Clotrimazole
Clotrimazole

7.79
Clotrimazole is a topical antifungal medication used to treat various external skin and vaginal yeast infections.


Ingredient
Category
Availability
In Stock
Delivery
Airmail (14-21 days) | EMS trackable (5-9 days)
Product is shipped in a fully discreet envelope with no content disclosure, including all required documentation inside

Product Sheet

Active Ingredient(s)
Clotrimazole
Reference Brand
Clotrimazole
Product Origin
Generic Product
Reference Manufacturer
Bayer
Product Form
Cream, Lotion, Troche
Regulatory Classification
OTC
Primary Category
Antifungals
Product Category
Azole antifungal
Pharmacological Class
Imidazole
Clinical Indications
Athlete's foot, Jock itch, Yeast infections
Manufacturer Description
Clotrimazole is a topical antifungal medication used to treat various external skin and vaginal yeast infections.
Mechanism of Action
Clotrimazole inhibits the synthesis of ergosterol, a vital component of fungal cell membranes, causing the membranes to break down and stopping fungal growth.
Route of Administration
Topical
Onset Time
Variable
Duration
6–12 hours
Contraindications
Known sensitivity to azole antifungals
Severe Adverse Events
Severe contact dermatitis
Common Side Effects
Itching, Burning, Redness at site
Uncommon Side Effects
Stinging, Skin blistering, Swelling
Pregnancy Safety Warnings
Consult your doctor if expectant or breastfeeding.
Storage Guidelines
Store at room temperature.
Related Products
Miconazole, Ketoconazole

Clotrimazole FAQ

Can clotrimazole be used on fungal infections of the scalp?

Topical clotrimazole is generally not recommended for scalp infections because hair impedes adequate contact with the skin. Scalp fungal conditions are usually treated with medicated shampoos or systemic therapy.

Does the 15 g tube contain a specific concentration of clotrimazole?

In Hong Kong, clotrimazole topical tubes are typically formulated at 1 % (w/w) concentration, providing a standard amount of active drug per gram of cream.

Is it safe to use clotrimazole while pregnant?

Clotrimazole is classified as Category B; it is considered low risk but should be used only when clearly needed and after discussing with a healthcare professional.

Will clotrimazole interact with oral antifungal medications?

Because clotrimazole is applied topically, systemic interaction with oral antifungals is minimal. However, using multiple topical agents on the same area may increase local absorption.

Can clotrimazole be applied under a bandage?

Occlusive dressings can increase drug absorption and may cause irritation. Use only if specifically directed by a clinician.

How long does a 15 g tube typically last?

Usage varies with the size and number of lesions, but most patients finish a 15 g tube within 2-3 weeks when applying 2-3 times daily.

Is clotrimazole effective against nail fungus?

Topical clotrimazole has limited penetration into the nail plate, making it less effective for onychomycosis. Oral antifungals are usually preferred for nail infections.

What should I do if I accidentally get clotrimazole in my eyes?

Immediately rinse the eye(s) with plenty of clean water for several minutes and seek medical attention promptly.

Are there any special considerations for diabetic patients?

Diabetic patients may have slower skin healing; they should monitor treated areas for signs of infection or delayed resolution and report concerns to their clinician.

Can clotrimazole be used on animals?

Veterinary formulations of clotrimazole exist, but human products should not be applied to pets without veterinary advice.

Fungal Inhibitory Mechanisms

Inhibiting the synthesis of ergosterol, Clotrimazole disrupts the structural integrity of fungal cell membranes. This disruption prevents the proliferation of fungi, effectively managing common localized infections. As a synthetic imidazole derivative, this active compound is a staple in dermatological and gynecological care within Hong Kong, appearing in various formulations like Canesten.

The substance demonstrates broad-spectrum activity against various yeasts and dermatophytes. By altering the permeability of the pathogen's cell wall, it induces an environment where the organism is unable to sustain cellular function. This pharmacological action serves to minimize the expansion of fungal colony growth on the skin or mucosal surfaces.

Delivery Systems and Product Variations

Formulations containing Clotrimazole generally present as topical creams, sprays, lotions, or vaginal inserts. Within the Hong Kong pharmacy sector, this ingredient appears in a variety of products, ranging from widely recognized branded versions to generic labels. While the active concentration of the ingredient remains consistent across these options, the vehicle-the base substance holding the API-may differ, affecting how the product absorbs into the skin or mucosa.

Patients often find the substance in preparations designed to target specific surface areas. Understanding that different physical forms serve unique therapeutic purposes is essential for proper administration. Regardless of the manufacturer, the clinical objective of the API remains identical: local stabilization of the affected site.

Clinical Indications

The application of this compound is typically associated with the following conditions:

  • Tinea pedis (athlete's foot)
  • Tinea corporis (ringworm)
  • Candidal vulvovaginitis
  • Tinea cruris (jock itch)
  • Cutaneous candidiasis

Populations ranging from active adolescents to older adults frequently employ this ingredient to manage persistent itching, redness, and inflammation caused by fungal colonization. It is utilized primarily for external and mucosal symptoms where a localized antifungal effect is required.

Interaction with Pathogen Cells

Working at the cellular level, the compound binds to fungal enzymes responsible for constructing the cell membrane. By preventing the creation of essential lipids, the substance weakens the pathogen's protective barrier. This process eventually leads to the cessation of growth, allowing the underlying tissue an opportunity to recover from the irritation caused by the infection. The mechanism remains localized, focusing activity on the surface layer rather than systemic distribution.

Safety and Cautionary Framework

Common Reactions

Users may occasionally report mild site-specific sensations such as transient burning, itching, or redness. These generally subside as the body adjusts, provided the application remains consistent with product guidelines.

Serious Reactions

Instances of severe hypersensitivity, characterized by widespread blistering, swelling, or signs of an allergic systemic response, require immediate clinical attention. Although rare, any respiratory difficulty or significant escalation in site irritation should be treated as a priority.

Contraindications

Individuals with a documented history of severe sensitivity to imidazole compounds should avoid products containing this ingredient. Women who are pregnant or breastfeeding require extra care and should exercise prudence before using this compound, as systemic absorption profile nuances may change based on the specific formulation.

Interaction Awareness

While topical application limits systemic absorption, users must be aware that certain concurrent pharmaceutical substances or personal care products may alter the efficacy of the application. Always refer to the specific patient information leaflet included with your medication to identify potential interactions with other chemicals, materials like latex contraceptives, or existing skin treatments.

Treatment Context and Considerations

Storage environments for products containing Clotrimazole should be cool and dry, away from direct sunlight, to maintain the stability of the compound. Duration of use is highly variable, depending on the severity of the symptoms and the specific site of application; completing the full course as recommended is necessary to manage the site effectively, even if symptoms decrease earlier. For detailed usage, dosing, and administration, refer to the specific medication's clinical information.

Pharmacology Glossary

Ergosterol
A vital sterol component of fungal cell membranes that maintains membrane fluidity and integrity.
Dermatophyte
A genus of fungi that requires keratin to thrive and is commonly responsible for surface-level skin infections.
Imidazole
A class of organic compounds characterized by a five-membered ring that serves as the foundation for various antifungal agents.

Clinical Safety Disclosure

This educational summary explores the characteristics of Clotrimazole and does not constitute professional medical advice or a diagnosis. Various medications such as Canesten present this API in unique formulations with specific concentrations and administration requirements, which may differ from one another. We disclaim all liability for any clinical application or outcome arising from the use of this information. Always review the labeling on your specific package and consult a licensed healthcare professional for personalized guidance regarding your health.

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