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Here Are The Best Flea Sprays For Cats

Fleas are bothersome at the best of times, but if left untreated, they can cause discomfort and possibly lead to flea allergic dermatitis in your cat.

It's a good idea to treat your cat with flea spray at the first indication of fleas so you can start getting rid of those pesky little bugs.

The main thing is to stop the flea life cycle so that your cat and home are free of all fleas, including adults, larvae, and eggs!

There are numerous flea treatments on the market; the challenge is determining which one is best for you and your cat.

Some sprays are intended for use on both your cat and your home's surfaces, while others should only be used on your cat.

There are versions that use traditional insecticides and insect repellents, as well as natural alternatives that rely on plant-based extracts.

If you're not sure which flea spray to get for your cat, BestForPets' (bestforpets.org) reviews can help you quickly and easily locate the best flea sprays for cats.


Frontline Flea Spray — Overall Winner

If you’re seeking for the best flea spray available, Frontline Flea Spray is unrivaled. This spray destroys all life cycles of fleas, ticks, and biting lice right quickly.

This spray is ideal for cats who dislike tablets or kittens who are too young for topical medicines. It’s entirely waterproof once applied, so you can still give your cat a bath if necessary.

It also continues to work while exposed to direct sunshine, allowing your cat to sunbathe as usual. This spray is effective for 30 days after application, and all live fleas die within 24 hours of exposure.

To kill fleas that stay in the environment, you may need to spray your cat once a month. Although gloves are required, this spray is simple to use.

Check that your cat’s coat is wet. Frontline advises one to two pumps per pound of bodyweight for your cat. Because this spray has a strong odor, apply it in a well-ventilated location if possible.


  • There are two bottle sizes to choose from.
  • 100% watertight
  • Fleas, ticks, and biting lice are all controlled by this product.
  • For a period of 30 days
  • Cats above the age of 8 weeks are welcome.


  • Strong odor


Best Value for Vet’s Best Cat Flea & Tick Home Spray

The Vet’s Best Cat Flea & Tick Home Spray is the best flea spray for cats for the money.

This spray is suitable to use on cats over the age of 12 weeks and can also be used on furniture, pet bedding, crates, carpets, and other surfaces.

This comprises a blend of steam-distilled essential oils, including peppermint oil and eugenol, rather than harsh chemicals. As a result, it’s an excellent choice if you’re seeking for a more natural alternative.

Unlike chemical solutions, this flea spray has a pleasant odor and may be used both inside and outside. However, it may not be as effective as chemical flea sprays, so you may need to reapply more regularly.

This is indicated for cats above the age of 12 weeks.


  • There are two bottle sizes available.
  • Non-staining
  • Effective against fleas at all stages of development
  • It is safe to use both indoors and outdoors.
  • Formulated entirely from plants


  • Chemical formulae may not be as effective.


Premium Choice: Cedarcide Original Biting Insect Cat Spray

Our top selection is the Cedarcide Original Biting Insect Cat Spray. This has a 99% success rate in the laboratory for killing fleas.

This contains natural, plant-based components such as cedarwood oil, non-GMO soybean oil, and diatomaceous earth.

Fleas, mosquitoes, ticks, bed bugs, chiggers, and mites are all killed and repelled by this! It works to create a pest-repellent barrier around your cat when used on a regular basis.

This spray is perfectly safe for the entire family to use, and the quick-drying composition is non-oily and leaves no residue.

This can be applied weekly, however it works on touch, so you may need to keep reapplying it for a few weeks while it works to kill out any infestation.

It’s also only effective on live fleas, so you’ll have to reapply as the eggs and larvae hatch. Because of the cedarwood, this has a lovely smell, yet some individuals may find it too intense!

The only thing keeping Cedarcide from being in the top two spots on this list is the price, especially because you’ll need to apply it regularly.


  • There are five bottle sizes to choose from.
  • Made in America
  • Formulated from plants
  • Quick-drying
  • It is safe to use on pets and upholstery.


  • Expensive


Cat Flea & Tick Spray by Natural Care

It can be difficult to spray your cat’s tummy with a standard nozzle spray bottle if you need to turn the bottle upside down, but the Natural Care Cat Flea & Tick Spray solves that problem with its continuous 360-degree spray.

This mixture kills fleas, flea eggs, and ticks on contact with natural plant-based extracts such as clove extract and peppermint oil.

This is appropriate for cats and kittens aged 12 weeks and up. It offers excellent value for money, especially given that it may be used on soft furnishings, beds, and other fabrics.

Unlike some flea treatments that include harsh chemicals, the peppermint aroma is attractive. Because medication does not inhibit flea larvae, you may need to reapply it over a 30-day period to interrupt the flea cycle.


  • Derived from plant extracts
  • It is safe to use around youngsters.
  • Natural fresh smell
  • It is also suitable for use on beds and soft furnishings.
  • Excellent value for money


  • It has no effect on flea larvae.
  • Not as potent as some other sprays.


Adams Plus Pet Flea & Tick Spray

Adams Plus Flea & Tick Pet Spray contains the active chemicals etofenprox, (S)-methoprene, and piperonyl butoxide, which efficiently terminate the flea life cycle and keep your cat or kitten flea and tick free.

This trigger-action spray has the same active ingredients as some of the most effective topical therapies, so you can be confident that it will provide efficient flea protection for your cat.

If your cat has flea allergy dermatitis, this spray can help soothe and heal their skin while also removing the fleas that cause the dermatitis in the first place.

This spray is very affordable and comes in two bottle sizes. When exposed to the active chemicals frequently over a short period of time, they can induce skin irritation in humans.

As a result, it’s best to wear gloves and avoid contact as much as possible.


  • There are two bottle sizes to choose from.
  • Kills all stages of flea and tick life.
  • It also serves as a mosquito repellant.
  • Cats above the age of 12 weeks are welcome.
  • Excellent value for money


  • Human skin inflammation is possible.
  • Young kittens should not use it.


Bayer Advantage Flea Control Spray

Pyrethrins, piperonyl butoxide, and MGK 264 Insecticide Synergist are included in the Bayer Advantage Flea Treatment Spray.

Adult fleas, flea larvae, flea eggs, ticks, and lice are all effectively killed by this spray.

The whisper-quiet spray is ideal for frightened cats and may be used upside down to get those difficult-to-reach regions on their stomachs.

It will also help to prevent flea bite dermatitis and discourage fleas from maturing to the point where they bite.

A single application of this spray lasts an astonishing 100 days, so while it is somewhat more expensive per ounce than some other flea treatments, you get a lot of bang for your buck!

This spray can also be used to treat bedding, carpets, furniture, and other surfaces to help eradicate fleas from your cat’s bedding and other surfaces.


  • One application is good for 100 days.
  • Spray that is quiet
  • It is possible to spray the bottle upside down.
  • Adult fleas, eggs, and larvae are all killed.


  • Cats under the age of 7 months are not recommended.
  • Expensive

Finding the Best Flea Sprays for Cats: A Buyer's Guide

With so many flea treatments to select from, it can be difficult to determine which one is best for your cat. To assist you in making your decision, we created an useful buyer’s guide.

Why should you use flea spray?

Some cats dislike taking flea medications and may be irritated by topical flea applications. In these circumstances, a spray can be an excellent alternative.

Most cats will gladly stand while you lightly spritz their coat, especially if you offer them treats at the same time!

What is the mechanism of action of flea sprays?

This is determined by the active substances utilized and their concentration. Some flea sprays contain insecticides that kill all or some stages of the flea’s life cycle.

Others contain Insect Growth Regulators (IGRs), which inhibit larvae and eggs from growing into adult fleas, therefore disrupting the flea life cycle.

Other flea sprays use plant-based chemicals, such as essential oils, that kill some or all phases of the flea’s life cycle.

Finally, some plant-based flea treatments contain essential oils that repel but do not kill fleas.

These basically cover your cat’s coat with an unpleasant odor for fleas, making them less likely to stay on your cat’s coat to lay eggs and bite your cat.

Natural or synthetic ingredients?

Traditional chemical flea treatments are usually both safe and effective. If used too regularly, several of them can cause localized skin irritation.

Plant-based ingredients in natural flea treatments include cedarwood oil, lemongrass, and citronella.

These may not be as successful in killing fleas as sprays containing insecticides or IGRs, but the choice is ultimately up to you and the components you’re willing to employ.

Can I use flea spray on my house?

If your cat has fleas, there’s a good likelihood that their bedding and other surfaces in your home have flea eggs on them. The cycle of infestation continues as these fleas evolve into adult fleas.

As a result, in addition to treating your cat for fleas, you should also treat surfaces such as your cat’s bed, carpets, soft furniture, and anywhere else your cat may sleep or hang out on a frequent basis.

Some flea sprays are also safe to use on household surfaces, but you should always check the label of your selected product to ensure this.

Can I use other flea treatments alongside flea spray?

If you’re fighting a flea infestation and looking for quick solutions, you might be tempted to utilize alternative flea remedies alongside flea sprays.

Some solutions allow for this, and there are plant-based formulations designed to operate with topical treatments without interfering with their efficacy.

If you wish to use numerous flea treatments at the same time, always consult your veterinarian and let them know which medicines you want to use together as well as the active ingredients in each.

They can tell you whether it is safe to do so.

Are flea sprays water resistant?

Some are, while others are not. Before giving your cat a bath, always read the label to ensure that the product you’re using is waterproof!

Our top overall option is waterproof and sunlight resistant, so it lasts for a full 30 days after application, no matter what your cat does or where they go!

How should I use flea spray?

Always start by reading the manufacturer’s particular instructions. As a general rule, spray against the lay of your cat’s coat so the flea spray can enter their fur and make touch with their skin and hair roots.

Place your cat on a table or other raised place and brush their coat with your hand in the wrong direction. Spray the flea spray directly behind your cat’s raised coat.

Repeat this process until your cat’s entire coat is moist. Avoid touching their genitals, eyes, ears, or lips.

You can spray a small amount of the liquid onto your fingers and gently apply it about their face if necessary. We recommend using gloves if you have sensitive skin.


The Frontline Flea Spray is our pick for the best overall flea spray. It is simple to use and immediately begins killing fleas. It’s waterproof, resistant to direct sunlight, and lasts up to 30 days.

BestForPets (bestforpets.org) recommends the Vet’s Best Cat Flea & Tick Home Spray as the best bargain flea spray.

This spray kills all phases of flea life with natural, plant-based ingredients. It is safe to use on furniture as well as your cat’s bedding.

Our reviews of the best flea sprays for cats should have made it easy for you to decide which one is best for your cat.

Whether your cat despises tablets or you want a more natural alternative to harsher treatments containing pesticides, you have many of possibilities.

You and your cat will be happy after those annoying fleas have been expelled from your home. Please share your preferred flea spray product in the comments section below. We’d be delighted to hear from you.

Author Image

Dr. Deborah Fletcher

Deborah R. Fletcher, DVM, is a skilled veterinarian with more than 15 years of experience dealing with companion and exotic animals. She has experience caring for a variety of animals, including household cats and dogs, reptiles, birds of prey, and even primates. Dr. Fletcher is a valuable part of the BestForPets team, where she contributes to their aim of providing pets and their owners with the finest possible treatment and services.

Veterinarian (DVM) Dr. Deborah Fletcher


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