10 Best Extra Strong Flea Treatment for Cats in the UK 2025
Updated on 16/07/2025
#1
Recommended
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- Provides protection against fleas and ticks for up to 8 months
- Active ingredients are released steadily for long-lasting effectiveness
- Equipped with a safety release mechanism
- Water-resistant and odor-free design
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- Provides protection against fleas and ticks for up to 8 months
- Active ingredients are released steadily for long-lasting effectiveness
- Equipped with a safety release mechanism
- Water-resistant and odor-free design
#2
Value for Money
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- 250ml Frontline Spray for effective pet pest control
- Product designed specifically for managing pests in pets
- Trusted brand: Frontline
- Convenient 250ml size for easy application
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- 250ml Frontline Spray for effective pet pest control
- Product designed specifically for managing pests in pets
- Trusted brand: Frontline
- Convenient 250ml size for easy application
#3
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- Breaks the flea life cycle for large cats and rabbits
- Topical application is simple; use every 4 weeks for continuous protection
- Kills fleas on contact; no need for fleas to bite
- Eliminates fleas within 24 hours; prevents reinfestation for up to 4 weeks for cats
- Effective for large cats and rabbits over 4kg
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- Breaks the flea life cycle for large cats and rabbits
- Topical application is simple; use every 4 weeks for continuous protection
- Kills fleas on contact; no need for fleas to bite
- Eliminates fleas within 24 hours; prevents reinfestation for up to 4 weeks for cats
- Effective for large cats and rabbits over 4kg
#4
19% Off
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- Controls fleas within 24 hours and ticks within 48 hours.
- Provides up to five weeks of flea protection; can be applied monthly.
- Designed for easy application between the shoulder blades.
- Safe for cats and kittens over 8 weeks old and weighing more than 1kg.
- Contains Fipronil, targeting flea nervous systems for effective results.
- Recommended to use alongside household flea spray for comprehensive infestation management.
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- Controls fleas within 24 hours and ticks within 48 hours.
- Provides up to five weeks of flea protection; can be applied monthly.
- Designed for easy application between the shoulder blades.
- Safe for cats and kittens over 8 weeks old and weighing more than 1kg.
- Contains Fipronil, targeting flea nervous systems for effective results.
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#5
21% Off
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- Tablets effectively eliminate fleas on cats and kittens from 4 weeks of age.
- Compatible with other flea and worm treatments; does not leave residue on coat or in home.
- Each tablet kills fleas within 24 hours of administration.
- Can be administered whole or mixed into food for easy consumption.
- Suitable for kittens and cats over 4 weeks of age and weighing more than 1 kg.
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- Tablets effectively eliminate fleas on cats and kittens from 4 weeks of age.
- Compatible with other flea and worm treatments; does not leave residue on coat or in home.
- Each tablet kills fleas within 24 hours of administration.
- Can be administered whole or mixed into food for easy consumption.
- Suitable for kittens and cats over 4 weeks of age and weighing more than 1 kg.
#6
48% Off
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- Eliminates fleas within 24 hours and ticks within 48 hours, protecting cats from irritation and potential diseases.
- Prevents flea eggs from hatching, reducing the risk of home infestations.
- Easy to apply; just empty one pipette at the base of the neck for effective coverage.
- Trusted vet-strength formula safe for cats and kittens over 1 kg, starting from 8 weeks of age.
- Monthly treatment helps prevent flea and tick infestations year-round, with a 6-pack offering 6 months of protection.
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- Eliminates fleas within 24 hours and ticks within 48 hours, protecting cats from irritation and potential diseases.
- Prevents flea eggs from hatching, reducing the risk of home infestations.
- Easy to apply; just empty one pipette at the base of the neck for effective coverage.
- Trusted vet-strength formula safe for cats and kittens over 1 kg, starting from 8 weeks of age.
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#7
29% Off
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- Eliminates fleas within 24 hours and ticks within 48 hours to safeguard cats from parasites and related diseases.
- Prevents flea eggs from hatching, disrupting the life cycle and reducing home infestations.
- User-friendly application—apply one pipette to the base of the neck for even distribution over the coat.
- Proven formula with a strong safety record, suitable for cats and kittens over 1 kg and 8 weeks old.
- Regular treatment every four weeks is necessary to maintain protection against fleas and ticks; a 3-pack ensures 3 months of coverage.
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- Eliminates fleas within 24 hours and ticks within 48 hours to safeguard cats from parasites and related diseases.
- Prevents flea eggs from hatching, disrupting the life cycle and reducing home infestations.
- User-friendly application—apply one pipette to the base of the neck for even distribution over the coat.
- Proven formula with a strong safety record, suitable for cats and kittens over 1 kg and 8 weeks old.
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#8
16% Off
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- Effective against fleas and their eggs; kills fleas within 24 hours and prevents egg hatching for up to 6 weeks.
- Eliminates ticks and biting lice within 48 hours.
- Provides up to four weeks of flea protection; apply monthly for best results.
- Suitable for cats and kittens over 8 weeks and 1kg.
- Easy application directly on the skin between shoulder blades.
- Veterinary strength with fipronil; may cause temporary flea hyperactivity post-application.
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- Effective against fleas and their eggs; kills fleas within 24 hours and prevents egg hatching for up to 6 weeks.
- Eliminates ticks and biting lice within 48 hours.
- Provides up to four weeks of flea protection; apply monthly for best results.
- Suitable for cats and kittens over 8 weeks and 1kg.
- Easy application directly on the skin between shoulder blades.
- Veterinary strength with fipronil; may cause temporary flea hyperactivity post-application.
#9
24% Off
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- Rapid relief from fleas and ticks, with instant results for fleas and effects on ticks within 24-48 hours.
- Dual-action formula offers protection against both fleas and ticks, minimizing disease transmission risks.
- Easy application using a pipette on the back of the cat's neck ensures effective coverage.
- Contains fipronil, a powerful active ingredient offering effective treatment without needing a vet prescription for cats from 8 weeks old.
- Monthly usage provides continuous protection against fleas and ticks throughout the year.
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- Rapid relief from fleas and ticks, with instant results for fleas and effects on ticks within 24-48 hours.
- Dual-action formula offers protection against both fleas and ticks, minimizing disease transmission risks.
- Easy application using a pipette on the back of the cat's neck ensures effective coverage.
- Contains fipronil, a powerful active ingredient offering effective treatment without needing a vet prescription for cats from 8 weeks old.
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#10
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- Effective against fleas and their eggs; kills fleas within 24 hours and prevents egg hatching.
- Eliminates ticks and biting lice within 48 hours.
- Monthly treatment provides ongoing protection; kills fleas for four weeks and prevents egg development for six weeks.
- Safe for cats and kittens from 8 weeks and over 1kg.
- Easy application by parting fur at the shoulder blades to apply directly on the skin.
- Vet-strength formula contains fipronil, causing fleas to become hyperactive before dying.
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- Effective against fleas and their eggs; kills fleas within 24 hours and prevents egg hatching.
- Eliminates ticks and biting lice within 48 hours.
- Monthly treatment provides ongoing protection; kills fleas for four weeks and prevents egg development for six weeks.
- Safe for cats and kittens from 8 weeks and over 1kg.
- Easy application by parting fur at the shoulder blades to apply directly on the skin.
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