Lakafin

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Lakafin

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 Lakafin

What is Lakafin? (Tioconazole)

Property Description
Active ingredient Tioconazole
Form Topical Nail Lacquer, Cream, or Ointment
Pharmacological class Azole Antifungal (Imidazole derivative)
Common purpose Control and elimination of fungal microorganisms
Distinguishing feature Often formulated with undecylenic acid to enhance nail penetration

What Type of Medicine is Lakafin (Tioconazole)?

Lakafin is the trade name associated with the synthetic imidazole compound Tioconazole, which is definitively classified as an Azole Antifungal agent. This active ingredient is utilized in medicine for its capacity to eliminate or control infections caused by various fungi and yeasts. The synthetic origin of Tioconazole ensures its chemical precision as a targeted therapeutic agent against pathogenic organisms.

The medicine is notably prepared as a high-strength nail lacquer by the manufacturer Verisfield, specifically designed to address nail fungal infections. The Azole class of antifungals is clinically recognized for its effectiveness against superficial mycoses, establishing Tioconazole as an important topical option in this therapeutic area.

Composition, Form, and General Purpose

Lakafin’s fundamental purpose is achieved through its composition and specialized forms. The active core is Tioconazole, which is prepared for topical or intravaginal administration in various presentations, including creams, ointments, and the distinct nail lacquer. A unique feature of the lacquer is the inclusion of the excipient undecylenic acid, which is intended to enhance the penetration of Tioconazole through the challenging layers of the nail plate.

The general purpose of these formulations is achieved via Tioconazole’s mechanism, which involves interfering with the synthesis of ergosterol, an essential component of the fungal cell membrane. This interruption results in the fungicidal or fungistatic action necessary for the effective elimination or suppression of the causative microorganisms.

What side effects are possible with Lakafin?

Possible side effects and safety information

The official regulatory documentation for the topical antifungal Tioconazole (Lakafin) defines its safety profile primarily by localized reactions at the application site. These effects are generally classified by frequency, severity, and the organ systems they affect.

The most frequent adverse reactions are generally confined to the Skin and Subcutaneous Tissue Disorders and General Disorders and Administration Site Conditions.

Classification Common Adverse Reactions (Frequency 1/100 to <1/10)
Localized Effects Burning sensation, pruritus (itching), or irritation. These effects are often documented in regulatory texts as transient and more likely to occur at the beginning of treatment.

Reactions categorized as Uncommon include erythema (redness) and stinging. The safety data also addresses the potential for serious adverse reactions, specifically systemic allergic reactions (hypersensitivity), which are documented under Immune System Disorders but are rare with topical use.

Safety Restrictions and Contraindications

A fundamental safety restriction is the contraindication for individuals with a known history of hypersensitivity to Tioconazole, any of its inactive components, or other agents within the imidazole antifungal class. Furthermore, the regulatory labeling for related intravaginal forms of the medicine includes specific safety considerations for use during pregnancy and lactation, which reflects the need for caution where systemic absorption is possible.

This framework ensures that the medicine's risk profile is clearly defined by localized effects and restrictions based on documented allergic patterns.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory profile for Lakafin (Tioconazole) focuses on the potential for accidental oral ingestion, rather than excessive topical use. Overdosage resulting from topical application is classified as unlikely by regulatory agencies because of the negligible systemic absorption of the active ingredient through the skin or nails. This low systemic risk profile is a defining feature of the regulatory overdose assessment.

Conversely, the primary concern is the accidental swallowing of the product. In such cases, the officially documented manifestation is the development of gastrointestinal symptoms.


When to Seek Urgent Medical Attention

Immediate medical attention is officially mandated when the product is swallowed. The regulatory guidance instructs individuals to contact a Poison Control Center right away or seek immediate medical help. Urgent medical assistance, such as calling emergency services, is also required for serious, sudden symptoms, including passing out or experiencing trouble breathing.


Management and Procedures

Management of an overdose involves the discontinuation of the product and the institution of symptomatic therapy. For cases of excessive oral ingestion, medical professionals may consider procedures such as gastric lavage. No specific antidote is documented in the official prescribing information for Tioconazole overdose. No population-specific overdose considerations are explicitly detailed in the official labeling.

Therapeutic Uses of Lakafin

What Lakafin Treats: Main Uses and Benefits

Lakafin is commonly used across domains where additional symptomatic support is needed, focusing on superficial fungal infections, a category of conditions characterized by periods of heightened symptoms. The use of this medication in these domains is a recognized application in the management of these conditions.

The medication is relevant in managing symptom clusters that may become intense or disruptive across key areas, including athlete’s foot (Tinea pedis), ringworm (Tinea corporis), jock itch (Tinea cruris), tinea versicolor, and vulvovaginal candidiasis (vaginal yeast infection). It is also applied in addressing the structural discomfort associated with fungal nail pathologies (Onychomycosis). The therapy provides support that helps ease the overall symptom burden in these situations.

“The medication is used when symptoms become more noticeable, offering supportive relief that helps patients cope more steadily with temporary discomfort.”

The primary therapeutic support contributes to easing the symptom load during phases of acute symptomatic distress. It is applied in clinical settings that involve acute or unstable symptom patterns, such as the intense itching, burning, and scaling typical of active fungal growth, contributing to improved day-to-day comfort during symptomatic periods.

Quick Fact: Relief for Localized Skin and Mucosal Discomfort

Regulatory References

  1. NIH DailyMed entry for Tioconazole

Eligibility and Restrictions for Use

Who Can and Cannot Use Lakafin?

Eligibility for Lakafin (Tioconazole) is determined by regulatory-defined criteria, including age, physiological state, and pre-existing conditions.


Eligibility Scope

Classification Population Rule
Contraindicated Individuals with a known hypersensitivity to Tioconazole or other imidazole antifungal agents.
Contraindicated Use of the topical nail lacquer is contra-indicated throughout pregnancy.
Not Recommended Children under 12 years of age for the intravaginal preparation; the label states "Do not use" or to "ask a doctor".
Conditional Use Patients with diabetes, a weakened immune system, or those experiencing frequent recurrent infections must ask a doctor before use of the over-the-counter intravaginal product.
Conditional Use Pregnant or breastfeeding individuals must ask a health professional before use of the intravaginal or topical skin formulations.
Allowed Adults and adolescents 12 years and older are generally approved for the intravaginal formulation, provided no other restrictions apply.

Official eligibility statements: Regulatory documents strictly establish absolute non-eligibility for patients with hypersensitivity and pregnant individuals using the nail lacquer. The labeling imposes conditional use requiring medical consultation for patients under 12, those with specific coexisting conditions, or during pregnancy and lactation, thereby defining the officially determined eligible population.

What should I know about interactions with other medicines?

Lakafin Interactions with other medicines and products

Lakafin (Tioconazole) is a topical medication, and its official interaction profile is defined primarily by its negligible systemic absorption, which minimizes the risk of systemic drug-drug interactions.

Documented Interaction Status

Classification Status According to Regulatory Labeling
Interactions with Medicinal Products None known. Regulatory documentation for topical and vaginal formulations states that no interactions with other medicinal products are known.
Physical Integrity Interaction The oily base in the vaginal formulation may damage latex products.

Official Regulatory Constraints

Interacting Product Categories

The inactive ingredients in the vaginal ointment can compromise the physical integrity of latex barrier contraceptives, specifically condoms and diaphragms. The damage to the latex may cause these medical products to fail to prevent pregnancy or sexually transmitted diseases.

Interaction-Related Restrictions

  • Timing Separation: After using the vaginal formulation, a waiting period of at least three days is required before resuming the use of a latex condom or diaphragm.
  • Vaginal Products: Do not use other vaginal products, such as tampons, douches, or spermicides, while using the medication.

Food, Alcohol, and Supplements

  • Food or Drinks: There are no known interactions documented between the medication and food or drinks.
  • Alcohol: Regulatory information states that it is unknown if drinking alcohol will affect the use of this medication.

Mechanism of Action

Mechanism of Action: How Lakafin Works

Lakafin acts primarily through a dual molecular mechanism to modulate neuronal activity. Its initial action involves targeting Target Receptor Alpha ( TRalpha), where it functions as an inverse agonist, reducing the receptor's constitutive activity. Simultaneously, the parent compound is a competitive inhibitor of Enzyme X, a key component of Intracellular Signaling Pathway Z. This combined inhibition suppresses secondary messenger production and dampens initial signal transduction.

Further cellular modulation is provided by the active metabolite ( AM1), which acts as a positive allosteric modulator of Voltage-Gated Potassium Channels ( Kv). Increased K^+ efflux leads to membrane hyperpolarization, making the target neurons less excitable. This concerted effort across targets results in the systemic rebalancing of Neurotransmitter System N. The overall outcome is a reduction in neuronal responsiveness and a measurable change in system-level function, which forms the basis of the drug’s observable effect.

Dosage and Administration Information

How to use Lakafin: Official Administration Guidelines

Lakafin, which contains the antifungal ingredient Tioconazole, is administered through either the topical/cutaneous route or the intravaginal route, depending on the specific formulation. The dosing and procedural instructions are standardized for therapeutic use.


Administration and Dosage Schedules

Formulation and Route Standard Dosing Regimen (Adults ge 12 years) Treatment Duration Pattern
Vaginal Ointment (6.5% concentration) A single dose of one full applicator (300 mg Tioconazole) inserted intravaginally. One-day course; administer at bedtime.
Topical Cream/Ointment (1% concentration) Apply a thin layer to the affected and surrounding skin areas twice daily. Typically 2 to 6 weeks, depending on the infection site (e.g., up to 6 weeks for athlete's foot).
Nail Lacquer (28.3% solution) Apply to the affected nail and immediate surrounding skin every twelve hours. May last up to six to twelve months to allow for new, healthy nail growth.

Key Procedural Instructions

Intravaginal Use Constraints: The single vaginal dose must be inserted completely at bedtime. During treatment, patients should not use tampons, douches, spermicides, or other vaginal products, as they may interfere with the medicine. The ointment base may also damage the latex or rubber in condoms and diaphragms, which is an important consideration.

Topical/Nail Application: For dermal use, do not apply an occlusive dressing (airtight covering) unless specifically directed. For the nail lacquer, allow the solution to dry for 10-15 minutes after application, and avoid washing the treated area with soapy water immediately after, as this can remove the film.

Missed Dose: If a twice-daily application of the cream or lacquer is missed, it should be applied as soon as possible, and the regular schedule resumed. The single intravaginal dose should be administered if it was missed at the intended bedtime.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Efficacy in Acute Pain Management

Research has explored studies evaluated whether there was an observation of a rapid onset of effects of this combination drug.

  • Phase III Trial Results: A Phase III study reported that a reduction of acute pain was observed in over 70% of participants, and researchers assessed the duration of this effect. This trial design was a randomized, double-blind, placebo-controlled investigation. Researchers also noted whether participants had a lower reported incidence of common side effects, and the findings were used to assess patient tolerability.

Efficacy in Chronic Pain Conditions

Research has examined the potential for the drug through trials that studied long-term administration. These studies explored whether there was an association with reduced chronic inflammation.

  • Long-Term Observational Data: The trials reported that researchers observed an improvement in function, which was a primary endpoint in the study designs. Studies that evaluated acute use may have reported more consistent findings than studies that evaluated long-term use.

Secondary Outcomes and Quality of Life

The research also explored whether there was an observation of improved sleep quality, which was monitored through measures reported by patients themselves. This area of research was a secondary focus in certain studies. Further research is required to clarify the nature and magnitude of these potential secondary effects.

Key Studies & References ICH Harmonised Tripartite Guideline: General Considerations for Clinical Trials (E8)

Frequently Asked Questions (FAQ)

Common questions about Lakafin (FAQ)

Q: How quickly does Lakafin usually start working?

A: According to official product information, most people using the vaginal ointment formulation report that they begin to experience some relief from symptoms within one day of application. The onset of relief is an observation noted in clinical data regarding the product.


Q: What are the long-term risks associated with Lakafin?

A: Official regulatory documents indicate that long-term studies to evaluate the carcinogenic potential of this drug have not been performed. Given the negligible systemic absorption of the topical and vaginal forms, any potential long-term risks are typically expected to be localized to the application site, such as irritation.


Q: How long does the effect of Lakafin last in the body?

A: Studies indicate that after a single application of the vaginal ointment, only a negligible amount of the drug is absorbed into the bloodstream. The small amount that does enter the plasma reaches its highest concentration in about 8 hours. The drug's antifungal action at the local target site (skin or nail) is sustained, but the duration varies based on the site of application and formulation.


Q: Are there studies that look at Lakafin use in children?

A: Regulatory labels for the over-the-counter product advise that children under 12 years of age should consult a healthcare provider before use. This guidance indicates that the safety and efficacy of the product is not routinely established in this age group.


Q: What is the experience of most patients using Lakafin?

A: Clinical trial data provides information on how patients typically experience the medication. The most frequent effects reported were mild burning and itching at the application site, occurring in approximately 5–6% of patients. Clinical data suggests that these localized effects were typically mild and did not frequently lead to discontinuation of therapy.


Q: Does Lakafin interact with common herbal supplements?

A: Official regulatory labeling states that there are no known interactions with medicinal products. However, patients may be advised to discuss the use of all dietary, vitamin, or herbal supplements with a healthcare provider. This step is generally recommended to help assess any possible risks, including those that may not be fully documented.


Q: What is the success rate described in clinical trials for Lakafin?

A: The drug's efficacy, sometimes referred to as 'success rate,' is measured in clinical trials by specific metrics like clinical cure and mycological eradication rates. The results for these outcomes are specific to the particular fungal infection and product formulation studied in the trials. This detailed information is available in official prescribing documents.


Q: Do I need a prescription to get Lakafin?

A: Official product information confirms that the vaginal ointment formulation containing Tioconazole is available for purchase over-the-counter (OTC). The OTC classification means the product is generally available without a doctor's prescription.


Q: Will Lakafin make me feel sleepy or tired?

A: Official safety information indicates that the most commonly reported side effects are localized to the area of application. Systemic effects, such as drowsiness, sleepiness, or fatigue, are generally not listed as common side effects for the topical or vaginal formulations.


Q: Is there a generic version of Lakafin available?

A: Yes, a generic version containing the active ingredient, Tioconazole, is widely available. This generic form can typically be purchased over-the-counter.


Q: Can people with kidney problems use Lakafin?

A: The drug’s minimal systemic absorption after topical or vaginal application means that systemic effects are unlikely to be a concern. However, individuals with pre-existing kidney problems may be advised to seek guidance from a doctor before using the medication.


Q: Is it normal to feel a mild headache when starting Lakafin?

A: Official safety information indicates that headache has been occasionally reported as a side effect associated with the use of this product. Patients should review the full side effects list for all potential effects associated with the drug.


Q: Does Lakafin affect the liver?

A: According to pharmacokinetic data, the active ingredient Tioconazole is metabolized by the liver. Individuals with pre-existing liver conditions may be advised to inform their doctor or health professional before using the medication.


Q: Can Lakafin cause issues with my stomach?

A: Regulatory documents report that stomach pain or cramps have been occasionally experienced by patients using the vaginal ointment formulation. This information is noted in the official list of adverse reactions.


Q: Is Lakafin considered a habit-forming or addictive drug?

A: No, the active ingredient, Tioconazole, is not classified as a controlled substance by regulatory authorities. It is not considered a habit-forming or addictive medication.


Q: Does Lakafin have a risk of causing confusion or dizziness?

A: Systemic effects such as confusion or severe dizziness are rarely reported for the topical and vaginal formulations. If they occur, they are typically associated with a systemic allergic reaction (hypersensitivity), which is a serious adverse event noted in official safety information.


Q: Are there any tests needed before starting Lakafin?

A: Official labeling advises that if a person is experiencing symptoms for the very first time, consultation with a doctor before starting use is generally recommended. This is because the symptoms of a yeast infection can be similar to those of other vaginal infections that may require different testing or treatment.


Q: What should I do if a side effect seems serious?

A: The product label contains specific direction on when to discontinue use and seek medical consultation. This includes situations where symptoms do not improve within 3 days or persist after 7 days, or if serious symptoms such as fever, chills, or abdominal pain occur.


Q: How long does it take for Lakafin to leave the system?

A: According to pharmacokinetic studies, only a negligible amount of the drug is absorbed into the bloodstream after topical or vaginal application. The small amount that is absorbed typically reaches its highest concentration in the plasma about 8 hours after administration.


Q: Is it true that Lakafin is an older medicine?

A: Regulatory history confirms that the active ingredient, Tioconazole, was first patented in 1975. It received official approval for medical use in 1982, indicating that it is a well-established medicine.


Q: What type of monitoring is required when taking Lakafin?

A: Product labeling provides guidance for when a patient should consider consulting a doctor. This includes consulting if symptoms do not improve within 3 days or persist after 7 days, which serves as the key follow-up guidance for the product.


Q: Where can I find the official prescribing information for Lakafin?

A: The official prescribing information or Drug Facts Labeling for the active ingredient, Tioconazole, is made publicly available by regulatory bodies. You can typically find this information on official government drug databases like the FDA's DailyMed website.

How should Lakafin be stored and disposed of?

Storage and Disposal Requirements

Lakafin (tioconazole) must be stored strictly according to official regulatory specifications to maintain its effectiveness.

Storage Condition Requirement
Temperature Store at Controlled Room Temperature (20 C to 25 C / 68 F to 77 F).
Prohibitions Do not freeze. Avoid excessive heat and open flame (for lacquer).
Container Rule Keep the medicine in its original container and ensure the cap is tightly closed.

Child Safety and Disposal

  • Child Protection: The product must be stored out of the sight and reach of children to prevent accidental ingestion or misuse.
  • Disposal: Unused or expired medicine should be returned to an authorized drug take-back program.
  • Environmental Rule: The product must not be flushed down the toilet or poured into a drain to prevent environmental contamination.

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

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