine must be discontinued immediately.
  2. Sensitization Warning: Regulatory documents note that prolonged use of the medicine may lead to sensitization phenomena, which requires treatment interruption.

Population-Specific Safety Considerations

  • Pregnancy and Breastfeeding: Use during pregnancy and breastfeeding is generally allowed only under the direct supervision of a healthcare provider and where the benefit of the treatment is considered essential. Regulatory information advises that the decision to use the drug in these circumstances must be made by a doctor.
  • Driving and Using Machines: Nifuratel generally does not affect the ability to drive or use machinery.

Regulatory Safety Summary

  • The official safety profile organizes adverse reactions by System Organ Class (e.g., Gastrointestinal disorders) and their frequency category (e.g., Frequency Not Known).
  • Hypersensitivity is a formal contraindication for use.
  • The label includes a specific warning about the risk of sensitization with prolonged exposure.

Connection to the Overall Safety Profile

The regulatory safety profile formally defines the acceptable limits of use through contraindications and classifies all known risks by their affected body system and frequency of occurrence. This structure highlights the main potential adverse events as mild gastrointestinal and skin-related reactions while ensuring the high-risk scenario of hypersensitivity is clearly marked as a prohibition. The classification provides a factual, non-advisory basis for understanding the medicine's risk profile.

Overdose and Emergency Response

Overdose and When to Seek Help

Information regarding overdose with Macmiror (Nifuratel) is based on official government regulatory assessments and supporting toxicological data.

Documented Manifestations and Toxicity Profile

Available regulatory and pre-clinical data indicate that the active substance, Nifuratel, possesses a very safe toxicological profile. In acute non-clinical tests, the drug is reported to be practically non-toxic.

Consequently, no specific human symptoms, clinical signs, or laboratory abnormalities associated with Nifuratel overdose are formally documented in public regulatory prescribing information. Furthermore, no specific severe or life-threatening outcomes are explicitly listed.


Required Emergency Actions

Category Regulatory Status
Specific Antidote None documented in official labeling.
Specific Procedures No unique supportive or procedural steps (e.g., gastric lavage) are officially mandated. Management would be symptomatic and supportive.
Population-Specific Notes No specific considerations for pediatric or impaired patients are documented in the overdose context.

In the event of a suspected or confirmed overdose, or if an amount greater than the prescribed dose is taken, immediate medical attention should be sought. This action is required as a general precaution for all drug overexposures, even when specific human toxicity data are limited.

Therapeutic Uses of Macmiror

Quick Facts: Macmiror

  • Therapeutic Domain: Assists in managing vaginal inflammation and infections.
  • Target Conditions: Used for vulvovaginal infections caused by Candida species, Trichomonas vaginalis, and susceptible bacteria.
  • Main Benefit: Contributes to the reduction of symptoms associated with mixed vaginal infections.

What Macmiror Treats: Main Uses and Benefits

Macmiror (a fixed combination of Nifuratel and Nystatin) is utilized in medical practice to address a range of localized vulvovaginal infections. Its primary application is in the management of inflammation and infection in the external genitalia and vagina caused by specific microorganisms.

This medication is indicated for use against common causes of these conditions, including yeast infections from Candida species (such as C. albicans), certain bacteria, and the protozoan parasite Trichomonas vaginalis.

Macmiror supports the therapeutic process by helping to clear the causative organisms, which in turn may promote the resolution of symptoms like abnormal discharge, discomfort, and irritation. It is often employed in cases where a mixed infection is suspected, involving multiple types of susceptible pathogens.

Eligibility and Restrictions for Use

Eligibility and Contraindications for Macmiror

The eligibility for using Macmiror (Nifuratel pm Nystatin) is strictly defined by regulatory documents, focusing on patient status and physiological state. The medicine is primarily intended for use in adult women for its approved local vulvovaginal indications. Use in children and adolescents is generally not established or not recommended in official labeling for this form.

Classification Population Restriction
Contraindicated Patients with known hypersensitivity (allergy) to Nifuratel or Nystatin (in combination products).
Conditional/Restricted Pregnant women; use is possible following a strict medical benefit/risk assessment and under medical supervision.
Conditional/Restricted Breastfeeding women; use is often advised against or requires temporary discontinuation of breastfeeding.
Conditional/Restricted Patients with severe hepatic or renal impairment (a restriction primarily related to the systemic, oral form of Nifuratel).

The most critical restriction is the absolute contraindication for individuals with a documented allergy to the active substances. For all other restricted populations, including those who are pregnant, use is conditional on a medical assessment.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The regulatory interaction profile for Macmiror (Nifuratel) is primarily defined by a specific drug-drug pattern involving medications used to manage blood coagulation. All statements regarding interactions are based strictly on official governmental regulatory documentation, such as the Summary of Product Characteristics (SmPC) provided by national health authorities.

Officially Documented Drug-Drug Interaction

The principal interaction documented in official prescribing information relates to medicines classified as Coumarin and Indandione Derivatives. This pattern is formally characterized as a pharmacodynamic interaction.

Specific Interacting Medicines

  • Oral Anticoagulants: Co-administration of Nifuratel with this class of anticoagulants—which includes specific agents like Warfarin, Acenocoumarol, and Fluindione—may result in an increase in their therapeutic efficacy. This potentiation of the anticoagulant effect is the core constraint described in the official regulatory documentation.

Interaction Profile Summary

Interaction Category Regulatory Status (Official Documentation)
Metabolic (CYP Enzyme) Interactions None explicitly documented regarding specific enzyme inhibition or induction.
Food, Alcohol, or Supplements None explicitly documented as requiring formal restriction or mandatory separation.
Timing-Based Rules None documented for mandatory separation of doses.
Contraindications No drug combinations are listed as strictly contraindicated solely due to interaction risk in the available regulatory summaries.

The official interaction profile is characterized by the need to monitor patients for the potentiated effect of co-administered oral anticoagulants. The regulatory documents otherwise indicate a notable absence of formal interaction-related constraints against other medicinal products or common substances.

Mechanism of Action

The primary active component of Macmiror is Nifuratel, a nitrofuran derivative. Its pharmacodynamic mechanism involves targeted molecular interference within microbial cells.

Disruption of Microbial Nucleic Acid Synthesis

Nifuratel requires metabolic activation by nitroreductase enzymes present in various microbial systems. This enzymatic process generates highly reactive intermediate compounds. These intermediates function as electrophiles, causing extensive chemical damage to the pathogen’s DNA. This action directly inhibits essential processes of replication and transcription, which compromises cellular integrity and results in the cessation of microbial cell proliferation.


Impairment of Microbial Cell Membrane Integrity

The reactive intermediates also engage mechanisms that regulate the physical structure of the microbial cell. They interact with key lipids and proteins embedded in the cell membrane. This molecular interaction modulates membrane structure, inducing a significant increase in permeability. The resulting loss of structural integrity leads to the leakage of intracellular contents, contributing to the loss of osmotic stability and subsequent cellular lysis.

Dosage and Administration Information

How Macmiror is Used: Administration Principles

The usage of Macmiror is defined by its distinct administration routes and associated dosage forms, which dictates whether the effect is localized or systemic. Macmiror (Nifuratel) is available as film-coated tablets for oral administration and vaginal ovules or capsules for localized intravaginal use.


Administration Scope and Dosing

Feature Usage Pattern
Route of Administration Oral (systemic) and Intravaginal (localized).
Dosing Schedule Intravaginal: One ovule (typically containing 500 mg Nifuratel and 200,000 IU Nystatin).
Frequency Pattern Intravaginal: Once daily. Oral: Administered in divided doses, with total daily amounts varying based on the prescribed regimen (e.g., up to 1200 mg of Nifuratel for some systemic uses).

Procedural Context and Duration

Instructions specify practical conditions for the use of the localized form. The ovule is generally directed for insertion into the highest part of the vagina in the evening before sleep. This timing is designed to maximize contact time and drug retention. The treatment duration for the intravaginal ovules is typically a 10-day course. While dose ranges are provided for adults, adjustments for specific populations such as those with renal or hepatic impairment are not consistently specified.


Connection to the overall use protocol: The usage follows a structured protocol by defining two distinct methods of delivery—localized intravaginal application and systemic oral intake. This is followed by a specific, once-daily course for the topical form, with a rule to administer the dose in the evening. This framework ensures the medicine is utilized as defined within its pharmaceutical framework.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Macmiror

Evidence for Use in Mixed and Specific Vulvovaginal Infections

Research has studied for the use of Macmiror (Nifuratel, often combined with Nystatin) in patients diagnosed with conditions characterized by fluctuating or episodic manifestations, such as infections caused by Candida species, the protozoan Trichomonas vaginalis, and susceptible bacteria. The study types available for this core indication include Systematic Reviews and Meta-analyses that synthesized data from multiple short-term Randomized Controlled Trials (RCTs). This section describes the types of outcome measures relevant in trials assessing short-term or episodic symptom patterns, such as the composite endpoints for clinical and microbiological clearance.

Studies research examined the drug combination compared to other regimens observed in some studies as comparators. Findings describe patterns observed in the studies where measurements for the study regimen and comparator regimens fell within a narrow range.

Research Context for Bacterial Vaginosis (BV)

The research examined Macmiror's role related to Bacterial Vaginosis (BV) in RCTs that focused on outcomes related to systemic or functional imbalance and the normalization of specific diagnostic criteria. data show patterns related to measured outcomes that were generally observed in some studies with other comparator regimens. In vitro experiments research describes patterns related to its use against key BV-related organisms, and this research provides context but not individual predictions about whether an individual will respond similarly.

Studies Focused on Special Populations

The research base includes studies that have evaluated the nifuratel combination in specific groups, including pregnant women diagnosed with mixed vaginitis. This specific patient-reported population was observed in a limited number of controlled clinical studies. A small number of studies explored its use in postmenopausal women with BV, but data for certain groups remain insufficient.

Long-Term Data and Follow-up Durations

Most available evidence is derived from studies tracking outcomes over defined time intervals in the short-to-intermediate term. The laboratory confirmation of microbiological clearance often was monitored in studies up to one month. These follow-up durations were limited in many primary studies, and long-term effects are not fully established regarding recurrence.

Current Research Gaps and Uncertainties

Subgroup findings are uncertain, and comparative evidence is lacking for some of the most current standard-of-care treatments worldwide. Research also describes a need for more data derived from robust studies with extended observation periods to fully characterize the patterns of infection recurrence and for achieving specific measured outcomes are still being studied for in comparative studies.

Frequently Asked Questions (FAQ)

Common questions about Macmiror (FAQ)


Q: Does Macmiror help with bacterial infections?

According to the official product information, Macmiror (nifuratel) possesses antibacterial activity. This means the active substance is indicated for use against certain types of bacteria.


Q: Is Macmiror effective against fungal infections?

Studies and official information indicate that Macmiror has an antifungal effect. Regulatory sources indicate the antifungal effect includes activity against Candida species, which are known to cause yeast infections.


Q: Can Macmiror treat Trichomonas infections?

Regulatory documents state that Macmiror (nifuratel) also has antitrichomonal properties. This means the medicine is active against protozoa like Trichomonas vaginalis, which causes the sexually transmitted infection trichomoniasis.


Q: What happens if a patient is allergic to nifuratel?

Macmiror is contraindicated (should not be used) in patients with known hypersensitivity (allergy) to the active substance nifuratel or any of the product’s components, according to the official product information.


Q: Is it safe to use Macmiror when pregnant?

According to the official product information, the use of Macmiror during pregnancy is generally contraindicated (not recommended). A treating physician may permit its use only if they determine the potential benefits significantly outweigh the risks.


Q: Should Macmiror be used while breastfeeding?

Regulatory documents advise caution when using Macmiror while breastfeeding, as the active substance, nifuratel, may pass into breast milk. The regulatory documents state that the use of Macmiror during this period requires careful assessment of the potential risks versus the clinical benefits by a healthcare provider.


Q: What if I experience an allergic reaction while using Macmiror?

The official product information advises that if signs of a hypersensitivity reaction occur—such as a rash, itching, or hives—the treatment should be discontinued. The official product information typically advises that in the event of an allergic reaction, treatment should be discontinued and a healthcare professional consulted.

How should Macmiror be stored and disposed of?

How to Store and Dispose of Macmiror?

Regulatory guidelines define specific conditions for storing and discarding Macmiror (Nifuratel/Nifuratel + Nystatin) to maintain its stability and ensure public safety.

Official Storage and Disposal Requirements

Requirement Area Regulatory Statement
Temperature & Light Store at a temperature below 25°C and protect from light in the original container.
Safety Keep the medicine out of the sight and reach of children.
Stability Do not use after the expiry date stated on the packaging.
Disposal Do not dispose of via wastewater or household waste. Unused or expired product must be discarded in accordance with local pharmaceutical requirements.

The official labeling mandates that the product be kept in a cool, protected environment and strictly prohibits disposal through common domestic waste streams, requiring adherence to formal local collection programs.

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

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