Canazol

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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 Canazol

Property Description
Active ingredient Clotrimazol
Form Cream, solution, vaginal tablet (topical formulations)
Pharmacological class Antifungal (Azole derivative)
General purpose Control and elimination of superficial fungal infections
Origin Synthetic

What Type of Medicine is Canazol and What is its Composition?

Canazol is a specific pharmaceutical preparation whose identity is defined by its single active ingredient, Clotrimazol. This drug is classified as a synthetic antifungal agent, placing it within the imidazole sub-class of azole derivatives. The Clotrimazol molecule is a synthetic compound, and its broad-spectrum activity is recognized for its effectiveness against common fungal pathogens. Clotrimazol is defined as an imidazole antifungal. This indicates that the medication is designed to specifically target and fight fungal and yeast infections.

The pharmacological class of azole derivatives includes other similar substances, but Canazol is presented as a focused, single active ingredient product. This composition maintains a stable and consistent profile as a foundational treatment.

Canazol Forms, Vehicle, and General Purpose

Canazol is primarily structured as a localized treatment for fungal infections, reflecting its intended topical and vaginal route of administration. The drug is manufactured in various dosage forms, including a cream base, solution base, and specialized vaginal tablet or powder formulations. The choice of base/vehicle ensures the Clotrimazol is delivered directly to the infection site; systemic absorption through intact skin is generally negligible. This confirms the medication’s action is intended to be focused on the area of application.

The general purpose of this medication is the direct control and elimination of the causative fungal organisms responsible for mycoses. The medication acts to resolve these infections by targeting and disrupting the growth and survival of the fungal agent.

Regulatory References

  1. Clotrimazole Topical: MedlinePlus Drug Information
  2. Clotrimazole - StatPearls (NCBI Bookshelf)

What side effects are possible with Canazol?

Possible Side Effects and Safety Information

The safety profile of Canazol (Clotrimazol) is characterized by a high incidence of localized reactions, which is consistent with its topical and vaginal routes of administration and minimal systemic absorption. Due to reliance on spontaneous post-marketing surveillance, the official frequency for most adverse effects is generally classified as not known by regulatory authorities.


Adverse Reactions by System Organ Class

Adverse effects listed in official regulatory documents are primarily grouped within the following systems:

  • Skin and Subcutaneous Tissue Disorders: Includes localized reactions such as blistering, peeling, pruritus (itching), erythema (redness), rash, irritation, and stinging or burning sensations.
  • Reproductive System and Breast Disorders: Includes vulvovaginal pain, discomfort, discharge, and burning sensation associated with vaginal use.
  • Immune System Disorders & Vascular Disorders: These classes document the potential for serious hypersensitivity reactions, including anaphylactic reaction, angioedema, syncope (fainting), and hypotension (low blood pressure).

Regulatory Safety Constraints

Hypersensitivity to Clotrimazol or other imidazole antifungals is a formal contraindication documented in the product labeling. Furthermore, the base used in some vaginal formulations may cause damage to latex contraceptive devices (such as condoms and diaphragms), potentially leading to reduced effectiveness. The medicine is also restricted as not for ophthalmic use.


Population-Specific Safety

Official labels state that use during pregnancy and lactation is permissible but should occur only under the supervision of a physician or midwife, reflecting the drug's minimal systemic absorption. Some formulations may have restrictions for use in young children, but generally, different side effects are not expected in the pediatric or geriatric populations than those seen in adults.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory documentation for Canazol (Clotrimazol), which is formulated for topical and vaginal use, indicates that acute overdosage resulting from excessive application is not expected to cause acute intoxication.

This low risk of severe systemic toxicity is based on the minimal absorption of the active ingredient into the bloodstream following the intended route of administration. Regulators emphasize that this overdose is not expected to lead to a life-threatening situation.

The primary focus of overdose information is the scenario of accidental oral ingestion of the product, such as swallowing a vaginal tablet or topical solution. Clinical manifestations that may become apparent following accidental oral ingestion include dizziness, nausea, and vomiting.


Official Regulatory Actions

Action Area Requirement Statement
Immediate Help Required Contact your doctor or nearest hospital emergency department immediately for advice following accidental oral ingestion.
Antidote Availability No specific antidote is known for this medication.
Supportive Management Treatment is generally symptomatic and supportive. Gastric lavage may be considered only if clinical symptoms become apparent and the airway can be adequately protected.

Official labeling mandates that emergency medical attention or contacting a Poison Help line must occur when accidental oral ingestion has taken place.

Therapeutic Uses of Canazol

What Canazol Treats: Main Uses and Benefits

Canazol is commonly used across conditions characterized by periods of heightened symptoms related to fungal growth on the skin. These conditions include the common dermatomycoses such as Athlete's foot (Tinea pedis), Ringworm (Tinea corporis), and Jock itch (Tinea cruris). This topical formulation may be part of symptomatic management for these and other cutaneous candidiasis (skin yeast infections), as well as vulvovaginal candidiasis (thrush).

It is relevant in conditions involving inflammatory or irritative processes where symptoms create noticeable functional strain. The medication is applied in scenarios where additional management of discomfort is required to address symptom clusters that may become intense or disruptive, particularly persistent itching, burning, soreness, and redness. Use of Canazol provides support that helps ease the overall symptom burden and assists with maintaining functional stability when symptoms interfere with routine activities.

Quick Guide: Relief for Irritation and Pruritus

Supportive Relief in Specific Clinical Contexts

Canazol is relevant when supportive symptom management is appropriate to address the most distressing manifestations of a fungal infection. Often used during phases when symptoms become more noticeable, it contributes to improved comfort during symptomatic periods. It is relevant for managing the symptomatic relief associated with the infection, which helps patients cope more steadily with symptom fluctuations as part of the overall management plan.

Regulatory References

  1. U.S. National Library of Medicine's MedlinePlus overview

Eligibility and Restrictions for Use

Who Can and Cannot Use Canazol?

The official eligibility for Canazol (Clotrimazol, topical and vaginal forms) is strictly defined by regulatory documents, focusing on absolute contraindications and population-specific restrictions.


Absolute Contraindications and Non-Eligibility

Canazol is contraindicated for any individual with a known hypersensitivity or allergy to clotrimazole or to any of the non-medicinal ingredients (excipients) in the specific formulation.

For vaginal formulations, use is contraindicated if the patient is simultaneously using latex barrier contraceptives (condoms or diaphragms), as the drug may cause damage and compromise their effectiveness.

Age and Physiological Restrictions

The topical cream or solution is not recommended for use in children under 2 years of age unless directed by a physician. Vaginal forms are typically not for use in patients under 16 years in several regulatory regions.

Use during pregnancy is conditional; during the first trimester it should only occur if clearly indicated by a physician. Caution is advised for nursing women, and some regulatory labels suggest that breastfeeding may need to be discontinued during treatment.

Excluded Applications

The medicine must not be used on the eyes (not for ophthalmic use) and is documented as ineffective for deep fungal nail infections (Onychomycosis).

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official regulatory documents define the interaction profile of Canazol primarily based on its minimal systemic absorption when used topically or vaginally. This low exposure significantly limits the documented potential for many systemic drug-drug interactions.

Interaction Category Documented Interacting Entities
Exposure-Modifying Substances Tacrolimus, Sirolimus (Oral Immunosuppressants)
Physical Non-Drug Products Latex Contraceptives (Condoms, Diaphragms)

The most relevant official statements relate to the vaginal formulation. Co-administration with the oral immunosuppressants Tacrolimus or Sirolimus might lead to a pharmacokinetic interaction resulting in a measured increase in the plasma levels of these co-administered products. This outcome officially requires the close monitoring of the patient.

A non-drug interaction requires specific separation: The excipients in the vaginal formulation may cause damage to Latex Contraceptives, which officially results in the reduction of the contraceptive device’s integrity and safety. Regulatory labeling mandates the use of alternative precautions for at least five days following the use of the vaginal product to ensure that contraceptive protection is maintained. No formal drug-drug combinations are designated as strictly contraindicated in official labeling.

Mechanism of Action

The Mechanism of Canazol

Canazol exerts its action by functioning as a selective inhibitor of the fungal enzyme lanosterol 14 alpha-demethylase (CYP51). This enzyme is essential for the conversion of lanosterol into ergosterol, the principal sterol required for maintaining the structure and function of the fungal cell membrane. The specific interaction with CYP51 halts the ergosterol synthesis pathway, resulting in two key intracellular consequences.

First, the absence of ergosterol compromises the integrity and permeability of the cell membrane. Second, toxic intermediate sterols, primarily 14-methylated sterols, accumulate within the cell cytoplasm. This dual mechanistic cascade of structural disruption and internal poisoning leads to the cessation of fungal cell growth and subsequent cellular death. This targeted mechanism mediates the elimination of the invasive organism and contributes to the reduction of the fungal cell population in the affected system.

Dosage and Administration Information

The usage of Canazol is defined by its two primary official administration routes: topical (applied to the skin) and intravaginal (for localized application). The medicine is available as a 1% cream or solution for topical use, and in various strengths of tablets or creams (e.g., 100 mg, 500 mg) for intravaginal use.

Topical Administration

For dermal infections, the standard regimen requires applying a quantity sufficient to cover the affected area and the surrounding skin twice daily. As a preparation requirement, the application site must be washed and thoroughly dried before each use. The official course duration varies based on the condition being addressed, ranging from a minimum of 2 weeks to a duration of 4 weeks for most common infections, and up to 8 weeks for persistent conditions like Tinea pedis.

Intravaginal Administration

The intravaginal administration is structured around fixed courses, such as a single 500 mg dose, a 3-day course, or a 7-day course. These regimens are administered once daily, with the application preferentially performed at bedtime as a special procedural condition. If a dose is missed, standard protocol suggests applying it as soon as remembered, unless it is nearly time for the next scheduled application, in which case the missed dose should be skipped.

Age-Specific Rules

Official labeling specifies that topical dosing for children over 3 years of age is similar to the adult regimen. The full, mandated duration of the treatment course must be completed, defining the standardized protocol for the drug's use.

Recent Clinical Evidence

Canazol: Recent Clinical Evidence

Evidence for Common Fungal Infections

Research examining Clotrimazol (Canazol's active ingredient) for common skin fungal infections (dermatomycoses, such as Athlete's foot, Ringworm, and Jock itch) relies on short-term randomized controlled trials (RCTs) and systematic reviews. These studies explored mycological cure (fungal clearance) and clinical cure (resolution of visible signs). Findings describe patterns related to measured mycological clearance and symptom evolution (like changes in itching and redness) over treatment periods typically lasting a few weeks. Research has explored outcomes related to physical discomfort. Long-term outcomes regarding sustained absence of infection are not consistently characterized, and data for immunocompromised conditions remains insufficient.


Evidence for Yeast Infections

Research into the use of Clotrimazol for localized skin yeast infections (cutaneous candidiasis) involves RCTs and meta-analyses, focusing on topical application and the concurrent changes in yeast presence. Studies monitored outcomes related to mycological clearance and the measured rate of resolution of skin lesions. For vaginal thrush (vulvovaginal candidiasis), evidence stems from RCTs evaluating cure rates and recurrence patterns, predominantly in non-pregnant adult women with uncomplicated episodes. Comparative evidence is lacking for direct comparison against all contemporary topical antifungal agents.


Uncertainty and Limitations

Across the entire research landscape, a key limitation is that follow-up durations were limited in many trials, resulting in insufficient data on long-term effects and prevention of recurrence over extended periods. While Clotrimazol was evaluated in some pediatric groups, subgroup findings are uncertain for specific populations, such as those with underlying health issues. Research provides insight into short-term changes, but does not determine whether an individual in a high-risk group will experience the same patterns observed in the general population.

Key Studies & References

  1. Clotrimazole - StatPearls - NCBI Bookshelf
  2. Efficacy of topical antifungal drugs in different dermatomycoses: a systematic review with meta-analysis

Frequently Asked Questions (FAQ)

Common questions about Canazol (FAQ)


Q: How does Canazol compare to [Similar Drug] in terms of its purpose?

Official documents classify Canazol as an Azole derivative antifungal agent. Its purpose is described as being for the control and resolution of superficial fungal infections, which aligns with other medicines in this class. These drugs share a common mechanism of action against fungal cell growth.


Q: What is the typical time frame before the effects of Canazol are noticed?

Research studies examine the evolution of symptoms, such as changes in itching and redness, over the course of the short-term treatment periods. While the full course duration can take several weeks, the research evidence focuses on symptom resolution throughout this time.


Q: Are there any long-term health concerns associated with Canazol use?

Official research data notes a limitation in the follow-up durations for many clinical trials. As a result, there is currently insufficient data to fully characterize the effects of Canazol over extended periods. This lack of long-term data on sustained absence of infection is noted as a key limitation in the research landscape.


Q: What is the difference between Canazol and a similar drug, regarding how they work?

The mechanism of Canazol is described as inhibiting a key fungal enzyme that stops the production of ergosterol, the main fungal cell membrane component. Official documents indicate that this specific action is characteristic of the Azole antifungal class of medicines.


Q: Is Canazol widely studied in diverse patient populations?

Studies have included randomized controlled trials predominantly focused on non-pregnant adult women for vaginal use and some pediatric groups for topical use. However, official documents note that findings remain uncertain for specific populations, such as those with underlying health issues, who may not experience the same patterns observed in the general population.


Q: What are the reasons why a person might have to stop taking Canazol?

A person might stop taking the medicine after completing the full, mandated duration of the treatment course. Use of the medicine is formally restricted or contraindicated when conditions such as a known hypersensitivity or allergic reaction to the active ingredient are identified.


Q: What kind of monitoring might be needed while taking Canazol long-term?

Routine systemic monitoring is not typically specified for topical and vaginal use due to the drug's minimal systemic absorption. Close monitoring is officially required only if the vaginal formulation is co-administered with specific oral immunosuppressants, such as Tacrolimus or Sirolimus.


Q: Is Canazol used for conditions other than the main ones listed?

Official documentation strictly defines the purpose of Canazol as the control and elimination of superficial fungal infections (mycoses). The medicine is documented as being ineffective for deep fungal nail infections (Onychomycosis).


Q: Does Canazol cause changes in sleep patterns?

Changes in sleep patterns are not listed as a common or isolated adverse effect in regulatory documents. However, drowsiness and dizziness are documented as potential signs that may accompany a serious, rare hypersensitivity reaction.


Q: What kind of stomach issues are commonly reported with Canazol?

Gastrointestinal issues are not listed among the commonly reported side effects for the topical and vaginal formulations. The low systemic absorption of the drug associated with these routes limits systemic adverse effects.


Q: Can Canazol affect my ability to drive or operate machinery?

While official safety information does not contain a specific warning regarding operating machinery, very rare and serious hypersensitivity reactions, such as syncope (fainting) and episodes of low blood pressure, are documented.


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

When used topically on intact skin, the systemic absorption of Canazol is described as negligible. For the vaginal formulation, approximately 5% to 10% of the dose is absorbed, and fungicidal concentrations can persist locally for up to three days after application.


Q: Are there specific food restrictions while taking Canazol?

The official regulatory documents do not define any specific food restrictions. The potential for systemic interactions is described as significantly limited due to the minimal systemic absorption of the drug from its topical and vaginal routes.


Q: Does Canazol interact with common over-the-counter pain relievers?

Official documents only list interactions with the oral immunosuppressants Tacrolimus and Sirolimus, and Latex Contraceptives. The drug's low systemic absorption is described as limiting the potential for documented interactions with common systemic over-the-counter medicines.


Q: If I am taking daily supplements, should I be concerned about interactions with Canazol?

The official regulatory documents define the interaction profile of Canazol primarily by its very low systemic absorption. Only two systemic drug interactions, Tacrolimus and Sirolimus, are documented in the labeling due to pharmacokinetic risk.


Q: Are there any warnings about combining Canazol with alcohol?

Official regulatory documents do not contain any specific warnings regarding the combination of Canazol with alcohol. The drug's low systemic absorption from topical and vaginal use significantly limits systemic interactions.


Q: I've heard Canazol can cause drowsiness—is this a temporary side effect?

Drowsiness is not listed as a common adverse effect in official documentation. Dizziness is documented as a potential symptom that may accompany a rare, serious hypersensitivity reaction.


Q: Does Canazol interact with herbal products like St. John's Wort?

Official regulatory documents only specify interactions with Tacrolimus, Sirolimus, and Latex Contraceptives. The interaction profile is limited by the minimal systemic absorption from topical and vaginal routes.


Q: What is the non-directive guidance for use alongside caffeine?

Official regulatory documents do not specify non-directive guidance for use alongside caffeine. The drug's low systemic absorption limits its interaction potential with commonly consumed substances.


Q: Can Canazol be used by people with kidney issues, according to official information?

Kidney issues are not listed among the absolute contraindications for Canazol. Regulatory information notes that the drug’s minimal systemic absorption from topical and vaginal use limits systemic exposure and potential risk to internal organs.


Q: If I have a history of [common mild condition], am I allowed to take Canazol?

Official labeling lists only hypersensitivity to the ingredients, simultaneous use of latex contraceptives, and certain age restrictions as formal contraindications. The drug's use is generally restricted only by these documented criteria.


Q: Does Canazol have a black box warning in the US regulatory documents?

Official US Food and Drug Administration (FDA) regulatory records do not contain a black box warning for the topical and vaginal formulations of the drug.


Q: What do official sources say about taking Canazol with food?

Official documents do not contain any specific guidance regarding the use of Canazol with food. The potential for systemic interaction is limited by the minimal systemic absorption of the drug.


Q: Does Canazol interact with birth control pills?

The only listed contraceptive interaction is with latex barrier devices (condoms or diaphragms). Due to the drug’s minimal systemic absorption from the topical and vaginal routes, the potential for systemic interaction with oral birth control pills is considered limited.


Q: Is Canazol generally described as a well-tolerated drug?

Official safety data describes the profile of Canazol as being characterized by a high incidence of only localized reactions. This is consistent with its intended routes of administration and minimal systemic absorption.


Q: Is Canazol safe for people with known liver problems?

Liver problems are not listed among the absolute contraindications for the topical and vaginal forms of Canazol. Regulatory information notes that the minimal systemic absorption of the drug from these routes limits systemic exposure and potential risk to the liver.


Q: Has Canazol been subject to any official safety alerts or recalls?

The US Food and Drug Administration (FDA) has publicly determined that related products containing this active ingredient were not withdrawn from sale for reasons of safety or effectiveness. Public records are available for review.

How should Canazol be stored and disposed of?

Storage and Disposal Requirements for Canazol

Canazol (clotrimazole) must be stored and handled according to regulatory standards to maintain its quality and efficacy, consistent with official labeling.


Official Storage Conditions

  • Temperature: Store this medicine at a temperature below 30 C.
  • Environmental Protection: The product requires protection from direct sunlight and moisture and should be kept in a cool, dry place.
  • Child Safety: It is mandatory to keep Canazol out of the sight and reach of children.
  • Stability: Do not use the medicine after the expiry date printed on the packaging.

Disposal Instructions

Disposal of unused or expired Canazol must comply with local requirements. Medicines must not be discarded via wastewater or household waste. Consult a pharmacist for guidance on proper disposal to help protect the environment.

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

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