Best Flea Treatment for Cats in 2022 (Reviews & Guide)

If your feline friend has fleas, you must be on the hunt for the best flea treatment for cats. You’ll be glad to know we did the legwork for you and compiled a list of the most effective and safe products (even for pregnant/nursing cats).

Let’s begin!

A Quick Glance at Our Top Choices

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Advantage II Flea Spot Treatment

Editor's Pick

  • Vet-recommended
  • Waterproof
  • Fragrance-free
  • Great value for money

Frontline Plus Flea & Tick Spot Treatment

Best Topical

  • Kills both fleas and ticks
  • Ideal for multiple cats
  • Waterproof
  • Many returning customers

Capstar Flea Oral Treatment

Best Chewable

  • Mess-free
  • Easy to break into pieces
  • Fast-acting results
  • More than 90% effective

Seresto Flea & Tick Collar

Most Convenient

  • Mess and odor-free
  • Non-greasy
  • Also kills ticks
  • Comes with visibility reflector clips

Bravecto Topical Solution

Best for Flea Dermatitis

  • 3-month application
  • Effective for both fleas and ticks
  • Encourages fur regrowth
  • Great for deworming


The Best Cat Flea Treatment Options in Detail

Since fleas cause considerable discomfort to pets, you’ll want to deal with the issue as fast as possible. We already talked about our top recommendations for dog flea treatment, and now, it’s time to focus on cats.

The following are the most noteworthy products according to our research.

Advantage II Flea Spot Treatment

star 10

Editor's Pick

  • Product form: Topical solution
  • Available in: 1, 2, 4, and 6 doses
  • Supply: 1 dose per month
  • Used for: Cats 8+ weeks old, over 9lbs
  • Waterproof: Yes (after 24 hours)

This is a vet-recommended flea treatment for cats, designed to eliminate all life stages of fleas. You apply it topically to your cat’s skin, and it should start working in about 12 hours. 

Advantage II Flea Spot Treatment protects your pet for up to four weeks. In some cases, a single application is enough. Still, if it’s a more severe case, you may need to re-administer the dose after 2-3 weeks. Just make sure to read the label for detailed instructions and carefully determine the appropriate dose.

We saw quite a few comments saying it seems the product used to be more effective, thus suggesting that the formula must’ve changed at one point. However, we found no official info on such changes. In addition, some kitty owners point out that the treatment is on the greasier side, which means it takes some time to absorb. It’s not a big deal, but remember to wash your hands thoroughly after petting your cat.

The vast majority of cat owners state that this product never causes balding or irritation. Nonetheless, just like us humans, all cats are different, and it may happen if your cat has highly sensitive skin. All in all, numerous positive customer comments prove that this is one of the best flea meds for cats out there.

Active ingredients: Imidacloprid 9.1%, Pyriproxyfen 0.46%


  • + Vet-recommended
  • + Waterproof
  • + Fragrance-free
  • + Great value for money


  • Used to be more effective in the past

Frontline Plus Flea & Tick Spot Treatment

star 9.9

Best Topical

  • Product form: Topical solution
  • Available in: 3, 6, and 8 doses
  • Supply: 1 dose per month
  • Used for: Cats 8+ weeks old, over 1.5lbs
  • Waterproof: Yes (after 24 hours)

Many customers claim this is the best flea and tick treatment for cats. It eliminates adult fleas, flea eggs, flea larvae, chewing lice, and ticks (even those that transmit Lyme disease). Since this can be used on kittens of all ages, it’s great for households with multiple cats. However, if your cat is on the larger side, one dose may not suffice. The treatment is already quite pricey, so this is a notable disadvantage, but many customers swear it’s worth every cent.

Like other similar products, it’s pretty greasy and takes a while to dry. Frontline’s treatment is easy to apply, but some cat owners have complaints about the packaging. Basically, they say it requires scissors, and you need to be careful not to cut the inner applicator open.

Numerous buyers add that this product started showing results very quickly. Still, there are also those who didn’t see significant improvement before 2-3 months. This is just additional proof that every pet is different and that you sometimes need a bit of patience for full effects.

We were glad to see that this brand has so many loyal customers who have been using this solution for years because they genuinely feel it’s the best topical flea treatment for cats. That says a lot about the company.

Active ingredients: Fipronil 9.8%, (S)-methoprene 11.8%


  • + Kills both fleas and ticks
  • + Ideal for multiple cats
  • + Waterproof
  • + Many returning customers


  • On the pricier side

Capstar Flea Oral Treatment

star 9.7

Best Chewable

  • Product form: Chewable tablet
  • Available in: 6 or 12 tablets
  • Supply: One tablet per day
  • Used for: Cats 4+ weeks old weighing 2-25lbs
  • Waterproof: N/A

This product is for you if you want the best oral flea treatment for cats with fast-acting results. According to the seller, it starts working within 30 minutes! This treatment kills adult fleas, but not eggs or larvae, so keep in mind that your problem won’t be solved in one day. As for the administration, pop one from the pack and give it to your cat daily for as long as needed. 

This product is perfect for cats that don’t like the smell/feel of topical products or don’t do well with flea collars. You can put it in their food if necessary. However, we must note that some say their pets can tell and won’t eat the food, so we hope Capstar will work on the taste to include picky eaters.

The biggest downside is a side effect reported by several cat owners. Some of them noticed hyperactivity, usually lasting for an hour or two. This can be expected, as the fleas will become agitated once they start dying, so you shouldn’t worry about it too much. Remember that these are only potential disadvantages, as many cats have no adverse reactions to the treatment. There are people who have been buying this treatment for years and think it’s the best flea pill for cats.

We’d say this product is excellent primarily because of how fast it starts working, but we wish the results were more long-term. That’s why we suggest combining it with flea shampoo. You can take a flea comb and remove any dead flies that didn’t come off.

Active ingredients: Nitenpyram 11.4mg


  • + Mess-free
  • + Easy to break into pieces
  • + Fast-acting results
  • + More than 90% effective


  • May cause hyperactivity for a few hours

Seresto Flea & Tick Collar

star 9.9

Most Convenient

  • Product form: Collar
  • Available in: 1 or 2 collars
  • Supply: 8 months (1 collar)
  • Used for: Cats 10+ weeks old
  • Waterproof: Only water-resistant

Besides drops and tablets, some pet owners believe collars are the best way to get rid of fleas on cats, so we decided to analyze this type of product and offer you the best we found. The Seresto Flea & Tick Collar begins to repel and kill fleas and ticks within 24 and 48 hours of initial application, respectively. 

The collar’s adjustable, so cats of all sizes can wear it. In addition, it’s easy to take off, thanks to the quick release feature. Unfortunately, this can also be a problem since some cats manage to get it off. On the plus side, the collar also comes with visibility reflector clips, which can come in handy if your cat stays outside longer.

Considering other flea treatments, it would probably be the most convenient for you as a cat owner because it’s mess-free, odor-free, and non-greasy. We also think it’s the best flea medicine for cats regarding the price. 

Other products cost more or less the same but last a few months at best. For example, the producer says it lasts eight months, provided that you don’t bathe your cat more than once per month. Still, some customers claim the collar lasted only four-six months. Another complaint is that the product used to be more effective in the past, so people wonder if the formula has changed.

As we always emphasize, not every treatment will be a perfectly good flea medicine for cats. Some buyers have nothing but good comments, but others say the collar caused fur loss and sores around their kitten’s neck, so make sure to check this area daily.

Active ingredients: Flumethrin 4.5%, Imidacloprid 10.0%.


  • + Mess and odor-free
  • + Non-greasy
  • + Also kills ticks
  • + Comes with visibility reflector clips


  • Not always as durable as advertised

Bravecto Topical Solution

star 9.8

Best for Flea Dermatitis

  • Product form: Topical solution
  • Available in: 1 or 2 doses
  • Supply: 12 or 24 weeks supply
  • Used for: Cats 6+ months old weighing 6.2-13.8lbs
  • Waterproof: Yes

This is the final item on our list of products considered the best flea medication for cats and the only one that requires a vet prescription. It should start working after a few hours. One dose offers 12 weeks of protection against fleas and ticks and eight weeks against Lone Star ticks.

You should apply this topical product every three months. Many customers are happy about this since most other topical treatments require a monthly application. Some people like that there’s no foil seal, while others believe it would be useful to prevent tampering. Generally, the Bravecto Topical Solution is easy to apply, but it’s rather greasy and difficult to absorb. Thus, the fur can remain sticky and oily for days.

Another reason why we think it’s the best flea killer for cats is fur regrowth after issues with parasites or flea dermatitis, which has been reported by many satisfied buyers. Some say the product is also excellent for deworming.

The seller notes that side effects may include vomiting, alopecia, decreased appetite, etc. Still, such complaints from users are extremely rare. On the contrary, we saw numerous comments about improved appetite and healthier coats. However, it’s essential to inform you that this kitten flea treatment hasn’t been evaluated for pregnant or lactating cats. If your cat is in that category, consider some of our other suggested products.


  • + 3-month application
  • + Effective for both fleas and ticks
  • + Encourages fur regrowth
  • + Great for deworming


  • Hasn’t been evaluated for pregnant cats

Choosing the Best Flea for Your Cat: A Short Guide

Did you know that fleas are the most common external feline parasites? They cause severe itching issues, so if you notice your cat’s struggling with this, you need to respond quickly. You should be particularly attentive if you have an outdoor cat because they are more exposed to parasites. The following mini-guide lists the main features we considered when searching for the most effective flea treatment for cats.

Fast-acting Results

Since fleas are such a nuisance, getting a kitten flea medicine that starts working quickly is preferable. Most of the products we recommended start killing fleas within a day. Still, you shouldn’t have impossible expectations. For example, according to Veterinary Practice News, skipping a month’s application after the infestation seems to be over can result in repopulation or even resistance.

Don’t forget to read the label and follow the exact instructions on how to apply the treatment. Furthermore, there’s usually information on how long you need to wait before you bathe your cat so that you don’t weaken the effect of the medicine.

Minimal Side Effects

As the Pesticide Research Institute points out, regular vacuuming and laundering and pet bathing are good low-impact ways to control fleas, but sometimes, the issue requires pesticides. Unfortunately, that’s pretty much a necessary evil. Everyone knows pesticides can lead to adverse health effects, so we must warn you that flea treatments pose that risk. 

We tried to find the best flea medicine for cats without a vet prescription that hasn’t caused terrible side effects to a lot of kittens. Still, we definitely recommend consulting your veterinarian first. Nowadays, you can even find one online.

Good Value for Money

The best flea med for cats usually isn’t cheap. Still, you’ll agree that it’s wiser to spend more on a product that works well than buy several inexpensive ones that don’t yield results. For that reason, we selected high-quality products that are effective for most cats, as that minimizes the chance you’ll have to try several medicines and thus spend more. 

Customer Feedback

Although we’ve already underlined that not all flea products for cats might be ideal for your pet, we strongly encourage you to check the feedback that buyers leave online. The flea medicines we chose all have tons of comments from satisfied buyers, some of which have been using these products for many years. Additionally, not every negative comment means it’s an awful product, but you should read them carefully.


How to get fleas off kittens?

You must eliminate fleas not only from your cat but also from other pets you have and your home. You should choose a cat flea treatment based on your pet’s lifestyle and your vet’s advice. As for your home, apart from thorough vacuuming, you might need to use insecticides.

(VCA Hospitals)

What is the fastest way to eliminate fleas?

Look for products with fast-acting results. Still, as already emphasized, you shouldn’t have unrealistic expectations. For example, a single flea can lay 40 to 50 eggs a day! In other words, you need to be persistent and apply the treatment for a few months despite its seemingly quick effectiveness.

(Veterinary Practice News)

How do indoor cats get fleas?

The most likely answer involves the so-called hitchhiker fleas. They “hitch a ride” on a warm body (other animals or pet owners in your vicinity). The flea can transfer to you and then to your cat. If you didn’t have a pet, it would be unable to complete its life cycle, but this way, it has a host.

(Fairview Animal Hospital)

Vets typically recommend topical treatments because they are highly effective and usually don’t need to be applied more than once a month.

(VCA Hospitals)

What is the best-rated flea treatment for cats?

Different pet owners have different experiences with almost every product. Still, after much research, we genuinely believe the five products we described earlier are among the best ones you can find.

Wrapping Up

At this point, we’re sure you’re more than aware of how important it is to get rid of fleas. We hope our suggestions and mini-guide helped you understand the issue and potential solutions better. So think about these products, talk to your vet, and don’t hesitate to buy the best flea treatment for cats.


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