10 Best Dog And Cat Flea Treatment Drops in The UK

Last updated on 05/09/2025

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FRONTLINE

FRONTLINE Spot On Flea & Tick Treatment for Small Dog (2-10kg) 3 Pipettes

17% OffFree Shipping

Why We Love It

Kills fleas within 24 hours.
Reduces disease transmission risk.
Easy and quick application.

Main Highlights

KILLS FLEAS - Fleas jumping onto your treated dog are killed within 24 hours, preventing infestations from building up
KILLS TICKS - Ticks latching onto your treated dog are killed within 48 hours, helping to reduce the risk of disease transmission
TRIED AND TRUSTED - FRONTLINE's original vet-strength formula has an exemplary safety profile and can be used on puppies weighing more than 2 kg, from 8 weeks of age
EASY APPLICATION - Simply empty one pipette onto your dog's skin at the back of the neck and it will quickly spread over their coat - it's as easy as that
TREAT MONTHLY - It’s important to treat your pets year-round to prevent flea and tick infestations. One 3-pack provides your dog with 3 months of protection

Advantage Spot On Flea Treatment For Cats, Dogs and Rabbits Under 4kg (4 pipettes, 40mg), Kills Fleas Within 24 Hours, Prevents Further Infestation For Up To Four Weeks in Cats and Dogs

Why We Love It

Effective flea prevention duration.
Convenient single-use pipettes.
Easy monthly application.

Main Highlights

ADVANTAGE FLEA TREATMENT: Use Spot On Flea Treatment to keep your pets protected from fleas. Advantage spreads quickly across your pet’s skin and coat and is not absorbed into the bloodstream, meaning those pesky parasites do not have to bite to die 1.
FAST-ACTING FLEA PROTECTION: If you suspect your pet might be suffering with fleas, take action. Advantage kills fleas within 24 hours of application, meaning your pet can get back to living a full and happy life.
PREVENT REINFESTATION: For every adult flea that you see, there are many more eggs, larvae and pupae hidden away in carpets, upholstery and bedding. Apply spot on treatment every four weeks to prevent further infestations in cats and dogs.
FAST & SIMPLE TO APPLY: Protect your pets from fleas with our easy to apply formulation. Apply one pipette of Advantage Spot On to the skin at the back of the neck at the base of the skull for cats and rabbits, and between the shoulder blades for dogs.
"PROTECT YOUR PET, PROTECT YOUR HOME: If your pet has fleas, your home has fleas. Advantage is clinically proven to kill fleas, giving you peace of mind. With Advantage Flea Treatment, fleas are dead, not fed."

Itch | Flea & Tick Spot-On Treatment for Medium dogs (10-20kg) | Kills Fleas, Ticks, Lice & Eggs to Prevent Reinfestation | 3 Easy-Apply Pipettes

20% OffFree Shipping

Why We Love It

Kills fleas, ticks, and eggs.
Vet strength dual-action formula.
Safe for puppies and adults.

Main Highlights

KILLS FLEAS & TICKS EFFECTIVELY: Each treatment of Itch Flea effectively kills fleas in 24 hours, ticks in 48 hours and protects them for up to a month! Got a flea infestation? Use Itch Flea monthly, alongside Itch Flea Home Spray to tackle the microscopic mingers on your pet and home.
VET STRENGTH FORMULA WITH TWO ACTIVE INGREDIENTS: Fipronil kills live adult fleas, lice and ticks. Unlike cheaper brands, Itch Flea also includes (S) Methoprene. This prevents flea eggs from hatching, larvae from maturing, and immature stages from developing into adult fleas, preventing flea reproduction and massively reducing the chance of a returning infestation.
PREVENTS FLEAS COMING BACK (UNLIKE CHEAPER BRANDS) BY KILLING FLEAS, EGGS & LARVAE TOO: Not all flea treatments are equal. Our double-action formula attacks fleas, flea eggs and larvae, breaking the flea life cycle and preventing fleas coming back. Because, seriously, who wants that?
PROTECT FROM TICKS - Ticks are a threat because they carry serious diseases including Lyme Disease, Babesiosis and Tick-Borne Encephalitis Virus (TBEV) all of which can cause severe health complications for you or your dog. Itch Flea kills ticks. It won’t stop the pests from latching on, but it will kill them within 48 hours – dramatically reducing the chances of them transmitting a nasty infection.
PROTECTION FOR ADULT DOGS AND PUPPIES – pick the right size for your dog or puppy over 8 weeks old. Contains 3 treatments to be used at monthly intervals as to protect your pet from further flea issues! Itch Flea is safe for all dogs above 2kg, including those who are breeding, pregnant or lactating.

Beaphar - FIPROtec Spot-On for Medium Dogs (10-20kg) - Kills Fleas and Ticks - Vet Strength Treatment - 6 Pipettes

29% OffFree Shipping

Why We Love It

Kills fleas within 24 hours.
Monthly treatment for optimal protection.
Veterinary strength without prescription.

Main Highlights

KILLS FLEAS AND TICKS: Beaphar FIPROtec Spot-On for Medium Dogs is an effective and affordable veterinary medicine to control fleas and ticks on your dog, killing fleas within 24 hours and ticks within 48 hours.
MONTHLY TREATMENT: Effective against fleas for up to five weeks. Prevention is the best way to protect your dog from fleas and ticks. Treatment can be used every four weeks.
EASY TO APPLY: Simply part the coat between the shoulder blades until the skin is visible. Place the tip of the pipette on the skin and squeeze gently to empty its contents onto the skin. The active formula will then spread across the body and keep your dog protected.
SUITABLE FOR DOGS AND PUPPIES: Can be used on dogs and puppies from 8 weeks of age weighing 10-20kg.
VET STRENGTH TREATMENT: Beaphar FIPROtec Spot-On for Medium Dogs is a veterinary medicine available without the need for a veterinary prescription. It contains fipronil which effects the nervous system of fleas, causing hyperactivity. As a result, it is quite common to see 'more' fleas following treatment.
DEALING WITH A FLEA INFESTATION: Fleas from pets often infest the animal's basket, bedding and regular resting areas such as carpets and soft furnishings. For best results, use with Beaphar FLEAtec Household flea spray to help tackle the infestation in the home.

Bob Martin Clear Spot On Flea Treatment for Small Dogs (2-10kg) - Kills Fleas & Ticks (3 Pipettes)

17% OffFree Shipping

Why We Love It

Kills fleas and ticks effectively.
Suitable for small dogs.
Long-term flea and tick protection.

Main Highlights

KILLS FLEAS & TICKS - Effective spot-on treatment, simply apply directly on your dogs skin to kill fleas within 24 hours and ticks within 48 hours.
SMALL DOGS & PUPPIES (2-10KG) - Suitable for small dogs and puppies over 8 weeks old, weighing between 2-10kg
HOW TO USE - Simply part your dogs coat until the skin is visible, place the tip of the pipette directly against the skin and gently squeeze. Apply half to the base of the back of the dog’s head and half between the shoulder blades
PROTECT YOUR PET - Prevents re-infestation on your pet and in their immediate surroundings. The active ingredient (Fipronil) works quickly to kill fleas & ticks
LONG TERM PROTECTION - Kills fleas for up to 8 weeks and ticks for up to 4 weeks
PREVENTATIVE CARE IS THE BEST CARE - Contains 3 x spot-on pipettes to be used at monthly intervals as part of an effective and regular flea control program.
MAXIMISE YOUR PROTECTION - Use with Bob Martin Clear Plus Flea Spray for a complete parasite control regime.

FRONTLINE Spot On Flea & Tick Treatment for Cats - 3 Pipettes

28% OffFree Shipping

Why We Love It

Kills fleas within 24 hours.
Reduces disease transmission risk.
Easy application for quick protection.

Main Highlights

KILLS FLEAS - Fleas jumping onto your treated cat are killed within 24 hours, preventing infestations from building up
KILLS TICKS - Helps to reduce the risk of disease transmission by killing ticks that latch onto your treated cat
EASY APPLICATION - Simply empty one pipette onto your cat's skin at the back of the neck and it will quickly spread over their coat - it's as easy as that
TRIED AND TRUSTED - FRONTLINE's original vet-strength formula has an exemplary safety profile and can be used on kittens weighing more than 1 kg, from 8 weeks of age
TREAT MONTHLY - It’s important to treat your pets year-round to prevent flea and tick infestations. One 3-pack provides your cat with 3 months of protection

Itch | Flea & Tick Spot-On Treatment for Cats (1kg+) | Kills Fleas, Ticks, Lice & Eggs to Prevent Reinfestation | 3 Easy-Apply Pipettes

23% OffFree Shipping

Why We Love It

Breaks flea life cycle.
Kills fleas fast.
Easy application process.

Main Highlights

KILLS FLEAS & TICKS EFFECTIVELY: Each treatment of Itch Flea effectively kills fleas in 24 hours, ticks in 48 hours and protects them for up to a month! Got a flea infestation? Use Itch Flea monthly, alongside Itch Flea Home Spray to tackle the microscopic mingers on your pet and home.
VET STRENGTH FORMULA WITH TWO ACTIVE INGREDIENTS: Fipronil kills live adult fleas, lice and ticks. Unlike cheaper brands, Itch Flea also includes (S) Methoprene. This prevents flea eggs from hatching, larvae from maturing, and immature stages from developing into adult fleas, preventing flea reproduction and massively reducing the chance of a returning infestation.
PREVENTS FLEAS COMING BACK (UNLIKE CHEAPER BRANDS) BY KILLING FLEAS, EGGS & LARVAE TOO: Not all flea treatments are equal. Our double-action formula attacks fleas, flea eggs and larvae, breaking the flea life cycle and preventing fleas coming back. Because, seriously, who wants that?
PROTECT FROM TICKS - Itch Flea kills ticks. It won’t stop the pests from latching on, but it will kill them within 48 hours – dramatically reducing the chances of them transmitting a nasty infection.
PROTECTION FOR ADULT CATS AND KITTENS - Suitable for all cats and kittens over 1kg that are at least 8 weeks old. Contains 3 treatments to be used at monthly intervals as to protect your pet from further flea issues! Itch Flea is safe for all cats above 1kg, including those who are breeding, pregnant or lactating.

Advantage Spot On Flea Treatment For Cats, Dogs and Rabbits Under 4kg (1 pipette, 40mg), Kills Fleas Within 24 Hours, Prevents Further Infestation For Up To Four Weeks in Cats and Dogs

Why We Love It

Fast-acting flea control.
Water-resistant effectiveness.
Easy monthly application.

Main Highlights

ADVANTAGE FLEA TREATMENT: Use Spot On Flea Treatment to keep your pets protected from fleas. Advantage spreads quickly across your pet’s skin and coat and is not absorbed into the bloodstream, meaning those pesky parasites do not have to bite to die 1.
FAST-ACTING FLEA PROTECTION: If you suspect your pet might be suffering with fleas, take action. Advantage kills fleas within 24 hours of application, meaning your pet can get back to living a full and happy life.
PREVENT REINFESTATION: For every adult flea that you see, there are many more eggs, larvae and pupae hidden away in carpets, upholstery and bedding. Apply spot on treatment every four weeks to prevent further infestations in cats and dogs.
FAST & SIMPLE TO APPLY: Protect your pets from fleas with our easy to apply formulation. Apply one pipette of Advantage Spot On to the skin at the back of the neck at the base of the skull for cats and rabbits, and between the shoulder blades for dogs.
PROTECT YOUR PET, PROTECT YOUR HOME: If your pet has fleas, your home has fleas. Advantage is clinically proven to kill fleas, giving you peace of mind. With Advantage Flea Treatment, fleas are dead, not fed.

2 x Dog Flea & Tick Treatment Spot-On Solution Prevent Infection Kills Fleas, Lice, Ticks, Eggs and Larvae Repellent Upto 4 Months

Free Shipping

Why We Love It

Fast-acting and effective treatment.
Long-lasting up to four weeks.
Mess-free and easy application.

Main Highlights

Fast-Acting Spot-On Flea Treatment: Kills fleas, ticks, and lice on contact while preventing future infestations, making it an essential flea control solution for your dog.
Up to 4 Weeks of Protection: This powerful formula repels and eliminates fleas and ticks for up to four weeks, ensuring long-term pest control without frequent reapplications.
Easy & Mess-Free Application: The simple spot-on applicator allows for quick and effortless treatment, absorbing into the skin without leaving an oily or sticky residue.
Vet-Recommended & Safe for Dogs: Made with effective insect-repellent ingredients, this treatment is suitable for dogs and puppies, providing powerful yet gentle protection.
Prevents Flea Eggs, Larvae & Re-Infestations: Not only does it kill adult fleas and ticks, but it also stops eggs and larvae from developing, breaking the flea life cycle.

RenaSan Animal Antiseptic Ear Drops – Ear Disinfection, Kills bacteria, Stops Odours, Scratching & Discomfort, Anti-fungal (Yeast), Veterinary-grade, for Dogs, Cats & all other animals (100ml)

Free Shipping

Why We Love It

Safe for all animals.
Fast and effective treatment.
Vet-approved innovative technology.

Main Highlights

CREATED FOR ALL ANIMALS, ALL BREEDS, ALL SIZES: RenaSan Antiseptic Ear Drops are for the disinfection and cleansing of ears for all animal species. UK and EU approved for veterinary use. Made in the UK. Non-drying, non-sting. Contains no sodium hypochlorite (bleach), preservatives, alcohol or nasty chemicals.
FAST AND EFFECTIVE: For all animal species which might be affected by itching, bacteria, fungi, and yeast in ears. Also use to disinfect minor wounds, scrapes, and irritation around animal ears.
TESTED AND APPROVED: Independently laboratory tested to 12 EN test standards including EN1656 (Bactericidal) EN14476 (Virucidal), EN13697 (Fungicidal and Yeasticidal), EN13704 (Sporicidal). Beware of pet products that claim to be anti-bacterial, virucidal and/or fungicidal unless the manufacturer provides proof of EN tests. Many cannot!
INNOVATIVE & VET APPROVED: RenaSan antiseptic ear drops contain the active ingredient hypochlorous. This is one of the most powerful natural skin antiseptics and skin disinfectants available. It is antibacterial, antiviral, and antifungal. Our products are in use daily in veterinary surgeries as well as livestock and poultry farms around the UK and worldwide.
NOT ALL HYPOCHLOROUS IS MADE EQUAL: RenaSan's Hypochlorous products are made by the world leader in Hypochlorous technology, this means you can trust RenaSan to give you the most effective and most stable Hypochlorous on the market.

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Superb

We scanned 1612 products

We reviewed these offers relevant to the Dog And Cat Flea Treatment Drops within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like FRONTLINE, Advantage, Itch, Beaphar, Bob Martin, ZOPPER, RenaSan, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Dog And Cat Flea Treatment Drops in the market, we considered we took a deep dive into 8061 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is FRONTLINE Spot On Flea & Tick Treatment for Small Dog (2-10kg) 3 Pipettes. We love many things about this product by FRONTLINE. What sets it apart from the competition is Kills fleas within 24 hours, Reduces disease transmission risk, Easy and quick application.
The best value product for most shoppers and where user satisfaction is continuously the highest is Advantage Spot On Flea Treatment For Cats, Dogs and Rabbits Under 4kg (4 pipettes, 40mg), Kills Fleas Within 24 Hours, Prevents Further Infestation For Up To Four Weeks in Cats and Dogs by Advantage based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Dog And Cat Flea Treatment Drops and the best cost-to-value ratio is Beaphar - FIPROtec Spot-On for Medium Dogs (10-20kg) - Kills Fleas and Ticks - Vet Strength Treatment - 6 Pipettesat Beaphar with a 29% discount.
Our list of the best Dog And Cat Flea Treatment Drops is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Dog And Cat Flea Treatment Drops in The UK

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We scanned 1612 products

We concluded that: