Caldesene

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Caldesene

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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 Caldesene

Property Description
Active ingredient Undecylenic Acid (and often Zinc undecylenate)
Form Cutaneous powder, topical cream, ointment
Pharmacological class Topical Antifungal Agent (Fungistatic)
Common use Management of superficial fungal infections
Origin Derived (from unsaturated fatty acid sources, e.g., castor oil)

What Type of Medicine is Caldesene?

Caldesene is an established topical pharmaceutical preparation classified as an over-the-counter (OTC) medicine intended for the Topical route of administration. The product is categorized as a Topical Antifungal Agent (ATC code D01AE04). Its principal active ingredient, Undecylenic Acid (10-undecenoic acid), is an unsaturated fatty acid that is derived from natural sources such as castor oil. This established origin contributes to the drug’s long-standing use profile for external applications.

Composition and Available Forms

The formulation is often a combination product, pairing Undecylenic Acid with Zinc undecylenate to provide a distinct, enhanced action. Zinc undecylenate provides an astringent and protective function, which assists in reducing moisture in the application area. This is a key differentiating feature, particularly in the product's primary form. Caldesene is supplied in several dosage forms, including a widely recognized cutaneous powder formulation which uses a talc-based vehicle structured for superior moisture absorption, as well as cream and ointment preparations.

How Undecylenic Acid Provides a General Therapeutic Benefit

The general therapeutic purpose of this medicine is to manage superficial dermal fungal infections by controlling the spread of the causative organisms. The underlying mechanism principle is fungistatic, meaning Undecylenic Acid works primarily by inhibiting the growth and proliferation of fungi, rather than instantly destroying the cells. The overall therapeutic benefit involves effective control of the fungal population alongside the reduction of associated moisture, creating a supportive environment for skin recovery.

What side effects are possible with Caldesene?

Possible Side Effects and Safety Information

The official safety documentation for topical Undecylenic Acid and Zinc Undecylenate preparations (often sold as Caldesene) outlines a profile of primarily localized reactions. Adverse effects are officially classified within the Skin and Subcutaneous Tissue Disorders system-organ class, reflecting the product's method of administration and minimal systemic absorption.

Documented Adverse Reactions

The most frequently referenced adverse effects listed in regulatory materials are localized in nature. These may include irritation, a stinging or burning sensation, erythema (redness), and pruritus (itching). The potential for contact dermatitis (including allergic type reactions) is also acknowledged. The regulatory documentation for this established Over-The-Counter (OTC) medicine generally indicates that the frequency of these reactions is not known or not stated.

Safety Constraints and Serious Reactions

No systemic reaction is typically classified as a Serious Adverse Reaction in primary government labels, which is consistent with the drug’s low systemic absorption. However, important safety constraints are defined in official labeling. The preparation is strictly for external use only. It is contraindicated in any individual with a known hypersensitivity or allergy to Undecylenic Acid, Zinc Undecylenate, or any other component of the formulation. Furthermore, official safety instructions prohibit application on broken skin, blistered skin, or weeping, oozing areas, and advise against contact with the eyes and mucous membranes.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory profile for Caldesene, which contains Undecylenic Acid and Zinc Undecylenate, outlines overdose primarily in the context of accidental ingestion of the topical preparation. Severe effects from excessive external application are not typically expected.

Overdose Risk & Manifestations Official Regulatory Description
Exposure Route Overdose risk is tied to accidental ingestion of the product.
Systemic Signs Ingestion may lead to gastrointestinal disturbance and central nervous system (CNS) effects.
Specific Symptoms Documented CNS manifestations include headache, dizziness, excitement, and somnolence (drowsiness).
Chronic Exposure Prolonged systemic overexposure may be associated with loss of appetite (anorexia) and weight loss.

Required Emergency Action

Immediate medical attention is mandated following any accidental ingestion. If the product is swallowed, the official regulatory instruction is to get medical help or contact a Poison Control Center right away. This action is particularly stressed due to the risk of accidental exposure in the pediatric population. Treatment for confirmed overdosage is defined as symptomatic and supportive care, as no specific antidote is specified in the official labeling. The goal is to manage the specific clinical signs that may arise from the systemic exposure.

Therapeutic Uses of Caldesene

The medication is commonly used for symptomatic support across dermatological contexts that involve friction, excess moisture, and symptoms related to inflammatory or irritative states. It generally helps manage groups of symptoms that may appear suddenly or intensify over time, providing support that contributes to improved day-to-day comfort.

This product is used to manage symptoms related to both fungal presence and skin irritation.

Supportive Management of Dermal Symptoms

This therapeutic domain is applied across areas where additional symptomatic support is needed for common superficial dermal mycoses (such as Tinea Pedis and Tinea Cruris) and conditions presenting with irritant dermatitis (such as diaper rash). It helps address the pronounced symptoms of itching, burning, and irritation that cluster into patterns requiring supportive management. Symptomatic relief is considered relevant for easing patient distress.

Quick Fact: Supportive Management for Symptoms related to Friction and Wetness

The overall benefit is that the product may provide a soothing benefit that assists with maintaining functional stability and supports general well-being during symptomatic phases. This supportive relief is particularly relevant in situations where patients experience discomfort from excess wetness, chafing, and associated skin soreness.

Regulatory References

  1. NIH DailyMed Antifungal Label

Eligibility and Restrictions for Use

Who Can and Cannot Use Caldesene?

Regulatory documents define the population eligibility for Caldesene based on age, allergies, and the application site's condition.

Eligibility Scope Regulatory Statement
Absolute Contraindication Contraindicated in individuals with known hypersensitivity to Undecylenic Acid, Zinc Undecylenate, or any component of the formulation.
Age Group Exclusion Not recommended for children under 2 years of age. Approved for adults and children 2 years of age and older.
Restricted Application Site Must not be used on badly broken skin or pus-containing sores. The product is restricted to external use only, avoiding contact with the eyes and mucous membranes.
Pregnancy and Lactation Use requires caution. Pregnant and breastfeeding individuals are officially advised to ask a doctor before use, as the safety and passage into breast milk are not conclusively established in regulatory data.

Official regulatory sources consistently prohibit use in specific groups, particularly those with a known allergy to the active ingredients. Beyond these exclusions, the medicine is approved for the general population aged two and over.

What should I know about interactions with other medicines?

The interaction profile for Caldesene, which contains the active ingredients Undecylenic Acid and Zinc undecylenate, is determined by its classification as a topical over-the-counter (OTC) medicine.

Systemic Drug Interaction Status

Official government regulatory documentation states that there are no known significant systemic drug-drug interactions associated with topical Undecylenic Acid. This classification is attributed to the negligible systemic absorption of the active ingredients when applied to the skin, which prevents meaningful exposure to systemic metabolic pathways (such as CYP enzymes) or drug transporters that mediate most systemic interactions. Consequently, the regulatory labels list no formal restrictions or dosage adjustments for co-administered systemic medicines.

Interaction Type (Systemic) Regulatory Documentation Status
Pharmacokinetic Interactions (e.g., CYP Enzymes) Not documented
Pharmacodynamic Interactions (e.g., Additive Effects) Not documented
Contraindicated Combinations None listed

Local Administration-Timing Interactions

The only interaction-related constraint documented is a local administration precaution regarding other topical products. Co-administration of other topical medicines or cleansers to the same application area is generally advised against to prevent physical interference with product efficacy or to avoid localized irritation. This is a practical, timing-based rule for maintaining the product's intended function, rather than a systemic interaction.

Mechanism of Action

The mechanism of Caldesene involves a dual-action approach: direct fungistatic activity via Undecylenic Acid and environmental modulation via Zinc undecylenate, targeting both the fungal organism and the necessary microenvironment.

Fungal Cell Membrane Disruption and Metabolic Halt

The primary action of Undecylenic Acid is to integrate into the lipid bilayer of the fungal cell membrane, which increases its permeability and destabilizes the structure. This molecular disruption causes the essential metabolic processes within the cell to fail, leading to fungistasis—the inhibition of fungal growth and replication. This pathway affects the fundamental machinery of the organism, resulting in the physiological constraint of fungal proliferation at the application site.

Suppression of Fungal Invasiveness and Morphogenesis

Beyond inhibiting simple growth, the mechanism affects the organism's ability to transition into the filamentous, spreading hyphal form. This specific inhibition of morphogenesis inhibits the fungi's capacity for development into filamentous forms and establishment of complex structures. This molecular cascade imposes a physiological constraint on the organism's capacity for cellular movement and proliferation.

Microenvironment Modulation and Astringency

The second active ingredient, Zinc undecylenate, provides a complementary astringent action by precipitating superficial proteins on the skin. This action, combined with the formulation's powder vehicle, results in localized moisture reduction. This physiological conditioning creates a dry microenvironment hostile to the proliferation of moisture-dependent fungi, complementing the physiological effect of the primary fungistatic mechanism.

Dosage and Administration Information

How to Use Caldesene: Official Administration Guidelines

Administration of Caldesene, which contains Undecylenic Acid and its derivatives, adheres to a topical (external) application protocol. The product is available in several high-level dosage forms, including cutaneous powder, topical cream, and ointment.

Application Principles and Frequency

The standard regimen involves applying a thin layer of the chosen product onto the affected area and the immediate surrounding skin. Application must be made only after the area has been cleaned and dried thoroughly.

For most forms (powder, ointment), the labeled frequency pattern is twice daily, typically once in the morning and once at night. For the cream formulation, the frequency may be described as as often as necessary or as directed by a healthcare provider.

Duration and Specific Constraints

The required course duration for the product is tied to the specific condition, often requiring continuous application for four weeks (e.g., for Athlete's Foot) or two weeks (e.g., for Jock Itch). Continuation of use for the full treatment time is necessary, even if apparent clearance of symptoms occurs earlier.

Population Constraint: Use is generally constrained to individuals 2 years of age and over. Application to children under 2 years of age should not occur unless advised by a healthcare provider. The product is not indicated for use on the nails or the scalp.

Recent Clinical Evidence

Evidence for Management of Superficial Dermal Fungal Infections

Clinical research for the active ingredients in Caldesene was studied for managing common superficial fungal skin conditions, such as athlete’s foot and jock itch. The evidence base includes randomized controlled trials (RCTs) and systematic reviews that studies explored short-term symptom patterns in adult and older child populations. Researchers measured two key outcomes: mycological status (referring to laboratory tests confirming the presence or absence of the fungal organism) and clinical status (assessing visible signs like scaling, redness, and monitoring physical discomfort). Follow-up durations were limited in many trials, meaning long-term effects are not fully established, and data for recurrence rates remain insufficient.


Evidence for Supportive Management of Symptoms of Irritant Dermatitis

The active ingredients were evaluated in the context of supportive management for irritant skin issues, such as diaper rash. The evidence is derived from systematic reviews and authoritative clinical consensus documents that research describes patterns related to zinc-based barrier formulations in this setting. Studies focused on conditions involving periods of heightened symptoms in infants and young children, assessing measures of assessment of rash incidence and severity assessment. Comparative evidence is lacking for the specific combination formula against all other types of zinc-based creams and ointments used for this condition, as research often concentrates on the barrier properties of zinc itself.


Long-Term Studies and What is Still Uncertain

Research examined short-term symptom changes in both fungal infections and irritant dermatitis. While the evidence provides context for the studied indications, several limitations remain. Comparative evidence is lacking, particularly for assessing the full combination formula against all modern topical agents. Furthermore, evidence quality varies across studies, and some older trials had varying evidence quality across studies. Studies help show what has been observed so far, but research does not determine whether an individual will respond similarly, and the findings describe group patterns, not personal outcomes.

Key Studies & References DailyMed - Undecylenic Acid Powder label (Representative OTC Antifungal Monograph)

Frequently Asked Questions (FAQ)

Common questions about Caldesene (FAQ)

Q: Does Caldesene powder contain talc or cornstarch?

A: According to the official product information, the active ingredients in the Caldesene Medicated Protecting Powder formulation are cornstarch and zinc oxide. These are the components listed on the drug facts label.

Q: What is the high-level functional difference between Caldesene and pure cornstarch powder?

A: Caldesene Medicated Protecting Powder is classified as an Over-the-Counter (OTC) medicine because it contains Zinc Oxide (15%). This ingredient is officially recognized as an active Skin Protectant drug in OTC monographs.

Q: Does the inclusion of ingredients like aloe or chamomile in Caldesene have an official purpose?

A: Ingredients such as aloe vera gel and chamomile are listed as inactive ingredients on the official drug facts label. As inactive ingredients, they do not have an officially recognized drug purpose for the product’s intended uses.

Q: Why does Caldesene contain fragrance, and is this a common source of irritation?

A: Fragrance is listed as an inactive ingredient in the product formulation. The official label suggests discontinuing use if irritation occurs, without specifying the cause.

Q: Can Caldesene powder be applied near mucous membranes or private areas?

A: The official warning states the product is strictly for external use only, and general warnings advise avoiding contact with the eyes. For the treatment and prevention of diaper rash, directions specify applying the powder to the diaper area.

Q: Can Caldesene be used for general chafing relief?

A: Yes, official regulatory labeling indicates the product is for temporarily protecting and helping to relieve minor skin irritation and chafed skin.

Q: Why do adults use Caldesene powder?

A: The product is labeled for use by adults to help relieve and protect against conditions like minor skin irritation and chafed skin. These indications are listed on the official label, consistent with its uses for the general population over 2 years of age.

Q: Is Caldesene only for diaper rash in babies?

A: No. The official indications for Caldesene powder include diaper rash and temporarily protecting and relieving minor skin irritation/chafed skin. It is approved for use by adults and children who are 2 years of age and older.

Q: Is Caldesene meant for daily use?

A: The frequency of application is described on the product label. For diaper rash, directions state to apply the powder as often as necessary with each diaper change. For minor skin irritations, the directions state to apply as needed.

Q: What are the inactive ingredients in Caldesene powder and what do they do?

A: The inactive ingredients listed on the label include aloe vera gel, chamomile, fragrance, kaolin, and tricalcium phosphate. These ingredients do not have an officially recognized drug purpose for the product’s labeled use.

Q: Are there warnings about Caldesene inhalation?

A: Official safety instructions include a warning to keep the powder away from a child’s face and mouth to avoid breathing it.

Q: Can Caldesene be used on skin that is already broken or severely cracked?

A: The official product label advises Do not use on broken skin.

Q: Does Caldesene interact with other skin care products like lotions?

A: Regulatory guidance is primarily concerned with co-administration with other topical medicines to prevent physical interference with the product's efficacy. There is no specific official warning about using non-medicated lotions with Caldesene.

Q: Is Caldesene suitable for use on newborns and infants?

A: Official warnings advise that the product should not be used on children under 2 years of age unless the use is specifically directed by a healthcare provider. Newborns and infants fall within this age restriction.

Q: Can Caldesene be used by adults for heat rash?

A: The product is indicated to temporarily protect and relieve minor skin irritation and chafed skin in adults. Heat rash is not specifically mentioned on the label.

Q: Is Caldesene safe for elderly skin?

A: The medicine is generally approved for use by adults and children 2 years of age and older. Regulatory documents do not contain specific age-related restrictions or special warnings regarding use on elderly skin.

Q: Is Caldesene effective at reducing friction on skin folds?

A: The product is labeled to help relieve and protect against chafed skin.

How should Caldesene be stored and disposed of?

How to Store and Dispose of Caldesene?

The storage and disposal instructions for Caldesene Medicated Protecting Powder are defined by the product's regulatory labeling to ensure stability and safe handling.

Storage Requirements

Condition Regulatory Requirement
Temperature Store at room temperature, 15 to 25 C (59 to 77 F), and avoid excessive heat.
Container Store in the original container.
Child Safety Keep out of reach of children and keep powder away from a child’s face and mouth.

Disposal Instructions

The official label provides no unique, product-specific disposal instructions for the powder. Disposal should follow general regulatory guidelines for over-the-counter medicines, which recommend using a drug take-back program or discarding securely with household trash if a take-back option is unavailable.

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

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