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Fipronil + Diflubenzuron + Dicarboximide (MGK-264) · AVZ S-P Ltd

2 forms: spot-on. In force in Georgia: 2 of 2 (veterinary register).

Forms and doses2 of 2 in force in Georgia

The dose from the product's label, by species and weight. Check the label of the pack you use.

Choose species and weight; the matching row will be highlighted.
Form Species Weight Dose Frequency Georgia
10/1/1 mg/ml drops, Spot-on · Cat up to 1 kg Cat up to 1 kg 0.3 ml
Apply to dry, intact skin where licking is impossible. Do not bathe for 3 days before or after treatment. Do not use during pregnancy or lactation, below 8 weeks, or in infectious, weakened or convalescent animals. The dog product is not labelled below 2 kg.
 · once; do not repeat more often than monthly		 once; do not repeat more often than monthly Georgia Yes, veterinary
In force until 06 Aug 2031
Veterinary (National Food Agency)
In the register: ბარსი® კლასიკი რწყილებისა და ტკიპების საწინააღმდეგო წვეთები
№ 001237
Verified on: 21 Oct 2026
10/1/1 mg/ml drops, Spot-on · Cat 1–3 kg Cat 1–3 kg 0.6 ml
Apply to dry, intact skin where licking is impossible. Do not bathe for 3 days before or after treatment. Do not use during pregnancy or lactation, below 8 weeks, or in infectious, weakened or convalescent animals. The dog product is not labelled below 2 kg.
 · once; do not repeat more often than monthly		 once; do not repeat more often than monthly Georgia Yes, veterinary
In force until 06 Aug 2031
Veterinary (National Food Agency)
In the register: ბარსი® კლასიკი რწყილებისა და ტკიპების საწინააღმდეგო წვეთები
№ 001237
Verified on: 21 Oct 2026
10/1/1 mg/ml drops, Spot-on · Cat over 3 kg Cat over 3 kg 1 ml
Apply to dry, intact skin where licking is impossible. Do not bathe for 3 days before or after treatment. Do not use during pregnancy or lactation, below 8 weeks, or in infectious, weakened or convalescent animals. The dog product is not labelled below 2 kg.
 · once; do not repeat more often than monthly		 once; do not repeat more often than monthly Georgia Yes, veterinary
In force until 06 Aug 2031
Veterinary (National Food Agency)
In the register: ბარსი® კლასიკი რწყილებისა და ტკიპების საწინააღმდეგო წვეთები
№ 001237
Verified on: 21 Oct 2026
Details: pack, label wording, sources, registration

BARS Classic 10/1/1 mg/ml drops, Spot-on

3 x 1 ml for cats
vetman assessment
vetman’s 10-point assessment brings together a product’s regulatory credibility, clinical efficacy, safety and practicality. Cost-effectiveness is assessed only when reliable data are available. It is informational and does not replace a veterinarian’s clinical judgment for an individual patient.
Cat
5.6/10
Weak evidence support
vetman assessment

BARS Classic

10/1/1 mg/ml drops, 3 x 1 ml for cats
Assessed clinical scopeCat · Full cat label from 8 weeks: monthly treatment and prevention of flea, tick and louse infestation with a fipronil 1%, diflubenzuron and MGK-264 spot-on · On the skin
Care settingOwner-applied monthly ectoparasite control for a healthy cat
vetman score 5.6/10 Weak evidence support
Evidence confidence: Low Georgia: Yes, veterinary · № 001237 · Verified on 21 Oct 2026

A weak option for cats: fipronil is cat-safe, but this product gives a much lower dose than proven fipronil spot-ons and has no independent data.

Regulatory and scientific credibility4.5/10

The exact product is registered in Georgia (001237, valid to 2031) with a current Russian manufacturer instruction, but there is no EU, UK or US dossier.

Clinical efficacy4.5/10

The cat bands deliver only 3-10 mg fipronil per cat (often 2-3 mg/kg), well below the 50 mg per cat of EU-authorised fipronil spot-ons, and no study supports this lower dose.

Safety and tolerability7.0/10

Fipronil is safe in cats; the label excludes pregnancy, lactation, kittens under 8 weeks and sick or convalescent cats.

Clinical practicality7.0/10

A weight-banded dose of 0.3, 0.6 or 1 ml monthly from the 1 ml pipettes is simple, but partial pipettes must be measured for small cats.

Full-course cost-effectiveness-

No verified current Georgian price or patient-adjusted course cost was found; foreign prices were not substituted.

Important safety and use flags

  • Do not use during pregnancy or lactation, in kittens under 8 weeks, or in infectious, weakened or convalescent cats.
  • The fipronil dose per cat is about one fifth of EU-authorised spot-ons; check for live fleas and ticks and switch product if control is poor.
  • Apply to dry intact skin where the cat cannot lick, and do not bathe for 3 days before or after.
  • Do not use the dog pipettes on cats, and do not repeat more often than monthly.
Assessment sources
  1. AVZ BARS Classic cat2026
  2. Georgia NFA register 20262026
  3. ESCCAP ectoparasite guideline2024
  4. CAPC flea guideline2026
Assessed: 23 Oct 2026The overall score uses 25/25/25/15/10 weights. An unassessed price is excluded and the remaining weights are proportionally renormalised.
Composition / strength
Fipronil10 mg/ml Diflubenzuron1 mg/ml Dicarboximide (MGK-264)1 mg/ml
Formulation Type
Spot-on
Administration route
On the skin, auricular
Manufacturer
AVZ S-P Ltd · Russia
Manufacturer (register)
AVZ S-P LTD, Russia
Manufacturer and country as in the veterinary medicines register (National Food Agency), row 1842, 19 Oct 2026.
Source: NFA veterinary medicines register ↗
Registration
Georgia Yes, veterinary
In force until 06 Aug 2031
Veterinary (National Food Agency)
In the register: ბარსი® კლასიკი რწყილებისა და ტკიპების საწინააღმდეგო წვეთები
№ 001237
Verified on: 21 Oct 2026
Controlled in Georgia
Unknown
DoseSpeciesWeightRouteFrequencySource
0.3 ml
Apply to dry, intact skin where licking is impossible. Do not bathe for 3 days before or after treatment. Do not use during pregnancy or lactation, below 8 weeks, or in infectious, weakened or convalescent animals. The dog product is not labelled below 2 kg.
 Cat up to 1 kg On the skin once; do not repeat more often than monthly
AVZ BARS Classic cat
Manufacturer material
Information published by the maker or a seller, such as a datasheet or product page. A medicines regulator has not necessarily reviewed it.
BARS Classic drops for cats - current official instruction
Current official manufacturer instruction, 2026
0.6 ml
Apply to dry, intact skin where licking is impossible. Do not bathe for 3 days before or after treatment. Do not use during pregnancy or lactation, below 8 weeks, or in infectious, weakened or convalescent animals. The dog product is not labelled below 2 kg.
 Cat 1–3 kg On the skin once; do not repeat more often than monthly
AVZ BARS Classic cat
Manufacturer material
Information published by the maker or a seller, such as a datasheet or product page. A medicines regulator has not necessarily reviewed it.
BARS Classic drops for cats - current official instruction
Current official manufacturer instruction, 2026
1 ml
Apply to dry, intact skin where licking is impossible. Do not bathe for 3 days before or after treatment. Do not use during pregnancy or lactation, below 8 weeks, or in infectious, weakened or convalescent animals. The dog product is not labelled below 2 kg.
 Cat over 3 kg On the skin once; do not repeat more often than monthly
AVZ BARS Classic cat
Manufacturer material
Information published by the maker or a seller, such as a datasheet or product page. A medicines regulator has not necessarily reviewed it.
BARS Classic drops for cats - current official instruction
Current official manufacturer instruction, 2026
50/1/5 mg/ml drops, Spot-on · Dog 2–10 kg Dog 2–10 kg 1.4 ml
Apply to dry, intact skin where licking is impossible. Do not bathe for 3 days before or after treatment. Do not use during pregnancy or lactation, below 8 weeks, or in infectious, weakened or convalescent animals. The dog product is not labelled below 2 kg.
 · once; do not repeat more often than monthly		 once; do not repeat more often than monthly Georgia Yes, veterinary
In force until 01 Apr 2028
Veterinary (National Food Agency)
In the register: ბარსი® კლასიკი
№ 000824
Verified on: 21 Oct 2026
50/1/5 mg/ml drops, Spot-on · Dog 10–20 kg Dog 10–20 kg 2.8 ml
Apply to dry, intact skin where licking is impossible. Do not bathe for 3 days before or after treatment. Do not use during pregnancy or lactation, below 8 weeks, or in infectious, weakened or convalescent animals. The dog product is not labelled below 2 kg.
 · once; do not repeat more often than monthly		 once; do not repeat more often than monthly Georgia Yes, veterinary
In force until 01 Apr 2028
Veterinary (National Food Agency)
In the register: ბარსი® კლასიკი
№ 000824
Verified on: 21 Oct 2026
50/1/5 mg/ml drops, Spot-on · Dog over 20 kg Dog over 20 kg 0.14 ml/kg
Apply to dry, intact skin where licking is impossible. Do not bathe for 3 days before or after treatment. Do not use during pregnancy or lactation, below 8 weeks, or in infectious, weakened or convalescent animals. The dog product is not labelled below 2 kg.
 · once; do not repeat more often than monthly		 once; do not repeat more often than monthly Georgia Yes, veterinary
In force until 01 Apr 2028
Veterinary (National Food Agency)
In the register: ბარსი® კლასიკი
№ 000824
Verified on: 21 Oct 2026
Details: pack, label wording, sources, registration

BARS Classic 50/1/5 mg/ml drops, Spot-on

4 x 1.4 ml for dogs
vetman assessment
vetman’s 10-point assessment brings together a product’s regulatory credibility, clinical efficacy, safety and practicality. Cost-effectiveness is assessed only when reliable data are available. It is informational and does not replace a veterinarian’s clinical judgment for an individual patient.
Dog
6.2/10
Situational / acceptable
vetman assessment

BARS Classic

50/1/5 mg/ml drops, 4 x 1.4 ml for dogs
Assessed clinical scopeDog · Full dog label from 8 weeks and 2 kg: monthly treatment and prevention of flea, tick and louse infestation with a fipronil 5%, diflubenzuron and MGK-264 spot-on · On the skin
Care settingOwner-applied monthly ectoparasite control for a healthy dog, with a tick check after outdoor exposure
vetman score 6.2/10 Situational / acceptable
Evidence confidence: Low Georgia: Yes, veterinary · № 000824 · Verified on 21 Oct 2026

A situational fipronil spot-on for dogs: the dose matches proven fipronil products, but the exact formulation has no independent study or major-regulator dossier.

Regulatory and scientific credibility5.0/10

The exact product is registered in Georgia (000824, valid to 2028) with a current Russian manufacturer instruction; fipronil spot-ons are authorised in the EU, but this exact product has no EU, UK or US dossier.

Clinical efficacy6.0/10

The labelled bands give at least about 7 mg/kg fipronil, in line with EU-authorised spot-ons, and diflubenzuron adds flea growth regulation; there is no independent study of this formulation.

Safety and tolerability7.0/10

Fipronil is well tolerated by dogs; the label excludes pregnancy, lactation, puppies under 8 weeks and sick or convalescent dogs.

Clinical practicality7.0/10

One pipette monthly for 2-20 kg, or 0.14 ml/kg above 20 kg, is simple, though no bathing is allowed for 3 days before and after.

Full-course cost-effectiveness-

No verified current Georgian price or patient-adjusted course cost was found; foreign prices were not substituted.

Important safety and use flags

  • Do not use during pregnancy or lactation, in puppies under 8 weeks or 2 kg, or in infectious, weakened or convalescent dogs.
  • Do not use on rabbits: fipronil is toxic to them.
  • Fipronil kills ticks after attachment and does not repel them; in tick-borne disease areas consider a repellent or faster-killing product.
  • Apply to dry intact skin where the dog cannot lick, and do not bathe for 3 days before or after.
  • Do not repeat more often than monthly.
Assessment sources
  1. AVZ BARS Classic dog2026
  2. Georgia NFA register 20262026
  3. ESCCAP ectoparasite guideline2024
  4. CAPC flea guideline2026
Assessed: 23 Oct 2026The overall score uses 25/25/25/15/10 weights. An unassessed price is excluded and the remaining weights are proportionally renormalised.
Composition / strength
Fipronil50 mg/ml Diflubenzuron1 mg/ml Dicarboximide (MGK-264)5 mg/ml
Formulation Type
Spot-on
Administration route
On the skin, auricular
Manufacturer
AVZ S-P Ltd · Russia
Manufacturer (register)
AVZ S-P Ltd, Russia
Manufacturer and country as in the veterinary medicines register (National Food Agency), row 1355, 19 Oct 2026.
Source: NFA veterinary medicines register ↗
Registration
Georgia Yes, veterinary
In force until 01 Apr 2028
Veterinary (National Food Agency)
In the register: ბარსი® კლასიკი
№ 000824
Verified on: 21 Oct 2026
Controlled in Georgia
Unknown
DoseSpeciesWeightRouteFrequencySource
1.4 ml
Apply to dry, intact skin where licking is impossible. Do not bathe for 3 days before or after treatment. Do not use during pregnancy or lactation, below 8 weeks, or in infectious, weakened or convalescent animals. The dog product is not labelled below 2 kg.
 Dog 2–10 kg On the skin once; do not repeat more often than monthly
AVZ BARS Classic dog
Manufacturer material
Information published by the maker or a seller, such as a datasheet or product page. A medicines regulator has not necessarily reviewed it.
BARS Classic drops for dogs - current official instruction
Current official manufacturer instruction, 2026
2.8 ml
Apply to dry, intact skin where licking is impossible. Do not bathe for 3 days before or after treatment. Do not use during pregnancy or lactation, below 8 weeks, or in infectious, weakened or convalescent animals. The dog product is not labelled below 2 kg.
 Dog 10–20 kg On the skin once; do not repeat more often than monthly
AVZ BARS Classic dog
Manufacturer material
Information published by the maker or a seller, such as a datasheet or product page. A medicines regulator has not necessarily reviewed it.
BARS Classic drops for dogs - current official instruction
Current official manufacturer instruction, 2026
0.14 ml/kg
Apply to dry, intact skin where licking is impossible. Do not bathe for 3 days before or after treatment. Do not use during pregnancy or lactation, below 8 weeks, or in infectious, weakened or convalescent animals. The dog product is not labelled below 2 kg.
 Dog over 20 kg On the skin once; do not repeat more often than monthly
AVZ BARS Classic dog
Manufacturer material
Information published by the maker or a seller, such as a datasheet or product page. A medicines regulator has not necessarily reviewed it.
BARS Classic drops for dogs - current official instruction
Current official manufacturer instruction, 2026
Active substance doses, with sources
Active substance Fipronil
Dose calculatorCalculates the active-substance amount; it is not a prescription.
PatientSpecies and weight will be filled in automatically in other calculators.
Selected dose
Dose Species Indication Route Frequency Source
6.7 mg/kg Dog Maintenance On the skin not more often than once every 4 weeks
VMD SPC 2025
Official product label (SPC), VMD, UK
Approved by the UK Veterinary Medicines Directorate (VMD) as part of the product's authorisation. It applies to that product as authorised there.
Frontline Combo 67.00 mg / 60.30 mg spot-on solution for dog S - Summary of Product Characteristics
UK Veterinary Medicines Directorate, 2025
7.5–15 mg/kg Dog, Cat Maintenance On the skin not more often than once every 4 weeks
VMD SPC 2026
Official product label (SPC), VMD, UK
Approved by the UK Veterinary Medicines Directorate (VMD) as part of the product's authorisation. It applies to that product as authorised there.
Frontline Spray 0.25% w/v cutaneous spray solution - Summary of Product Characteristics
UK Veterinary Medicines Directorate, 2026
5 mg/kg Cat Maintenance On the skin not more often than once every 4 weeks
VMD SPC 2025
Official product label (SPC), VMD, UK
Approved by the UK Veterinary Medicines Directorate (VMD) as part of the product's authorisation. It applies to that product as authorised there.
Frontline Combo 50.00 mg / 60.00 mg spot-on solution for cat - Summary of Product Characteristics
UK Veterinary Medicines Directorate, 2025
8.3 mg/kg Cat Maintenance On the skin not more often than once every 4 weeks
VMD SPC 2025
Official product label (SPC), VMD, UK
Approved by the UK Veterinary Medicines Directorate (VMD) as part of the product's authorisation. It applies to that product as authorised there.
Effipro Duo 50 mg/60 mg Spot-on Solution for Cats - Summary of Product Characteristics
UK Veterinary Medicines Directorate, 2025

Diflubenzuron: No dose supported by a publicly verifiable source yet

Dicarboximide (MGK-264): No dose supported by a publicly verifiable source yet

Known Contraindications

  • Critical Fipronil
    Do not use in cases of hypersensitivity to the active substances or to any of the excipients.
    Sources: VMD SPC · VMD
  • Critical Fipronil
    Do not use on sick (e.g. systemic diseases, fever) or convalescent animals.
    Sources: VMD SPC · VMD
  • Warning Fipronil (Dog)
    In the absence of available data, the veterinary medicinal product should not be used on puppies less than 8 weeks old and/or weighing less than 2 kg. Puppies and kittens from 2 days of age may be safely treated. Nepoužívat u štěňat do 3 dnů stáří.
    Sources: VMD SPC · VMD
  • Warning Fipronil (Cat)
    In the absence of available data, the veterinary medicinal product should not be used on kittens less than 8 weeks old and/or weighing less than 1 kg. Nepoužívat u koťat do 8 týdnů stáří. Puppies and kittens from 2 days of age may be safely treated.
    Sources: VMD SPC · VMD
  • Caution Fipronil (Cat)
    The potential toxicity of the veterinary medicinal product for kittens of less than 8 weeks of age in contact with a treated queen is not documented. Special care should be taken in this case. Data are not available on treatment of pregnant queens or nursing queens. Přípravek může být podán chovným, březím i laktujícím kočkám.
    Sources: VMD SPC · VMD

Products are connected by name, active ingredients, or therapeutic group. They are not direct substitutes for one another.

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Professional reference for veterinary professionals. Not advertising and not a substitute for the product label/SPC.

For veterinary professionals only. It does not replace clinical judgement or the product label; check the dose in the official label (SPC). vetman is not liable for harm caused by using this information.

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This reference is still growing. Missing a product? Let us know. · Report an error or request an addition · Updated: 21 Oct 2026

All of this shows in vetman as you prescribe

The dose for the patient's weight, registration in Georgia and controlled status, right on the prescription.

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