Best Flea Drops For Cats Reviews 2021

Keep Your Pet Healthy With These Top-Rated Flea Drops For Cats

Home > Cat Supplies Reviews > Best Flea Drops For Cats
By MPLI • Updated: January 20, 2021

Have you noticed your cat scratching a lot as of late? Are their grooming habits suddenly changed or do they seem uncomfortable and sore all the time? These are all prime signs that your cat might be developing fleas. Fleas are a major threat to the health and happiness of your cat and can be responsible for any number of diseases or other unpleasant conditions.

One of the best ways to do treat your flea infestation from the start is purchasing the right flea drops as prevention products and ensure they’re designed for cats. Otherwise, they can contain ingredients that are toxic to cats. Along with flea shampoos, cat flea sprays, and flea collars, flea drops for cats are one of the safest flea treatments as well as being highly effective. These treatments are especially helpful if you have an interior cat door for your pet to go out and come back home multiple times a day that might bring fleas in.

Flea drops are applied topically, which makes them one of the best flea and tick treatment for cats. These products kill fleas and ticks on contact as well as flea eggs and larvae, which is exactly what you want it to do, especially if your cat spends time outside in an outdoor cat house or any other outdoor space.

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Top Cat Flea Drops Compared

Best Cat Flea Drops Comparison
NameSizePetTreatmentRatings
Bayer Advantage II Flea Prevention for Large Cats0.8 OzCatsPyriproxyfen & Imidacloprid4.4
Frontline Plus Flea and Tick Treatment for Cats and Kittens6 x 0.017 fl ozCatsFipronil, (S)-Methoprene4
Sentry Fiproguard Plus for Cats6 x 0.017 fl ozCatsFipronil, (S)-Methoprene3.6
Cheristin for Cats Topical Flea Treatment0.16 OzCatsSpinetoram4.2
TevraPet Actispot II Flea Prevention & Treatment for Cats2 OzCatsPyriproxyfen & Imidacloprid4
Vectra Green For Large Cats USA Version EPA Registered6 x 0.041 fl ozCatsDinotefuran, Pyriproxyfen3.8
Catego Fast-Acting Flea & Tick Treatment For Cats and Kittens3 x 0.017CatsFipronil, Dinotefuran, Pyriproxyfen4.1
PETARMOR Plus Flea & Tick Prevention for Cats with Fipronil0.16 OzCatsFipronil, (S)-Methoprene3.8
Advecta Plus Flea and Tick Squeeze on for Small Cats4 x 0.014 fl ozCatsPyriproxyfen & Imidacloprid4
Hartz Topical Flea & Tick Prevention0.8 OzCatsEtofenprox3.9

10 Best Flea Drops for Cats

Bayer Advantage II Flea Prevention for Large Cats

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Bayer Advantage II flea prevention for large cats is one of the top marketed options for people looking for effective and long-lasting flea protection. These flea drops for cats are designed for cats weighing 9 pounds or over and each package provides 6 doses. They are designed to be applied on a monthly basis and the drops inside the package will kill the fleas and ticks on contact, whether they’re eggs, larvae, or fully grown adults.

Once you apply the flea drops to your cats, they will start working within 12 hours and will continue protecting your cat for up to 30 days, making these the perfect monthly flea treatment. The Bayer Advantage II flea prevention treatment for large cats is recommended by vets, but you should also contact your veterinarian before starting any new medication on your cat.

This product is not only effective and easy to use, but also waterproof as long as it’s been allowed to sink into your cat’s skin for 24 hours. This product also doesn’t have any fragrance, making it great for sensitive cats. If you use it all year round, you’ll keep all fleas and ticks away from your cats. Overall, Bayer’s is an amazing product that provides a ton of value for your money and will keep your cats nice and healthy.

Frontline Plus Flea and Tick Treatment for Cats and Kittens

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The Frontline Plus flea and tick treatment is one of the best flea drops for cats on the market. It’s safe to use on adult cats and kittens and contains three doses, providing three months of coverage that effectively kill fleas, flea eggs, ticks and even lice for a very affordable price. If your cat is having any insect issues or you’re worried they might pick up some bugs somewhere, these flea treatments for cats are a great solution.

Frontline is also a monthly treatment that will prevent fleas and ticks for thirty days after its application. It will take care of fleas and ticks in any stage of their lifecycle and they will be killed upon instant contact.

This is a great product not only because of its bargain price but also for the benefits it provides. Your cat will not only be free of insects but also continue to repel them for the next thirty days. It’s not harsh on your cat’s skin or coat, so you can be certain they’ll be unaffected, simply protected by the powerful coverage of flea treatments. If you want to make sure your pets are not infested or struggling with fleas and ticks, you can rely on these top-notch flea drops for cats to do the job.

Sentry Fiproguard Plus Flea Drop Treatment for Cats

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The Sentry Fiproguard Plus is a great flea drop treatment for cats weighing 1.5 pounds or more, making them a great option for cats of all ages. For this affordable price, you get six doses of an effective pest-treating formula that contains the most highly-recommended active ingredients by vets: fipronil and (s)-methoprene. Sentry Fiproguard Plus will kill fleas, flea eggs, flea larvae, ticks, and lice on contact and continues to act for the next 30 days.

The Sentry Fiproguard Plus formula acts fast and is also long-lasting. Extremely waterproof and designed to be used on cats of 8 weeks and older this product applies easily and carefully to provide long-lasting, full-body protection from all kinds of nasty insects.

To apply, simply take one tube of this product and cut the narrow end off. While holding your cat with one hand, use the other to apply the solution gently by inverting the tube and parting the cat’s hair with the narrow end of the applicator. Apply the solution directly to your cat’s skin and give it a few seconds to be absorbed by their coat and skin.

Cheristin for Cats Topical Flea Treatment

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Cheristin for Cats is a popular topical flea treatment that will kill all kinds of bugs on contact and also prevent them from re-nesting inside your cat’s coat. This formula is highly effective, killing fleas just 30 minutes after its application. The product is also super easy to use because it features a rounded tip applicator, thus making your life a lot easier when you’re trying to apply it on wiggly cats.

These flea drops are specifically made for cats and recommended to be used monthly, but the formula is so strong that it will continue protecting your cat’s coat for 6 weeks after it’s applied. The dose size is the same for adult cats and kittens 8 weeks or older and at least 1.8 pounds, making this product great to stock up on if you have multiple cats in your home.

The solution in the Cheristin drops is not greasy, dries quickly and doesn’t contain any fragrances. To apply, simply hold the applicator upright and press down until you hear a click. Remove the cap and make sure the tip of the tube is open. Part your cat’s neck hair until you can see the skin and place the tip of the tube directly above it. Squeeze out the solution and let it gently dissolve and spread in your cat’s coat. Don’t use more than a dose per month and avoid getting it in your cat’s eyes or mouth for best results!

TevraPet Actispot II Cat Flea Prevention and Treatment

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The TevraPet Actispot II flea prevention and treatment for cats is a highly affordable option to consider for pet owners everywhere. The formula is effective largely because it contains vet-recommended, powerful active ingredients that kill fleas and ticks on instant contact. This product is meant for small cats of up to 9 pounds and contains 6 doses which should be applied on a monthly basis.

This formula will completely disrupt and end the life cycle of fleas while also repelling them entirely. It will take care of adult fleas, flea eggs, flea larvae, and pupae as well, saving your cats the pain and discomfort of recurring infestation or other flea-borne diseases.

This product is also waterproof, so it won’t wash off no matter how messy your cat gets, and it’s super easy to apply as well. Overall, this is the perfect choice for anyone looking to free their cats from this uncomfortable flea infestations and to continue preventing it for weeks after. It’s affordable, effective, reliable, and easy to use, making it a great option for pet owners.

Vectra Green For Large Cats USA Version EPA Registered

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The Vectra flea treatment for large cats is designed to keep even adult or larger cats feeling comfortable and content. This formula is incredibly effective, killing fleas on contact just six hours after its application. It will get rid of adult fleas as well as flea eggs, larvae, and pupae. In other words, it interrupts the life cycle of fleas completely, stopping infestations in their tracks. It’s designed for large cats but it can also be used on kittens older than 8 weeks.

Infected fleas can transmit serious diseases, so it’s important that you not only treat your cat’s flea infestation quickly, but also use products that will help you prevent it from recurring in the long run. Vectra is designed to assist with exactly that; the monthly topical flea control drops will get rid of fleas almost instantly and continue to ward them off for 30 days.

Don’t use more than one dose per month and make sure you choose the right dose for your cat’s weight and age to make sure you don’t over or underdose your cats. Overall, this is an affordable option that gets the job done quickly and effectively and will keep your cats safe from fleas both now and in the future.

Catego Fast-Acting Flea & Tick Treatment For Cats and Kittens

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If your cat has a flea and tick problem, Catego is definitely a top solution. For this affordable price, you get 3 doses that are safe for cats and kittens 1.5 pounds or over. The formula will kill fleas, flea eggs, larvae, ticks, and chewing lice upon contact only 6 hours after application. Not only is Catego highly effective, but it’s super fast-acting and will continue protecting your cats for 30 days.

Its long-lasting effects are much appreciated by outdoor cat owners or other active pet owners, and the formula contains three active ingredients that are proven to be highly effective against fleas and ticks: Fipronil, Dinotefuran and Pyriproxyfen. Another great thing about these flea drops for cats is that it’s easy to apply thanks to its patented applicator which reduces the risk of skin abrasion.

The product is non-greasy, dries quickly and protects your cats effectively. Overall, the Catego fast-acting flea and tick treatment for cats and kittens is exactly what you need to save your cats the pain of an itchy and troublesome flea infestation. It will also prevent fleas from returning in the long-term, providing a win win situation!

PETARMOR Plus Flea & Tick Prevention for Cats with Fipronil

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The PETARMOUR Plus flea and tick treatment for cats provides effective flea treatments with affordable pricing that gets rid of fleas and ticks effectively and continues to prevent them for up to 30 days after its application. You won’t need to use more than one dose a month and the PETARMOUR will completely destroy the life cycle of fleas, including eggs and larvae. It’s also effective against ticks and chewing lice!

The formula uses ingredients that are highly efficient and all recommended by vets. Once you apply the drops, the formula will start killing fleas, ticks, and lice in just 24 hours. These flea drops for cats will continue dealing with fleas and ticks for up to 12 weeks, meaning that this formula is super powerful and effective.

It will keep your cats protected from brown dog ticks, Lone Star ticks, American dog ticks, and deer ticks as well. The formula is waterproof, so it won’t wash off after application or if your cat gets caught in the rain. Overall, this is a great product for its price point and it will do exactly what you need it do, killing all fleas, ticks, and lice, and prevents your cats from picking up ticks again as long as you continue treatment.

Advecta Plus Flea and Tick Squeeze on for Small Cats

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The Advecta Plus flea and tick flea drops for cats is another amazing option for tick treatment for a low price. This effective and powerful formula breaks down the flea’s life cycle by killing them in all their stages from egg to adult. Ticks will also be handled succinctly so your cats don’t risk ticks or other insects spreading disease.

The formula in the Advecta flea drops for cats contains effective active ingredients such as imidacloprid and pyriproxyfen, which are powerful and fast-acting against fleas and ticks. The formula will start working 12 hours after you apply it to your cat’s skin and will prevent them from getting infected again for up to 4 months.

These flea drops for cats are super convenient and easy to use. The application is straightforward and the formula is completely waterproof, so it won’t wash off after you apply it. If you want to give your cat immediate flea relief and provide protection in the short and long run, this is the perfect product for you.

Hartz Topical Pet Flea & Tick Prevention Treatment

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The Hartz topical flea and tick prevention treatment is specifically created for cats and kittens of 12 weeks or older and 5 pounds and over. The product includes three doses that each provide up to a month of protection and prevent infestation for 30 days after its application. It will kill fleas, ticks, and eggs effectively, as well as repel mosquitoes, which makes this versatile flea medicine application handy for you to use!

This product is perfect for you if you have multiple cats of different ages and are trying to prevent them from spreading fleas to each other. Fleas are known to transmit diseases to both cats and humans, so the earlier you get rid of them, the better! Plus, this formula prevents flea infestations from returning for a long while, so you can make sure your cats aren’t bothered by these insects anymore.

The Hartz topical flea and tick prevention treatment will allow you to keep your cats safe all year round. You only need to apply one dose a month and can customize the dosage based on the weight and age of your cat to ensure they’re getting the best possible results from this formula. Overall, this product provides everything you’re looking for from your flea drops for cats, making them a must-have in your home!


best flea drops for cats

How Do Flea Drops for Cats Work

Flea drops are a popular solution that is designed to be applied directly to the cat’s skin. Once it’s absorbed, the solution will circulate through their sebaceous oil glands as well as their bloodstream. Some of the best flea drops for cats on the market work through killing fleas and ticks instantly on contact, and others will target and kill the flea after it bites your cat.

It’s important to understand that flea drops for cats don’t kill fleas and ticks instantly. It takes a while for the flea solution to invade a flea’s nervous system, where it will paralyze them first eventually kill them. How quickly this happens depends on the kind of flea drops for cats you get. Some formulas start working as soon as 30 minutes after application and others take a whole 24 hours. All of them work efficiently to help protect your cat from fleas and insects.

Benefits of Using Flea Drops for Cats

Liquid medications for flea treatment are great because they can be applied directly to the skin. For cats, the best spot for application is at the base of the neck. Flea drops for cats come in pre-measured doses, which will protect your cats from fleas and ticks for 30 days straight.

The formula will be absorbed by your cat’s skin and kill fleas and ticks effectively. Many of these drops contain Insect Growth Regulator (IGR) to completely disrupt the flea’s life cycle. This will prevent new infestations since the eggs won’t be able to roll off your cat’s coat into your home.

To enjoy all the benefits flea drops for cats have to offer, make sure you choose a product that’s specifically made for cats. You also need to weigh your cat so that you can choose the right dosing for their size and age. Never combine doses and always follow the instructions on the box to make sure to follow best practices.

What Ingredients Make the Best Flea Drops for Cats?

There are many formulas available on the market for top-performing cat flea treatments, but the best flea drops for cats have several active chemicals in common that are powerful against fleas and ticks.

Fipronil is highly effective because it attacks the parasite’s nervous system to ultimately kill them. It spreads easily through the body via the cat’s body oils. This process takes about a day and it’s the reason why so many flea drops continue working for a month because of its long term effectiveness.

Imidacloprid is also a popular option that works by disrupting the flea’s and tick’s nervous system. It kills adults and larvae as well. Do be careful, though- pyrethroids are also very commonly used in flea drops, as organic compounds are derived from a flower which makes it extremely popular in all-natural formulas, but it’s extremely toxic to cats. This is why it’s so important to purchase flea drops that are specifically designed for cats.

Final Words On The Best Flea Drops For Cats

Flea drops for cats are an amazing solution to cleaning out and removing all kinds of nasty insect infestations. Fleas are a real pain, nut just because they hurt and cause discomfort to our pets, but also because they cause us to have to treat and filter out our entire house as well. Fleas can also expose both your pet and your household to potentially fatal diseases, a dangerous health hazard for both parties. All of these flea drops are top-quality flea protectives that will shield your pet (and you) from other problems.

9.6 Total Score
Best cat flea drops!

We’ve provided a list of flea drops that are first and foremost for cats, but some of them can be used for dogs. All the options presented above are safe to use on cats and they’re highly effective, which means you’ll finally be free of fleas and ticks!

Bayer Advantage II Flea Prevention for Large Cats
10
Frontline Plus Flea and Tick Treatment for Cats and Kittens
9.9
Sentry Fiproguard Plus for Cats
9.8
Cheristin for Cats Topical Flea Treatment
9.7
TevraPet Actispot II Flea Prevention & Treatment for Cats
9.6
Vectra Green For Large Cats USA Version EPA Registered
9.5
Catego Fast-Acting Flea & Tick Treatment For Cats and Kittens
9.4
PETARMOR Plus Flea & Tick Prevention for Cats with Fipronil
9.3
Advecta Plus Flea and Tick Squeeze on for Small Cats
9.2
Hartz Topical Flea & Tick Prevention
9.1
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