Gynomyk

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Gynomyk

Medically reviewed

Laura Arias

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 Gynomyk

Property Description
Active ingredient Butoconazole Nitrate
Form Vaginal Cream or Suppository
Pharmacological class Azole Antifungal / Imidazole Derivative
Common purpose Treating localized yeast infections
Origin Synthetic

What Kind of Medicine is Gynomyk? (Identity and Classification)

Gynomyk is a prescription-only medication defined as a gynecological anti-infective and an Antifungal Agent, designated for the local treatment of vulvovaginal yeast overgrowth. It is classified within the azole antifungal group, a category of synthetic compounds that are clinically recognized for their ability to combat fungal pathogens like Candida species. This designation identifies Gynomyk as a focused therapeutic option for use in feminine health care.

Composition, Form, and Origin of Gynomyk

The therapeutic effect of Gynomyk is centered on its single active ingredient, Butoconazole Nitrate, which is a synthetic imidazole derivative. The medication is typically formulated as a Vaginal Cream or a Vaginal Suppository, establishing the product's required intravaginal route of administration. This local delivery method distinguishes it from systemic treatments, ensuring the highest concentration of the Butoconazole Nitrate is applied directly to the affected tissues.

General Purpose of Gynomyk's Antifungal Action

The general purpose of Gynomyk is to directly address the fungal cause of a vaginal infection by inhibiting the growth and reproduction of the responsible yeast organisms. As an antifungal, the compound works by interfering with the fungus’s ability to create and maintain its essential outer layer. This focused action against the organism's core structure ensures that Gynomyk functions to eliminate the yeast overgrowth, which is a typical use scenario for managing local fungal proliferation.

What side effects are possible with Gynomyk?

Possible side effects and safety information

The safety profile for Gynomyk (Butoconazole Nitrate) is primarily defined by the localized reactions that occur at the site of intravaginal application, as documented in regulatory documents.

Officially Documented Adverse Reactions

The most common (≥ 1% incidence in clinical trials) adverse reactions are concentrated within the reproductive and gastrointestinal systems, encompassing vulvar/vaginal burning, itching, soreness, and swelling, along with pelvic pain or abdominal cramping.

System-Organ Class Common Adverse Reactions (≥ 1%)
Reproductive System Burning, itching, soreness, swelling
Gastrointestinal System Pelvic pain, abdominal cramping

Serious Adverse Reactions and Safety Restrictions

While uncommon, the potential for systemic allergic reactions or hypersensitivity to the drug or its components is a serious adverse reaction category documented in official labeling. Symptoms of severe allergy may involve difficulty breathing or swelling of the face. A rare hematological event, thrombocytopenia, has also been documented in safety literature.

Population-Specific Safety Considerations

Regulatory agencies state that the medication should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus. Safety and effectiveness have not been established in the pediatric population (women under 18 years of age).

Formulation-Related Safety Constraints

The cream formulation contains mineral oil, which can potentially weaken latex or rubber products such as condoms or vaginal contraceptive diaphragms. Therefore, the use of these barrier methods is not recommended within 72 hours following treatment, as this may compromise their structural integrity. Furthermore, recurrent vaginal yeast infections may indicate an underlying condition like HIV in women at risk, which is a safety consideration for diagnosis noted in the labeling.

Overdose and Emergency Response

Overdose Scope and Risk Classification

Overdose is considered unlikely to occur with the intended intravaginal use of Gynomyk. Official regulatory information confirms that the active ingredient, Butoconazole Nitrate, has limited systemic absorption; data shows that on average, only a small percentage (approximately 1.7% of the dose) is absorbed into the bloodstream following vaginal administration. This low absorption profile is a key constraint in the official overdose classification.

The primary overdose scenario addressed in government labeling is accidental oral ingestion of the vaginal cream or suppository. Due to the product’s intended route, regulators define ingestion as the critical exposure event requiring immediate action.

Official Emergency-Response Statements

Element Official Regulatory Statement
When to seek help Urgent medical assistance must be sought immediately if the vaginal cream is accidentally ingested.
Required management Management must consist of symptomatic and supportive therapy.
Antidote availability No specific antidote is known for Butoconazole Nitrate overdose.

The official overdose profile is constrained by the product's local delivery route, which dictates that the regulatory focus is on misuse involving the oral route. The explicit requirement to seek immediate medical help is directly linked to the event of ingestion, and the prescribed intervention remains focused on supportive measures.

Therapeutic Uses of Gynomyk

What Gynomyk Treats: Main Uses and Benefits

Gynomyk is commonly used across conditions presenting with localized discomfort, such as Vulvovaginal Candidiasis (VVC). This medication is applied in clinical settings that involve acute or unstable symptom patterns linked to VVC.

The primary indications for this application include the symptomatic management of VVC and related conditions involving episodic or fluctuating manifestations. The treatment is applied in scenarios where additional management of discomfort is required to address symptom clusters that may become intense or disruptive.

“Gynomyk is used to manage symptoms related to inflammatory states, supporting patients during difficult episodes.”

This includes helping to manage symptoms related to inflammatory or irritative states, such as significant vulvovaginal itching (pruritus), a noticeable burning sensation, local soreness, and the characteristic thick, curdy discharge. This focus on symptomatic relief helps ease the overall symptom burden and may assist with maintaining functional stability during the acute episode.


Quick Fact: Supports the management of Inflammatory Discomfort Complex

Eligibility and Restrictions for Use

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

This section defines the official population eligibility and non-eligibility rules for Gynomyk (Butoconazole Nitrate), as documented in authoritative government regulatory sources.


Eligibility Scope

Classification Population/Condition Regulatory Status
Contraindicated Patients with a history of hypersensitivity or allergy to butoconazole nitrate or any component of the product. Absolute Exclusion
Allowed Use Adult women (non-pregnant) for whom safety and effectiveness have been established. Established Efficacy
Not Established Pediatric patients (children). Safety and effectiveness are not established.

Conditional and Restricted Use

Life Stage / Condition Official Regulatory Stance
Pregnancy Classified as Pregnancy Category C. Use is permitted only if the potential benefit justifies the potential risk to the fetus.
Lactation Caution should be exercised in nursing mothers, as it is not known whether the drug is excreted in human milk.
Comorbidities Patients with conditions like uncontrolled Diabetes Mellitus or immunosuppression may require different management than the standard labeled course.

The regulatory profile establishes that Gynomyk is primarily intended for adult women who are not contraindicated due to allergy. Clear exclusions are defined for pediatric patients, for whom use is not established. Furthermore, use is designated as conditional (Category C) during pregnancy and requires caution for nursing mothers, defining the drug's precise demographic boundaries as specified by regulatory authorities.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official government regulatory documentation for Gynomyk (Butoconazole Nitrate Vaginal Cream) defines a highly specific interaction profile that centers on a physical drug-product interaction. Due to the medication’s minimal systemic absorption (approximately 1.7%), no clinically relevant systemic drug–drug interactions involving metabolic enzymes, such as CYP-mediated effects, are typically documented.

Documented Product Interaction and Restrictions

The primary interaction involves certain non-medicinal products, specifically those made of latex or rubber. The cream formulation contains mineral oil, an inactive ingredient that may physically weaken these materials. This weakening effect poses a risk of protective failure for barrier devices.

Interacting Product Category Restriction and Timing Rule
Latex or Rubber Products (e.g., Condoms, Diaphragms) Must be avoided for 72 hours (3 days) following the last dose of the medication.

This mandatory timing-based restriction, which is explicitly stated in the official prescribing information, ensures the integrity of these barrier products. No other systemic drug combinations, food items, alcohol, or herbal products are officially cited in regulatory labeling as having a clinically significant interaction with Gynomyk.

Mechanism of Action

The primary action of Gynomyk is centered on its function as a specific inhibitor of the fungal enzyme Lanosterol 14-alpha-demethylase (CYP51). This enzymatic blockade immediately interrupts the ergosterol biosynthesis pathway, which is essential for fungal cell structure. By binding to the active site of CYP51, the molecule prevents the demethylation of lanosterol, hindering the creation of the required fungal sterol. The subsequent depletion of ergosterol, combined with the accumulation of toxic methylated sterol precursors, results in a significant alteration of fungal cell membrane integrity and function. This structural flaw causes the cell membrane to become excessively permeable, leading to the leakage of intracellular contents and disruption of cellular homeostasis. This dual action of arrested growth (fungistatic) and cellular destruction (fungicidal) is the mechanistic sequence that determines the drug's effect profile. The mechanism's action is strictly specific to organisms that rely on the ergosterol pathway, rendering it without action against bacterial pathogens. Furthermore, its action is fundamentally constrained by fungal resistance mechanisms, such as mutations in the ERG11 gene or the activity of fungal efflux pumps.

Dosage and Administration Information

Gynomyk (Butoconazole Nitrate) is formulated for intravaginal administration as a 2% vaginal cream, utilizing a dedicated, single-use, prefilled applicator. The medication's usage is defined by specific protocols focusing on the delivery route and dosing schedule.


Official Dosing Protocols

The standard protocol for non-pregnant adults specifies a single application of one applicatorful of the 2% cream, which delivers approximately 100 mg of Butoconazole Nitrate. This single dose constitutes the typical single-day treatment course.

Administration is generally advised to be performed at bedtime to optimize local contact with the affected area.


Duration and Procedural Constraints

While the single application is the most common use pattern, official usage guidelines stipulate an extended 7-day regimen—one applicatorful once daily for seven consecutive days—for certain populations, such as pregnant adults in the second or third trimester.

Procedurally, the single-use applicator must be discarded immediately after use. A crucial constraint is the 72-hour restriction following administration; due to the presence of mineral oil in the cream, which may compromise the integrity of latex or rubber, the use of products like condoms or diaphragms must be avoided for three days after treatment.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Gynomyk


Evidence for Use in Vulvovaginal Candidiasis (VVC)

Research for Gynomyk (Butoconazole Nitrate) has focused primarily on its evaluation for Vulvovaginal Candidiasis (VVC). Studies were mainly structured as Randomized Controlled Trials (RCTs), where adult female patients with VVC confirmed by laboratory tests were randomly assigned to receive either Gynomyk or a study comparator treatment. Research examined how symptoms change over time and how to measure the mycological status of the yeast organism.

These studies were conducted during periods of increased symptom activity, and the findings describe patterns observed in the studies related to how patients' symptoms evolved. Specifically, research examined the rates of therapeutic cure, which is a comprehensive endpoint assessing both the change in physical discomfort and the measured mycological status. The results apply only to the specific populations studied, which were typically adult women with uncomplicated VVC.


How Outcomes Were Measured in Clinical Trials

The main objective in research exploring Gynomyk was to assess whether study participants met the criteria for therapeutic cure. This required monitoring two separate outcomes: clinical cure and mycological cure. Clinical cure involved outcomes related to physical discomfort, meaning researchers monitored the change in signs like redness, swelling, burning, and itching. Mycological cure, as an endpoint, was defined by documentation of the mycological status of the Candida organism through lab testing.


Long-Term Outcomes and Follow-up Durations

The standard follow-up durations for the core research on Gynomyk were limited. Researchers typically monitored patient responses for a relatively short-term period, relevant for the initial assessment of the medication. The formal test-of-cure visit was generally scheduled around 30 days following the initiation of the study treatment.

Long-term outcomes are not well characterized, such as the frequency of recurrence or re-infection that may occur months after the initial treatment. Long-term data, especially for patients who experience recurrent VVC, are not fully established by the initial trials. The research provides context about short-term changes but does not determine whether an individual will experience similar outcomes over an extended duration.


Gaps in Research and Areas of Uncertainty

One key limitation is the lack of extensive, long-duration research. Long-term outcomes are not well characterized, and dedicated studies examining patients who experience frequent episodes of VVC are not as common. Evidence quality varies across studies due to differences in formulation, study comparators, and sample sizes. Findings highlight what is known about VVC evaluation in acute, uncomplicated cases, and what is still uncertain regarding chronic or complex manifestations.

Frequently Asked Questions (FAQ)

Common questions about Gynomyk (FAQ)


Q: What happens if I miss a dose of Gynomyk?

If a dose is missed, official instructions describe the protocol as using the product as soon as it is remembered. However, if the time is near for the next application, the regulatory protocol indicates skipping the missed dose and continuing with the regular schedule. Official guidance states that a double dose should not be used to make up for a missed application.


Q: Can Gynomyk be used for men as well as women?

Official product labeling specifies that this medication is indicated for the local treatment of vulvovaginal candidiasis. This indication defines its use for infections that occur in women. The medication is not indicated for conditions in men.


Q: How long does the effect of Gynomyk typically last after the treatment is finished?

The core clinical research for this medication typically includes a follow-up assessment around 30 days after treatment initiation to determine therapeutic cure. Official information indicates that long-term outcomes, such as the frequency of recurrence or re-infection that may occur several months later, are not fully established by the initial trials.


Q: Is Gynomyk intended to be used for recurring infections?

Official labeling notes that recurrent vaginal yeast infections may be a safety consideration and could indicate an underlying medical condition. The return of symptoms within two months is often cited as a reason to contact a healthcare provider for a new evaluation.


Q: What happens if Gynomyk is swallowed accidentally?

Butoconazole Nitrate, the active ingredient, is classified as harmful if swallowed. Official product information states that if this occurs, a poison control center or medical help should be contacted immediately. Patient guidance describes that eating, drinking, or smoking should be avoided when administering the product to prevent accidental ingestion.


Q: Is Gynomyk used only for yeast infections, or other types too?

According to official regulatory documents, this medication is indicated solely for the local treatment of vulvovaginal candidiasis. This specifically refers to infections caused by the yeast organism Candida albicans.


Q: What is the evidence level (like Phase 3 trials) cited for Gynomyk?

The effectiveness of this medication was established through pivotal studies described as Randomized Controlled Trials (RCTs). This level of evidence is used by regulatory bodies to support the New Drug Application (NDA) and is the established basis for demonstrating efficacy and safety.


Q: Does Gynomyk have known interactions with herbal supplements?

Official regulatory documentation for Gynomyk does not cite any clinically significant systemic interactions involving herbal supplements, food items, or alcohol. The main interaction constraint relates to the physical effect of the cream on latex or rubber products.


Q: What should I do if my partner is also experiencing symptoms?

Patient guidance from regulatory sources indicates that if a sexual partner experiences symptoms, the protocol is to have them evaluated by a healthcare provider right away. This approach is intended to ensure a proper diagnosis and appropriate course of management.


Q: Is it possible for Gynomyk to make a condition worse?

Official warnings state that a worsening of the condition within a few days, or no improvement after the recommended duration, is a signal to discontinue the product. This type of reaction suggests the user should consult a healthcare provider, as it may indicate a diagnosis other than a yeast infection.


Q: Is the active ingredient in Gynomyk available in other forms?

The active ingredient in Gynomyk, Butoconazole Nitrate, is formulated and approved only as a vaginal cream or a vaginal suppository. This establishes its designated route of administration as intravaginal use.


Q: Can Gynomyk be used by teenagers?

Official regulatory documents state that the safety and effectiveness of this medication have not been established in the pediatric patient population, which includes women under 18 years of age.


Q: Are there any long-term effects of using Gynomyk repeatedly?

The clinical research used to support regulatory approval was focused on short-term outcomes. Official information notes that long-term data following repeated or frequent use, such as recurrence rates months after the initial treatment, are not fully established by the core trials.


Q: Do I need to abstain from sexual activity while using Gynomyk?

The official labeling includes a mandatory restriction on the use of latex or rubber barrier products (condoms or diaphragms) for 72 hours after treatment. This is due to the presence of an ingredient that may affect their integrity. Guidance regarding other sexual activity during the treatment period is typically provided by the prescribing clinician.


Q: Is the sensation of mild cramping normal when using this product?

Abdominal cramping and pelvic pain are documented as common adverse reactions in the official labeling. These effects are concentrated within the reproductive and gastrointestinal systems at the application site, occurring in ge 1% of patients in clinical trials.


Q: Is Gynomyk sold under different brand names in other countries?

The active ingredient, Butoconazole Nitrate, is recognized in various international jurisdictions under different brand names, such as Gynazole-1 in certain countries.


Q: What happens if I apply too much Gynomyk?

This medication is intended to be used according to a specific, labeled dosage. Official warnings state that using more of the product than directed should be avoided. If excessive application occurs, the protocol is to contact a poison control center for guidance.


Q: Is Gynomyk known to cause skin irritation?

Regulatory documents list several common localized adverse reactions that occur at the application site. These include vulvar/vaginal burning, itching, soreness, and swelling, which are manifestations of local irritation.


Q: Is it common for Gynomyk to cause mild headaches?

Official safety information includes headache as a reported adverse reaction. This information is based on data collected from clinical trials and post-marketing surveillance.


Q: How quickly should Gynomyk start working?

Studies indicate that patients may begin to experience initial relief from symptoms within the first 24 hours after the administration of the medication. The assessment of therapeutic cure, however, is based on a longer-term follow-up period.


Q: Is Gynomyk safe to use during pregnancy?

This medication is classified as Pregnancy Category C. Its use is permitted only if the potential benefit to the patient justifies the potential risk to the fetus. Official regulatory documents stipulate an extended 7-day dosing regimen for pregnant adults in the second or third trimester who may require treatment.


Q: Can Gynomyk be used if I am breastfeeding?

Official patient information states that caution is exercised in nursing mothers. Regulatory sources state that it is not known whether the active drug, Butoconazole Nitrate, is excreted in human milk.


Q: Can people with diabetes use Gynomyk?

Regulatory documents indicate that patients with certain comorbidities, such as uncontrolled Diabetes Mellitus or immunosuppression, may require different management strategies than the standard labeled course. These patients are typically evaluated by a healthcare professional prior to the start of treatment.


Q: Is it OK to stop using Gynomyk if symptoms clear up early?

The use of this medication is defined by specific protocols established in regulatory documents, such as a single-day treatment course. Official information describes following the full duration of treatment as a common protocol, and a provider should be consulted if the condition does not improve or worsens.


Q: Are there any warnings about sun exposure while using Gynomyk?

Official labeling for this medication does not contain warnings or precautions related to photosensitivity or sun exposure associated with its use.


Q: What over-the-counter pain relievers can I take with Gynomyk?

Regulatory documentation does not typically cite clinically relevant systemic drug-to-drug interactions, including those with common over-the-counter pain relievers. This is due to the medication’s minimal systemic absorption (approximately 1.7%).

How should Gynomyk be stored and disposed of?

How to Store and Dispose of Gynomyk?

The storage and disposal of Gynomyk (Butoconazole Nitrate) must strictly follow the conditions mandated by regulatory authorities to ensure product stability.

Required Storage Conditions

Condition Requirement (Official Labeling)
Temperature Store at Controlled Room Temperature, defined as 25^circC (77^circF), with excursions permitted up to 30^circC (86^circF).
Handling Do not freeze and keep away from excess heat and moisture.
Container Keep in the original container, tightly closed, and do not use if the applicator's protective foil is broken.
Child Safety Keep all medicines out of the reach and sight of children.

Disposal Instructions

Unused or expired medication must be disposed of safely. Do not flush the product down the toilet or pour it into a drain. The official preference is disposal through a community drug take-back program. If one is unavailable, the product should be mixed with an undesirable substance (e.g., used coffee grounds) before being sealed and placed in the household trash, as specified by governmental guidelines.

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

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