Fleas are extremely common in cats and are quite often the cause for further skin problems that may affect your cat so it is very important to treat them as soon as you notice it. Luckily there are a wide range of treatments you can try and we will give you the low down on the 5 best flea treatments for cats by looking at cost, ease of administration and effectiveness with a rating out of 10 for each to help you decide on the best method for you and your cat.

Review compares the best treatment for cat fleas and selects the one by Other as the best flea treatment. In a flea treatment for cats buying guide, you can read more about the features of the different flea treatments and see a recommendation on which flea treatment for cats to buy in the UK in 2021. By considering the top list of flea treatments, you can find the best flea treatments for cats and save time shopping online.

Top 10 Best Treatment For Cat Fleas UK In 2021

1. Frontline Spot On for cats – The best efficient flea treatment

Whether fleas have taken up residence on your cat or you’re keen to protect them from an infestation, this easy spot-on treatment is ideal. It’ll kill fleas in 24 hours, ticks in 48 and even biting lice – as well as making sure they don’t come back. While it’s not suitable for very young kittens, it’s safe for pregnant and nursing cats, plus this pack comes with an ebook detailing everything you need to know about keeping fleas and ticks at bay. The pipettes are easily applied too: simply squeeze onto the base of your pet’s skull and just above the shoulder blades, let it dry and you’re good to go.

Top 10 Best Treatment For Cat Fleas UK In 2021
Top 10 Best Treatment For Cat Fleas UK In 2021

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2. Beaphar Reflective Soft Cat Flea Collar – The best “fit and forget” flea treatment

Okay, so you can’t forget about the flea collar forever. But, with four months of protection against fleas, it’s pretty low maintenance and cost-effective. It’s impregnated with permethrin so won’t be suitable for every cat, but will keep most flea-free, especially around the neck. This design has a few other good things going for it: a bell to alert potential prey to your cat’s whereabouts, an elasticated strip so your cat can wriggle out of it if it gets caught and a reflective yellow surface so your cat is seen more easily at night, especially near roads. It’s also 15cm long so it should fit bigger cats too. You can buy it as a one-off purchase, or save money with a repeat subscription

Top 10 Best Treatment For Cat Fleas UK In 2021
Top 10 Best Treatment For Cat Fleas UK In 2021

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3. Johnsons 4Fleas Cat and Kitten Tablets – The best one-hit treatment for infestations

If your cat will take pills or you can hide them in their food, these nitenpyram-based tablets are a good way of clearing an adult flea population rapidly in a single dose. It can be used alongside other flea treatments and starts killing fleas in as little as 15 minutes, getting rid of them all in 24 hours. You’ll still need to give your pet a thorough comb to remove any eggs, though, and vacuum the house. It can’t be licked off by other animals or washed away by rain, but the downside is that some cats can react badly or become hyperactive, meaning it’s best to stay with them during treatment.

Top 10 Best Treatment For Cat Fleas UK In 2021
Top 10 Best Treatment For Cat Fleas UK In 2021

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4. Safari Flea Comb for Cats – Best Comb

The flea comb is made by one of the most trusted names in pet grooming industry so you can count on its durability.

Top 10 Best Treatment For Cat Fleas UK In 2021
Top 10 Best Treatment For Cat Fleas UK In 2021

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5. Simple Solution Extreme Cat Stain and Odour Remover Enzymatic Cleaner

Easy Solution Stain + Odor Remover is specifically designed to eradicate tough dog and cat odors and stains. Stain and Odor Remover has a special formula containing Pro-Bacteria* and enzymes that function together to break down, neutralize pet stain odors, and permanently eradicate stains and odors (specific to pet messes). It also discourages the frequent marking of the area by dogs and cats. Safe to use your home’s carpet, tapestry, or other water-safe surfaces to wash urine, feces, and vomit. When used as instructed, safe to use around kids and pets.

Top 10 Best Treatment For Cat Fleas UK In 2021
Top 10 Best Treatment For Cat Fleas UK In 2021

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6. Seresto Cat Flea Collar With Tick Control, 1 Collar

Until the spot-ons were introduced this was one of the most popular methods of flea control. This method is very low maintenance for the owner and is cheaper in cost. However some cats don’t get on very well with it as it can irritate their skin and cause some hair loss around the neck. They work by releasing the active ingredient into the body of your cat that will kill off any fleas. Another point to mention is it may not be the most effective as it will only target the main areas around the neck therefore it won’t necessarily kill the fleas throughout your cats fur.

Top 10 Best Treatment For Cat Fleas UK In 2021
Top 10 Best Treatment For Cat Fleas UK In 2021

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7. Beaphar Fiprotec Spot On Cat

Beaphar FIPROtec Spot-On Solution for Cats is for the treatment and prevention of flea infestations (Ctenocephalides felis) on cats over the age of 2 months and weighing more than 1kg.

Each easy to use 0.5ml pipette contains 50mg of the active ingredient fipronil and will remain active for up to 5 weeks. Part the fur between your cat’s shoulder blades, place the tip of the pipette on the skin and apply the contents of one pipette to the skin surface. Ideally split the pipette between two places about 2cm apart, one at the base of the head and second 2-3cm further back.

For continuous flea protection, re-apply the product once every 4 weeks, but not more often.

Top 10 Best Treatment For Cat Fleas UK In 2021
Top 10 Best Treatment For Cat Fleas UK In 2021

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8. Lintbells YuMOVE Cat Hip and Joint Supplement for Stiff Cats, All Ages and Breeds 60 Capsules

Lintbells YuMOVE Cat offers a triple-action formula, expertly developed to meet the nutritional requirements of cats to support healthy joints and mobility. Lintbells YuMOVE Cat is a unique combination of advanced, high strength ingredients promote mobility and support joint function. It’s phosphate-free, fast-acting and easy to feed.

Top 10 Best Treatment For Cat Fleas UK In 2021
Top 10 Best Treatment For Cat Fleas UK In 2021

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9. Spot-Ons – Browse Products

Spot-ons are by far the most effective treatment on the market. They are simple, easy to use and can be used on kittens as young as 12 weeks. Consisting in a small vile of liquid, they need to be applied to the back of the cat’s head (just under the collar) which will kill the fleas within 24 hours and further stop the development of eggs. It provides a month long deterrent from those pesky fleas. The medicine gets absorbed into your cat’s skin and works instantly. This is a great option that if you can afford it on a monthly basis will ensure your cat is flea free.

Top 10 Best Treatment For Cat Fleas UK In 2021
Top 10 Best Treatment For Cat Fleas UK In 2021

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10. Biospotix Natural Flea and Tick Repellent Infestations Cat Spray – The best immediate flea treatment

Natural and chemical-free, this spray uses ingredients based on geraniol oil to kill fleas and ticks on contact. It works both by dehydrating the fleas’ exoskeletons and blocking their respiratory system, while also dehydrating eggs and larvae to prevent further infestation, leaving behind a protective film to repel additional parasites. Application is easy: just spritz your pet with one or two sprays, brush through and you’re done. However, geraniol can cause allergic reactions, so you’ll need to keep an eye on your cat once applied. It’s also only a solution for an infestation, rather than a long-term strategy.

Top 10 Best Treatment For Cat Fleas UK In 2021
Top 10 Best Treatment For Cat Fleas UK In 2021

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How to buy the best treatment for cat fleas for you?

How can I tell if my cat has fleas?

A fine-toothed flea comb is a handy tool for investigating, although it won’t get rid of them completely. Comb your cat’s fur while they’re on a clean pale surface and see if you can spot any fleas or small black specks, which may be flea faecal matter. Check if it is by placing it on damp cotton wool – it’ll dissolve to a reddish-brown colour.

Another way is placing it within a folded piece of paper and pressing down – if it’s flea faeces, it’ll have tiny blood-red flecks.

If you suspect your pet has fleas, you’ll need to treat your home as well. A room fogger or household flea spray (such as Indorex) used on bedding, floors and along skirting will get rid of any pests along with a thorough vacuuming.

What types of cat flea treatments are available?

All treatments will need to be used regularly to maintain protection against fleas.

Flea collars are impregnated with an insecticide that kills fleas and prevents their return. The insecticide used is commonly permethrin. It is worth noting that while this chemical is considered safe as part of a cat collar, it must not be used as a spot-on treatment. These products may be safe for dogs, but the chemical is poisonous to cats and can be deadly.

Flea collars are low maintenance and affordable – they’re often effective for up to four months before needing to be replaced. However, some cats will have too many fleas for a collar to get rid of them all, so they’re often better used as a preventative method. Collars can also cause some hair loss around the neck, while some cats are sensitive to the chemicals in them. If so, it’s better to choose another method.

Spot-ons are topical liquid drops that are applied to the back of a cat’s neck, usually under the collar, which either kill fleas (this can be as rapidly as within 24 hours) or prevent the eggs from developing. They come in small vials or pipettes and are usually applied monthly. Some drops are waterproof – great for use on rainy days – while others will need to be absorbed and dry to be effective. Spot-on treatments are more expensive than collars and need to be used more regularly but, unlike a collar, a cat can’t remove them and they’re weather-proof, making them one of the most effective flea treatments on the market.

If you’ve mastered the art of giving your cat pills or hiding them in food, oral flea tablets will kill fleas quickly (starting in as little as 15 minutes), but won’t get rid of the eggs. This makes them best for dealing with an infestation but not as a preventative measure. One tablet should do the trick but, otherwise, they’re given on a daily basis. In comparison to most methods, they can be pricey if used frequently.

How much should I spend?

At the most affordable end of the market, flea collars can cost as little as a few pounds every four months, but aren’t the best solution for every cat. Spot-on treatments can vary in price – from less than £5 to up to £25 for a six-month supply, depending on the brand. Sprays cost from £4.50 up to around £15. Tablets cost from £4 for three treatments, while injections cost around £40 each, excluding vet fees.


Because pest control products can be dangerous to your family if mishandled, we always recommend consulting with an exterminator even if just to ask for advice on how to apply pest control products yourself.

Our pest experts review each company for quality, cost, customer service, safety, and 100’s of other important factors and assess a rating out of 100.

You have reached the end of our best treatment for cat fleas UK In 2021 and we know there were a lot of products to think about. Which one of the best treatment for Cat Fleas UK In 2021 we reviewed would make the best choice for you?

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