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Blochnet

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Fipronil + Benzyl benzoate + Diethyltoluamide + S-methoprene · Astrafarm

1 form: aerosol / spray. In force in Georgia: 1 of 1 (veterinary register).

Forms and doses1 of 1 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 Dose Frequency Georgia
Aerosol / spray · Cat Cat 1 ml/kg
Spray from 25-30 cm and prevent licking until dry. Do not use below 2 kg, in puppies under 10 weeks, kittens under 12 weeks, pregnancy/lactation, infectious, convalescent or recently operated animals, or with another insectoacaricide. Toxic to rabbits, bees, fish and aquatic organisms.
 · single application; repeat only according to the official instruction		 single application; repeat only according to the official instruction Georgia Yes, veterinary
In force until 06 Apr 2028
Veterinary (National Food Agency)
In the register: ბლოხნეტ ® სპრეი
№ 000286
Verified on: 21 Oct 2026
Aerosol / spray · Dog Dog 1–2 ml/kg
Spray from 25-30 cm and prevent licking until dry. Do not use below 2 kg, in puppies under 10 weeks, kittens under 12 weeks, pregnancy/lactation, infectious, convalescent or recently operated animals, or with another insectoacaricide. Toxic to rabbits, bees, fish and aquatic organisms.
 · single application; repeat only according to the official instruction		 single application; repeat only according to the official instruction Georgia Yes, veterinary
In force until 06 Apr 2028
Veterinary (National Food Agency)
In the register: ბლოხნეტ ® სპრეი
№ 000286
Verified on: 21 Oct 2026
Details: pack, label wording, sources, registration

Blochnet, Aerosol / spray

spray 5/56/60/1 mg/ml, 125 ml for dogs and 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.
Dog Full dog label from 10 weeks and 2 kg: treatment and prevention of flea, tick and louse infestation with a fipronil, benzyl benzoate, DEET and S-methoprene spray
5.2/10
Weak evidence support
vetman assessment

Blochnet

spray 5/56/60/1 mg/ml, 125 ml for dogs and cats
Assessed clinical scopeDog · Full dog label from 10 weeks and 2 kg: treatment and prevention of flea, tick and louse infestation with a fipronil, benzyl benzoate, DEET and S-methoprene spray · On the skin
Care settingOwner or clinic spray treatment of a healthy dog with licking prevented until dry, away from cats
vetman score 5.2/10 Weak evidence support
Evidence confidence: Low Georgia: Yes, veterinary · № 000286 · Verified on 21 Oct 2026

A weak option: an easy multi-ingredient spray with a low fipronil dose, added DEET and no independent data. A proven fipronil spray or spot-on is preferable.

Regulatory and scientific credibility4.5/10

The spray is registered in Georgia (000286, valid to 2028) with a current Russian manufacturer instruction, but it has no EU, UK or US authorisation documented in the reviewed evidence and its four-ingredient mix has no public dossier.

Clinical efficacy5.0/10

At 1-2 ml/kg the dog receives 5-10 mg/kg fipronil, at or below the lower end of proven fipronil sprays, plus an insect growth regulator; there is no product study.

Safety and tolerability5.5/10

Fipronil is well tolerated, but DEET can cause vomiting, tremor and seizures if licked, and the label excludes pregnancy, lactation, puppies under 10 weeks and recently operated dogs.

Clinical practicality6.0/10

The 1-2 ml/kg volume is smaller than most fipronil sprays and the trigger sprayer is easy to use.

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 below 2 kg, in puppies under 10 weeks, during pregnancy or lactation, or in infectious, convalescent or recently operated dogs.
  • Prevent licking until dry: DEET and benzyl benzoate can cause salivation, vomiting, tremor or seizures if swallowed.
  • Do not combine with another insectoacaricide.
  • The fipronil dose is at the low end of proven sprays; check for live ticks and fleas.
  • Never use on rabbits; toxic to bees, fish and aquatic organisms.
Assessment sources
  1. Astrafarm Blochnet spray
  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.
Cat Full cat label from 12 weeks and 2 kg: treatment and prevention of flea, tick and louse infestation with a fipronil, benzyl benzoate, DEET and S-methoprene spray
4.6/10
Weak evidence support
vetman assessment

Blochnet

spray 5/56/60/1 mg/ml, 125 ml for dogs and cats
Assessed clinical scopeCat · Full cat label from 12 weeks and 2 kg: treatment and prevention of flea, tick and louse infestation with a fipronil, benzyl benzoate, DEET and S-methoprene spray · On the skin
Care settingNot recommended for cats; prefer a cat-authorised product without benzyl benzoate or DEET
vetman score 4.6/10 Weak evidence support
Evidence confidence: Low Georgia: Yes, veterinary · № 000286 · Verified on 21 Oct 2026

A weak option for cats: it contains benzyl benzoate and DEET, both hazardous to cats, with a low fipronil dose. Choose a cat-authorised fipronil product instead.

Regulatory and scientific credibility4.5/10

The spray is registered in Georgia for cats and dogs (000286, valid to 2028), but it has no EU, UK or US authorisation documented in the reviewed evidence or public dossier.

Clinical efficacy4.5/10

At 1 ml/kg the cat receives about 5 mg/kg fipronil, below proven fipronil sprays, and no product study exists.

Safety and tolerability4.0/10

Benzyl benzoate is a recognised feline toxin and cats are also sensitive to DEET; grooming after spraying makes oral exposure likely.

Clinical practicality6.0/10

A 1 ml/kg dose from a trigger sprayer is quick, but licking must be prevented until the coat is dry.

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

  • Benzyl benzoate and DEET are hazardous to cats: watch for salivation, vomiting, tremor, ataxia or seizures, wash the coat and seek urgent care if they occur.
  • Do not use below 2 kg, in kittens under 12 weeks, during pregnancy or lactation, or in infectious, convalescent or recently operated cats.
  • Do not combine with another insectoacaricide.
  • Prevent licking until the coat is completely dry.
  • Never use on rabbits; toxic to bees, fish and aquatic organisms.
Assessment sources
  1. Astrafarm Blochnet spray
  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
Fipronil5 mg/ml Benzyl benzoate56 mg/ml Diethyltoluamide60 mg/ml S-methoprene1 mg/ml
Formulation Type
Aerosol / spray
Administration route
On the skin
Manufacturer
Astrafarm · Russia
Manufacturer (register)
Scientific Innovative Enterprise Astrafarm Ltd, Russia
Manufacturer and country as in the veterinary medicines register (National Food Agency), row 805, 19 Oct 2026.
Source: NFA veterinary medicines register ↗
Registration
Georgia Yes, veterinary
In force until 06 Apr 2028
Veterinary (National Food Agency)
In the register: ბლოხნეტ ® სპრეი
№ 000286
Verified on: 21 Oct 2026
Controlled in Georgia
Unknown
DoseSpeciesWeightRouteFrequencySource
1 ml/kg
Spray from 25-30 cm and prevent licking until dry. Do not use below 2 kg, in puppies under 10 weeks, kittens under 12 weeks, pregnancy/lactation, infectious, convalescent or recently operated animals, or with another insectoacaricide. Toxic to rabbits, bees, fish and aquatic organisms.
 Cat Any weight On the skin single application; repeat only according to the official instruction
Astrafarm Blochnet spray
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.
Blochnet spray - current official instruction
Official manufacturer instruction
1–2 ml/kg
Spray from 25-30 cm and prevent licking until dry. Do not use below 2 kg, in puppies under 10 weeks, kittens under 12 weeks, pregnancy/lactation, infectious, convalescent or recently operated animals, or with another insectoacaricide. Toxic to rabbits, bees, fish and aquatic organisms.
 Dog Any weight On the skin single application; repeat only according to the official instruction
Astrafarm Blochnet spray
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.
Blochnet spray - current official instruction
Official manufacturer instruction
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

Benzyl benzoate: No dose supported by a publicly verifiable source yet

Diethyltoluamide: No dose supported by a publicly verifiable source yet

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

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