Dermotic

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Dermotic

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Dermotic

What is Dermotic? An Overview

Property Description
Active Ingredients Miconazole Nitrate, Polymyxin B, Prednisolone Acetate
Form Otic and Cutaneous Suspension
Pharmacological Class Corticosteroid and Antiinfective Combination
General Purpose Broad-spectrum defense against mixed microbial infections
Origin Synthetic and Derived Polypeptide Compounds

Dermotic is a prescription veterinary medicine formulated as an Otic and Cutaneous Suspension intended for localized topical application. This preparation is classified as a combined Corticosteroid and Antiinfective, a designation reflecting its dual function against microbes and inflammation. This specific triple-action combination product is designed to manage the complex etiology of conditions affecting the ear and skin of animals.

The preparation features three core active pharmaceutical ingredients: the antifungal Miconazole Nitrate, the antibacterial Polymyxin B (as the sulfate salt), and the anti-inflammatory Prednisolone Acetate. This pharmaceutical combination is intended for utility in managing polymicrobial infections and includes both synthetic compounds and a derived polypeptide antibiotic.

The components work together to provide a broad-spectrum defense. The inclusion of the glucocorticoid Prednisolone Acetate is integral, as it is utilized for its ability to modulate inflammatory responses, reducing associated swelling and itching. The antimicrobial components, Miconazole and Polymyxin B, provide a synergistic effect against common pathogens. This integrated approach ensures that the formulation facilitates the resolution of the inflammatory cycle while addressing the underlying infectious causes.

Regulatory References

  1. U.S. National Library of Medicine

What side effects are possible with Dermotic?

Possible Side Effects and Safety Information

The official safety profile for the triple-combination suspension is structured around documented application site reactions and potential systemic risks associated with its components. This profile is derived strictly from regulatory documents, such as those issued by the U.S. Food and Drug Administration (FDA) and other government health authorities.


Adverse Reaction Scope

Common Adverse Reactions: The most frequently documented reactions are localized application site effects classified as common. These include transient redness (erythema), mild discomfort, or localized hypersensitivity reactions occurring at the site of application.

Serious Adverse Reactions: The label documents two primary serious safety concerns. One is the risk of ototoxicity (inner ear damage) associated with the Polymyxin B component, which can lead to irreversible damage. The other is adrenocortical suppression, a serious systemic effect resulting from prolonged or excessive absorption of the Prednisolone Acetate component.


Safety Considerations and Restrictions

Duration-Related Patterns: The risk of serious systemic effects, such as signs of corticosteroid excess (e.g., increased thirst and urination), is officially stated to be associated with prolonged or excessive use, application over large surface areas, or use under occlusive conditions.

Critical Contraindication: The product is contraindicated and must not be used in individuals with a non-intact (perforated) tympanic membrane. This restriction is a mandatory safety measure to prevent the documented risk of ototoxicity.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory profile for this topical suspension is based on documented findings from studies assessing accidental exposure and mandates specific actions for human contact.

Overdose Context Official Regulatory Statement
Documented Manifestations No specific toxic side effects have been observed or officially documented in regulatory materials following accidental oral intake (e.g., licking) in the target animal species.
Toxicity Classification The observed toxicity profile following accidental ingestion is officially classified as showing no toxic effects in the targeted species.
Antidote Information No specific pharmaceutical antidote is described in the official regulatory labeling for the management of overdose situations.

When Immediate Medical Help is Required

Immediate medical attention is strictly required for accidental human exposure if the suspension contacts the eyes or skin and results in irritation that develops or persists. Regulatory documents explicitly instruct users to consult a physician under these specific circumstances of human dermal or ocular contact.

The overall regulatory profile defines the overdose structure by confirming the absence of documented toxicological manifestations via the most probable route of animal exposure. As no specific antidote or complex procedural instructions are officially documented, any required treatment for severe overexposure is limited to general supportive measures, with the primary emergency mandate focused on accidental human contact.

Therapeutic Uses of Dermotic

What Dermotic Treats: Main Uses and Benefits

Dermotic's therapeutic profile is relevant in conditions where symptoms are linked to both inflammation and infection. The product is frequently utilized to manage canine otitis externa, particularly in instances where symptoms are associated with yeast and bacteria.

The medication is generally used across conditions presenting with localized discomfort, such as otitis externa and certain forms of dermatitis. It helps address symptom clusters that may become intense or disruptive, including swelling, redness, itching (pruritus), and pain.

“Symptomatic assistance is relevant in clinical settings marked by acute patient distress, providing support that helps ease the overall symptom load.”

Dermotic is commonly used in situations involving recurrent or episodic manifestations of ear and skin issues that may intensify temporarily. It provides supportive relief when symptoms create noticeable physiological strain and may assist with maintaining functional stability during phases of increased distress, contributing to improved day-to-day comfort.


Quick Fact: Relevant for Pruritus and Pain

Regulatory References

  1. FDA's New Animal Drug Application for the suspension

Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Dermotic (Fluocinolone Acetonide Otic Solution)

This section outlines the eligibility and non-eligibility rules strictly based on authoritative government regulatory documents.


Contraindications and Non-Eligibility

Use of Dermotic is contraindicated (must not be used) in patients with the following conditions or characteristics:

  • Hypersensitivity: Known allergy to fluocinolone acetonide or any other ingredient in the product.
  • Peanut Allergy: Due to the presence of refined peanut oil in the formulation.
  • Ear Integrity: Patients with a perforated eardrum, ear tubes, or an untreated ear infection (bacterial, fungal, or viral).

Conditional Use and Restrictions

Population Group Eligibility Status
Pediatric Patients Not established for children under 2 years of age; use is allowed for 2 years of age and older.
Pregnant Women Conditional use (Pregnancy Category C). Use only if the potential benefit justifies the potential risk to the fetus.
Breastfeeding Women Caution should be exercised; it is not known if the medicine passes into breast milk.
Other Restrictions The medicine is not for oral, ophthalmic (eye), or intravaginal use and should not be used on the face, underarm, or groin unless directed by a healthcare professional.

What should I know about interactions with other medicines?

The official regulatory profile for Dermotic (Miconazole Nitrate, Polymyxin B, Prednisolone Acetate) is defined by its topical route of administration as an otic and cutaneous suspension. Regulatory documentation emphasizes that systemic exposure to the active components is negligible, which significantly limits the potential for systemic drug interactions.

According to authoritative government prescribing information, no specific medicinal products are listed as being formally contraindicated for co-administration due to systemic interaction risks. The official label is silent on documented pharmacokinetic mechanisms, such as CYP-mediated interactions, that would typically alter the clearance or exposure of other systemic medicines. Similarly, no specific pharmacodynamic interactions (additive effects with named systemic drugs) are described in regulatory text.

This profile means that no mandatory time-separation or sequencing rules for co-administration are specified in the official documentation. Furthermore, there are no officially documented interactions with food, alcohol, herbal products, or dietary supplements. The regulatory structure is consistent: no specific interacting substances, prohibitions, timing constraints, or population-specific interaction considerations are noted, reflecting the low systemic risk confirmed through the official regulatory assessment. This ensures the interaction section remains strictly focused on established, label-based constraints.

Mechanism of Action

Dermotic is a topical corticosteroid formulation containing fluocinolone acetonide, a synthetic glucocorticoid. Its mechanism of action begins with passive diffusion across the stratum corneum and cellular uptake by target cells, primarily in the epidermis and dermis.

Intracellularly, fluocinolone acetonide functions as a glucocorticoid receptor (GR) agonist. The molecule binds to the cytoplasmic GR, initiating a conformational change that promotes its nuclear translocation. In the nucleus, the activated GR complex modulates gene transcription via two primary mechanisms.

First, the complex acts as a transactivator by binding to Glucocorticoid Response Elements (GREs) in the promoter regions of target genes, increasing the expression of anti-inflammatory proteins, such as lipocortin-1 (annexin A1). Lipocortin-1 inhibits phospholipase A2, an enzyme required for the liberation of arachidonic acid from membrane phospholipids. This inhibition consequently reduces the biosynthesis of potent inflammatory mediators, including prostaglandins and leukotrienes.

Second, the complex acts as a transrepressor by physically interacting with and inhibiting pro-inflammatory transcription factors, such as NF-kappaB and AP-1. This repression suppresses the expression of various pro-inflammatory cytokines (e.g., IL-2, IL-6, TNF-alpha), chemokines, and adhesion molecules.

System-level physiological consequences involve modulation of the cutaneous inflammatory response, resulting in local vasoconstriction which diminishes tissue perfusion and extravasation of immune cells, and decreased cellular proliferation in the skin.

Dosage and Administration Information

How Dermotic is Used

The administration of the Dermotic veterinary suspension (Miconazole Nitrate, Polymyxin B, Prednisolone Acetate) follows established protocols defining the route, dosing, and duration of therapy. The primary route is otic (ear) administration, specifically indicating the product is not for oral use.


Official Administration Regimens

Category Usage Principle
Route of Administration Otic (Ear). Topical (Cutaneous) use is also described.
Standard Dosing Instill 5 drops per affected ear for canine otitis externa.
Frequency Pattern Administered twice daily (BID).
Duration of Course Treatment should continue for 7 consecutive days for canine otitis externa. Treatment duration for other conditions, such as feline otoacariasis, may be approximately 21 days.

Procedural Context for Use

To ensure proper administration, specific procedural steps must be followed. The suspension bottle must be shaken well before each use to ensure component distribution. Prior to instillation, the external ear should be thoroughly cleaned and dried. After the drops are administered, the ear should be gently massaged at the base to facilitate the uniform distribution of the medication. A critical constraint for safe use is the mandatory pre-administration verification that the tympanic membrane (eardrum) is intact before the drops are applied. The safe use of this product has not been evaluated for animals intended for breeding or those that are pregnant or lactating.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Dermotic

This overview is a summary of the official research structure and findings for the Dermotic otic suspension, which is a prescription veterinary medicine. The text focuses on what has been studied and what remains uncertain, based on the scientific and regulatory record.


Evidence for Use in Canine Otitis Externa

The primary source of regulatory evidence for this use comes from short-term, randomized clinical field trials. These studies were designed to compare the product against another approved treatment to assess the observed outcomes. The trials were conducted during periods of increased symptom activity and typically involved a treatment duration of seven consecutive days.

Studies monitored several key outcomes linked to inflammatory or irritative states. Researchers examined objective assessments of pain or discomfort, swelling, redness (erythema), and the characteristics of exudate (discharge). Studies explored outcomes that were assessed relative to an approved comparator, including the measurement of Overall Clinical Improvement. These short-term findings contribute to understanding the observed symptom patterns related to the condition’s physical signs.

However, existing research provides limited insight into the full range of animals that may require treatment. The primary effectiveness trials excluded dogs where the eardrum was suspected to be ruptured. This means the research does not determine whether an individual with this specific physical finding will respond similarly, and the results apply only to the populations studied—those with a confirmed intact tympanic membrane.


Evidence in Associated Skin Conditions

Research has examined the components of this medicine for its role in treating certain topical skin infections (dermatitis) where the cause is susceptible strains of bacteria and yeast. This medicine was evaluated in studies exploring the complex factors contributing to conditions characterized by fluctuating or episodic manifestations. The evidence contributes to understanding symptom patterns related to outcomes such as physical discomfort and inflammatory or irritative states.

The studies report how symptoms evolved in the observed populations of dogs presenting with these cutaneous issues. As with the ear indication, the follow-up durations were limited, with the main evidence focusing on short-term symptom changes immediately after the defined course of treatment.


What Remains Uncertain About the Research for Dermotic

Several research limitation frames are evident in the literature for this product. The evidence is generally classified as High based on the quality of the short-term, randomized trials, yet long-term effects are not fully established, which is common for short-course topical therapies.

Comparative evidence is lacking for certain scenarios, and the follow-up durations were limited to the immediate post-treatment period. Furthermore, the data for certain groups remain insufficient, including breeding, pregnant, and lactating animals, as well as those with a ruptured eardrum. This means research does not determine whether an individual will respond similarly in these specific circumstances.

Key Studies & References

  1. Miconazole Nitrate, Polymyxin B, Prednisolone Acetate Otic Suspension Label (DailyMed)
  2. Freedom of Information Summary NADA 141-298 Surolan (Miconazole Nitrate, Polymyxin B Sulfate, Prednisolone Acetate Suspension)

Frequently Asked Questions (FAQ)

Common questions about Dermotic (FAQ)

Q: Is Dermotic available over the counter?

Official regulatory information classifies this medicine as a prescription drug. This indicates the medicine is not available for purchase over the counter.

Q: What is the difference between Dermotic and a topical steroid?

Dermotic (fluocinolone acetonide) is itself classified as a topical corticosteroid. The key difference is that this product is specifically formulated as an otic solution (ear drops) designed for use in the ear canal, as opposed to a standard cream or ointment for the skin.

Q: Are there any long-term effects of using Dermotic regularly?

Regulatory documents warn that prolonged or extensive use of topical corticosteroids is associated with the potential for systemic effects. These include the risk of HPA axis suppression, which involves changes to the natural hormone levels produced by the body. The duration of use defined in official guidance is therefore limited.

Q: What is the approved age range for using Dermotic?

Official product information states that the medicine is approved for use in adults and children 2 years of age and older. The safety and effectiveness of the medicine have not been established for children younger than 2 years of age.

Q: Is it common to feel a mild burning sensation after using Dermotic?

Official regulatory documents describe common local adverse reactions that may occur at the application site. These transient effects include sensations such as burning, itching, and irritation.

Q: How is Dermotic different from a prescription antifungal cream?

Dermotic (fluocinolone acetonide) is classified as a corticosteroid and is used specifically to relieve symptoms of inflammation, such as swelling and itching. It does not belong to the antifungal class of medicines.

Q: Is it possible for Dermotic to make my skin issue worse before it gets better?

Regulatory safety information indicates that if an individual's condition worsens or if no improvement is observed after the specified treatment period, consulting with a healthcare professional is described as necessary.

Q: Does the application site need to be covered after using Dermotic?

The official label states that the use of occlusive dressings, cotton, or ear plugs after administering the drops is not recommended. This is due to the potential for increased systemic exposure when topical corticosteroids are used under occlusion.

Q: Is Dermotic considered an antibiotic?

Dermotic (fluocinolone acetonide) is classified as a corticosteroid and is not a stand-alone antibiotic medicine. Its main purpose is to reduce inflammation and related symptoms.

Q: Can Dermotic be used by people with sensitive skin?

The medicine is contraindicated for individuals who have a known allergy or hypersensitivity to any of its components. Additionally, common side effects include local irritation, burning, and itching.

Q: Does the effectiveness of Dermotic vary by patient age?

The safety and effectiveness of the medicine have not been established for children younger than 2 years of age. For individuals 2 years and older, the medicine's effectiveness has been established for its approved indication.

Q: Is there a maximum amount of time Dermotic is recommended for use?

The typical treatment course is defined in official guidelines, such as 7 to 14 days in adults. Because use beyond the prescribed time is associated with increased risks of systemic effects, the treatment duration is officially limited.

Q: Is it okay to use moisturizer or other products with Dermotic?

Regulatory warnings indicate that co-administration with other corticosteroid-containing products is not recommended unless under specific instruction. This constraint is in place to avoid increased total systemic exposure to corticosteroids.

Q: What if a large amount of Dermotic is accidentally swallowed?

Official safety information classifies accidental ingestion as potentially harmful. Regulatory protocols for ingestion typically involve immediately contacting a poison control center or doctor and explicitly warn against inducing vomiting.

Q: Is Dermotic similar to treatments used for athlete's foot?

Dermotic (fluocinolone acetonide) is classified as a corticosteroid used for inflammation and is not the same type of medicine used to treat common fungal infections like athlete's foot.

Q: Can Dermotic be used for conditions not listed in the official documents?

Official patient information indicates that the medicine is intended to be used only for the conditions defined by its regulatory approval. The label generally advises against use for any condition other than that for which it was prescribed.

Q: Can Dermotic cause skin discoloration?

Regulatory documents describe changes in skin color as potential adverse reactions. These effects include localized changes such as skin lightening (hypopigmentation).

Q: Do official sources mention Dermotic causing dizziness or drowsiness?

Dizziness or fainting may be symptoms associated with potential adrenal gland problems, which can result from long-term or extensive systemic absorption of the corticosteroid component.

Q: Does Dermotic have any specific warnings for people with diabetes?

Due to the risk of systemic absorption, topical corticosteroids can potentially cause hyperglycemia (high blood sugar). Official warnings indicate that specific evaluation may be necessary for patients with diabetes.

Q: Are there generic versions of Dermotic available?

The generic version of Dermotic Oil is widely available. The generic name of the medicine is fluocinolone acetonide otic drops.

Q: Is Dermotic considered a high-potency or low-potency medicine?

The active ingredient, fluocinolone acetonide, is generally classified as a low-to-moderate potency topical corticosteroid.

Q: What if I forget to use Dermotic at the scheduled time?

Official patient information states that if a dose is missed, individuals are generally directed to skip the missed dose and continue with the next regularly scheduled dose. The label specifically advises against using a double dose.

Q: Does Dermotic affect the results of any common medical tests?

Because of the potential for the corticosteroid to be absorbed systemically, its use may require periodic evaluation for HPA axis suppression. This is typically done using the ACTH stimulation test.

Q: Can Dermotic be used during the summer or in hot weather?

Regulatory storage guidelines recommend that the medicine must be stored at controlled room temperature. The product must be protected from excessive heat or direct sunlight.

How should Dermotic be stored and disposed of?

How to Store and Dispose of Dermotic?

Regulatory documentation requires Dermotic (Miconazole Nitrate, Polymyxin B Sulfate, Prednisolone Acetate suspension) to be stored under specific conditions to maintain its labeled potency.


Storage Requirements

The suspension must be stored at controlled room temperature, typically between 59 F and 77 F (15 C to 25 C). It is mandatory to protect the product from freezing.

Keep the medication in its original container, ensure the container remains tightly closed, and store it out of the reach of children. The suspension must be shaken well before use to ensure the active ingredients are properly mixed.

Disposal Instructions

Unused or expired medication must be disposed of according to local, state, and federal regulations. The regulatory labeling specifies that the product is highly toxic to aquatic organisms and must not be discarded into water (e.g., wastewater or rivers).

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

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