Scalibor

Deltamethrin

Treatment option:

Medically reviewed

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 Scalibor

Property	Description
Active Ingredient	Deltamethrin
Form	Medicated collar (Polyvinyl Chloride matrix)
Pharmacological Class	Pyrethroid Ectoparasiticide
Common Use	Control and prevention of external parasitic infestations
Origin	Synthetic

What Type of Medicine is Scalibor and What is its Purpose?

Scalibor is a veterinary medicinal product classified as an ectoparasiticide, specifically designed for use on dogs. Its primary purpose is the sustained control and prevention of infestations by external parasites, offering a continuous barrier against pests like ticks and mosquitoes. As an external application, its action is confined to the exterior of the animal, establishing a protective zone against parasitic threats. The collar provides long-term protection, a feature of its intended use in veterinary pharmacology. This classification establishes Scalibor as a preventative tool used in animal health, targeting organisms that live on the host’s surface rather than requiring absorption into the bloodstream, differentiating it from systemic parasitic treatments.

Composition, Form, and Origin: Understanding Deltamethrin

The sole active ingredient in Scalibor is Deltamethrin, a highly potent synthetic compound that belongs to the Type II pyrethroid pharmacological class. The product is uniquely delivered as a medicated collar, which is its specialized dosage form. This form is a distinctive feature of the Scalibor brand. This collar’s polymer matrix is engineered for the gradual release of the lipophilic Deltamethrin, allowing it to spread across the dog’s skin and coat via natural oils. Deltamethrin is a potent, broad-spectrum insecticide effective against a wide range of external pests. Deltamethrin is chemically related to natural pyrethrins, but its synthetic origin provides superior stability and controlled effectiveness in the field.

What side effects are possible with Scalibor?

Possible Side Effects and Safety Information

The safety profile of the Scalibor medicated collar is defined by adverse reactions classified according to official regulatory frequencies, primarily involving the skin and subcutaneous tissues.

Adverse Reaction Frequencies

Official regulatory documents classify adverse reactions based on how often they occur:

Uncommon (1 to 10 in 1,000 animals): Local skin reactions at the application site.
Very Rare (less than 1 in 10,000 animals): Systemic signs including lethargy, vomiting, and tremors.

System-Organ Classes and Documented Reactions

The documented effects are primarily localized, though systemic signs are noted in regulatory records. Local reactions, which fall under Skin and Subcutaneous Tissue Disorders, may include alopecia (hair loss), pruritus (itching), and erythema (redness) at the collar site. Systemic signs are classified under Nervous System Disorders (tremors) and Gastrointestinal Disorders (vomiting).

Safety Restrictions and Special Populations

Official labeling defines specific restrictions for use. The product is not recommended for use in puppies under 7 weeks of age. Use is also restricted in animals that are currently sick or convalescing, or those with extensive skin lesions. Systemic adverse reactions indicate exposure beyond the intended external route, such as from ingestion or licking of the collar, and are generally noted as reversible upon collar removal. Severe neurological signs, such as convulsions, are documented as potential serious, though very rare, outcomes associated with pyrethroid toxicity.

Overdose and Emergency Response

Overdose Manifestations and Management

Overdose involving the Deltamethrin collar is primarily documented in the event of accidental oral ingestion of the product matrix by the dog. The officially recognized clinical manifestations associated with such exposure, as stated in regulatory documents, include uncoordinated movements (ataxia), tremor, hypersalivation (drooling of saliva), vomiting, and rigidity of the hindquarters.

The regulatory profile notes that these clinical signs are generally reversible. Symptoms typically subside within 48 hours, establishing the expected duration of the acute phase under supportive management. Due to the lack of a known specific antidote to counteract Deltamethrin toxicity, treatment for the affected dog is strictly symptomatic.

Emergency Action and When to Seek Help

The immediate mandated action upon observing signs of ingestion is collar removal. Supportive measures, such as the use of Diazepam, may be employed for symptomatic relief if deemed necessary. A distinct regulatory instruction governs human exposure: in the event that a person accidentally swallows the veterinary product, the individual must obtain immediate medical attention. In such a severe exposure scenario, the official instruction requires showing the product labeling to the attending physician.

Therapeutic Uses of Scalibor

The therapeutic application of the Deltamethrin collar focuses on establishing a sustained external defense, primarily addressing the risks and direct discomfort caused by specific ectoparasitic vectors. The collar is commonly used for long-term management of external parasitic risks.

What Scalibor Treats: Main Uses and Benefits

This domain is relevant for easing the symptomatic risks associated with parasitic exposure, particularly sandflies and ticks. The protective effect generally assists with maintaining functional stability and contributes to easing the overall symptom load related to potential pathogen exposure, which may assist with the management of symptomatic risks associated with diseases like Leishmaniasis, Lyme disease, and Ehrlichiosis.

This cluster is applied in addressing the symptomatic concerns relevant to inflammatory or irritative states associated with parasitic activity, including ticks, fleas, sandflies, and mosquitoes. The use of the collar helps address symptom clusters related to parasitic activity, which may assist with frequent symptomatic discomfort that arises from symptoms related to physical discomfort associated with external parasitic presence. Scalibor is commonly used in clinical settings that involve continuous, long-term defense, such as when dogs reside in high-risk endemic areas or require protection during seasonal peak activity.

Quick Fact: Supports Management of Symptoms The collar is commonly used to help with managing discomfort, skin irritation, and the risk of pathogen exposure associated with symptoms related to physical discomfort and irritative states associated with ticks, sandflies, mosquitoes, and fleas.

Eligibility and Restrictions for Use

Eligibility Map: Official Population Rules for Scalibor

The eligibility for the Scalibor collar is strictly defined by government regulatory documents, focusing on the target species, age, and existing physical status. The product is exclusively intended for use on dogs.

Eligibility Status	Population Group	Regulatory Classification
Use is Permitted	Dogs (Target Species)	Allowed
Use is Permitted	Pregnant Bitches	Can be used
Use is Permitted	Lactating Bitches	Can be used

Contraindicated Status	Population Group	Regulatory Classification
Do Not Use	Cats	Contraindicated (Species exclusion)
Do Not Use	Puppies less than 7 weeks of age	Contraindicated (Minimum age limit)
Do Not Use	Dogs with extensive cutaneous lesions	Contraindicated (Condition-based)
Do Not Use	Known hypersensitivity to deltamethrin or any pyrethroid	Contraindicated (Allergy-based)

Official documents mandate that use must be avoided for four key groups. The collar is contraindicated based on species, a strict minimum age of seven weeks, the presence of extensive skin lesions, and a history of allergic reaction to the active substance. For the authorized population (dogs 7 weeks and older), use is established, and the collar can be used during both pregnancy and lactation.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official Interaction Profile

The interaction profile for Scalibor, which contains the active ingredient Deltamethrin, is highly specific and limited due to its external, non-systemic application as a medicated collar. Regulatory authorities, such as the European Medicines Agency (EMA), have established a single, definitive restriction based on a pharmacodynamic interaction risk.

Documented Restrictions and Interaction Types

Interaction Category	Official Regulatory Statement
Prohibited Co-administration	Co-administration with other ectoparasiticides containing organophosphates is strictly prohibited.
Pharmacodynamic Interaction	The restriction is based on the risk of enhanced toxicity resulting from the combined use of Deltamethrin and organo-phosphorous compounds.
Systemic Interactions	No interactions involving metabolic enzymes (e.g., CYP) or drug transporters are documented in the official prescribing information, consistent with the product's topical use.
Food or Supplements	No interactions with food, alcohol, or herbal supplements are officially documented in the regulatory label.

This single, explicit prohibition of co-administration defines the product’s official interaction structure. The regulatory documents emphasize that the risk is confined to concurrent application with treatments of the specified chemical class, rather than interactions with systemic medicines.

Mechanism of Action

The pharmacological action of the Scalibor protector band is mediated by deltamethrin, a Type II synthetic pyrethroid compound. This molecule functions as a neurotoxin in target arthropods. *Deltamethrin exerts its effect by specifically interacting with and modulating voltage-sensitive sodium channels located on the axonal membranes of the target pest’s neurons. This biological target interaction results in a significant modification of the channel’s kinetic properties. Specifically, deltamethrin prevents the sodium channel from achieving normal inactivation after an action potential. The sustained opening of the channel permits a prolonged influx of sodium ions (Na^+), leading to persistent depolarization of the neuronal membrane. This prolonged depolarization disrupts normal nerve impulse transmission and causes the repetitive, sustained firing of the neuron. This resulting mechanistic cascade culminates in hyper-excitation** followed by tremors, paralysis, and an ultimate breakdown of the target organism’s neuromuscular function, representing the system-level physiological consequence of the compound's action.

Dosage and Administration Information

Administration Scope

Route of administration: Topical (external application to the neck/dermis).

Dosing schedule: One collar per dog. The product is provided in two distinct sizes (e.g., 48 cm or 65 cm) that determine the appropriate fit, each containing a fixed amount of the active substance, Deltamethrin.

Frequency and Timing:

The collar is applied as a single unit for continuous, sustained activity over a defined period of 5 to 6 months. Reapplication is required once this duration of effectiveness has concluded. A temporal constraint is part of the administration schedule, as the collar exerts its full protective effect only one week (7 days) after it is initially placed on the animal.

Administration Procedures and Conditions

Fitting Instructions: The collar must be fitted loosely around the animal’s neck, allowing two fingers to fit comfortably between the band and the skin. Any excess length extending beyond 5 cm from the buckle should be cut off.

Population Rules: The product is officially intended for use only in dogs.

Special Procedural Conditions: Although occasional contact with water is generally permitted, the collar should be removed before the dog swims or bathes to comply with environmental precautions. Dogs must also be prevented from swimming for the first five days of wearing the collar.

Connection to the Overall Use Protocol

This administration protocol defines a standardized, single-application, non-systemic use pattern. Correct usage hinges on precise physical fitting and adherence to the temporal constraint that dictates a one-week waiting period before full activity is reached. This methodology establishes a predictable, long-term cycle for the product’s use, determined strictly by its fixed duration of 5 to 6 months.

Recent Clinical Evidence

Research evidence / Overview of studies for Scalibor

Evidence for Sandfly Activity and Leishmania Risk

Research explored how the deltamethrin collar affects exposure to sand flies, the carriers of the pathogen that causes Leishmaniasis, primarily through assessor-blinded, controlled laboratory studies and observational field studies. Scientists monitored measures of anti-feeding activity and tracked the incidence of new antibody development in exposed populations. Studies reported that anti-feeding activity was observed across full study periods, sometimes up to 12 months. The evidence indicates that complete prevention of every parasitic contact is not reported, and protection against pathogen exposure risk is not total.

Evidence for Tick and Mosquito/Flea Levels

Evidence related to ticks has been explored using controlled laboratory trials and controlled field trials. Researchers examined outcomes such as infestation level (live tick counts) and prevention of engorgement. Controlled studies reported measurements of changes in live tick counts across intermediate durations. For mosquitoes, controlled studies reported an anti-feeding pattern against Culex pipiens pipiens. For flea infestation levels, research utilized comparative field trials, but findings were mixed, with evidence quality varying across studies.

Limitations, Durability, and Research Gaps

While the available research monitored outcomes for up to 12 months for sandfly effects, long-term effects are not fully established for all outcomes, such as flea control, where follow-up durations were limited. Most research was evaluated in healthy adult dogs, and there is limited information regarding specific outcomes in young animals or those with pre-existing conditions. Regulatory summaries note that certainty remains low regarding the complete prevention of disease transmission, and the evidence highlights that under unfavorable conditions, transmission can still occur.

Key Studies & References Field Evaluation of Two Different Treatment Approaches and Their Ability to Control Fleas and Prevent Canine Leishmaniosis in a Highly Endemic Area

Frequently Asked Questions (FAQ)

Common questions about Scalibor (FAQ)

Q: What should I do if my dog licks or swallows the collar?

Accidental ingestion of the collar may result in signs like uncoordinated movements, tremors, vomiting, or excessive drooling. The official product information notes that these signs have generally been found to be reversible within 48 hours following removal of the collar. If treatment is required for accidental ingestion, the official product information states that it should be symptomatic.

Q: How exactly does Deltamethrin kill the ticks and other pests?

The active ingredient, Deltamethrin, is categorized as a neurotoxin that affects the nervous system of target parasites. The product information indicates that parasites are affected by exposure to the substance released onto the dog's skin and coat. Official sources note that ingestion of toxic quantities by the parasite leads to hyper-excitation followed by paralysis.

Q: Do I need to take the collar off when I bathe my dog?

The official regulatory documents state that the collar should be removed before the dog swims or bathes. This precaution is taken because the active ingredient, Deltamethrin, is dangerous to fish and other aquatic organisms, helping to prevent environmental contamination.

Q: How long does it take for the active ingredient to start spreading across the dog’s skin?

The collar is engineered to release the active ingredient, Deltamethrin, slowly and continuously. This substance is designed to spread across the skin surface and coat through the dog’s natural oils and lipids. According to the official product information, the collar achieves its full protective effect after one week (7 days).

Q: Can the product be used to treat existing infestations, or is it only for prevention?

Regulatory documents indicate the collar is officially for the control of infestations with specific parasites, in addition to prevention. As the product works through exposure, it is possible to still observe parasites on the dog after application, as the active ingredient is released and takes effect.

Q: Are there any special instructions for handling the collar when I put it on my dog?

The official safety information advises taking precautions when handling the collar. It recommends that the person fitting the collar wash hands with soap and cold water immediately afterwards. Furthermore, people with known sensitivity to deltamethrin should avoid contact with the product.

How should Scalibor be stored and disposed of?

How to Store and Dispose of Scalibor?

The storage and disposal of the Scalibor Protectorband collar are governed by official regulatory standards to maintain stability and ensure environmental safety.

Storage Conditions

Requirement	Detail
Temperature	Store below 25 °C.
Packaging	Keep the foil sachet in the original outer carton.
Shelf Life	Shelf life is 3 years, but the collar must be used immediately after opening the sealed sachet.
Child Safety	Store out of the sight and reach of children.

Disposal Instructions

Official regulations require specialized disposal methods. The collar and its waste must not be disposed of via wastewater or domestic household waste because the active ingredient, deltamethrin, is dangerous to aquatic organisms. Unused product or waste must be managed according to local requirements, often through official take-back schemes or by consulting a veterinary professional.

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