Best Flea Collar for Dogs in 2024: Keeping Canines Itch-Free!

Best Flea Collar for Dogs in 2023

There are many aspects to pet care, and when you have a dog, one of the most important things you can do for their health is to protect them against fleas, ticks, and other pests that can cause illness. With my black lab Ranger, I often use topical solutions or sometimes oral treatments as flea treatment, but at the beginning of a season, I will use a flea collar to help jumpstart his care. 

Some people rely on essential oils to help deter fleas and ticks, but these need to be used in a very specific way; otherwise, they can cause more harm than good. Rather than use those, I recommend sticking with flea collars for dogs or well-known topical treatments. Some even contain cedar and peppermint oils.

As pet parents, protecting your dog against fleas and ticks through the use of a collar for dogs is one of the best things you can do. If you’re not sure what kind of flea collar to use to kill fleas, even for cats, speak with your veterinarian, as they can offer insight into what type of protection is needed where you live.



Product Details

Longest Lasting Protection

best flea and tick collar for dogs

Seresto Flea & Tick Prevention Collar

  • Age Range: All Life Stages

Best Budget Option

flea and tick collar for dogs

Zodiac Flea and Tick Collar for Small Dogs

  • Age Range: Small Breeds, Medium Breeds

Full Body Protection Against Multiple Pests

best flea collars for dogs

Adams Flea and Tick Collar For Dogs

  • Age Range: Puppy

Built-In Nighttime Safety 

flea and tick collar dog

 Hartz UltraGuard Pro Flea & Tick Collar for Dogs and Puppies

  • Age Range: All Life Stages

All-Natural Option

Vet's Best Flea and Tick Repellent Collar for Dogs

Vet’s Best Flea and Tick Repellent Dog Collar

  • Age Range: Adult

Full Protection from Three Pests

flea collars for small dogs

TevraPet Activate II Flea and Tick Collar for Dogs

  • Age Range: Adult

Best Flea Collars for Dogs

If you’re wondering are flea collars safe, they can be safe when used correctly and with the guidance of a veterinarian. However, it’s essential to choose a high-quality collar, ensure it fits properly, and monitor your dog for any adverse reactions. Always consult with your veterinarian to select the safest flea collar option for your specific pet.

Flea collars contain insecticides that mix with your dog’s natural oils and spread to provide full body protection. The active ingredients may differ from brand to brand, but they all serve the same purpose. Best of all, they fit seamlessly with other collars, even the best bark dog collar for small dogs or the best smart dog collar on the market. 

Fleas can cause severe health issues, such as skin irritation, which can lead to constant itching. Skin irritations can also lead to loss of fur, which isn’t good. Ticks can carry a variety of diseases and can cause other health concerns, though the most common one they infect pets with is Lyme disease. 

There are a number of flea collars on the market, and it can be time-consuming to go through the different brands. We’ve done all the legwork, looking at the various options and the most popular flea and tick collars on the market. Here are the best flea collars based on our findings: 

If you’re looking for an effective collar that offers long-lasting protection against multiple parasites, the Seresto Flea & Tick prevention collar lasts for up to eight months, and then you’ll need to apply a new flea collar.

It safeguards your dog against flea larvae and adult fleas, ticks, and lice without the need for a prescription. It’s a hassle-free method to kill pests with a non-greasy feel. Seresto flea collars contain two insecticides — 10% Imidacloprid and 4.5% Flumethrin — as the active ingredients. 

tick collar for dogs

To use, simply remove the Seresto flea and tick collar from its protective bag and then put it around your dog’s neck before trimming it down to size. 


  • Easy to put on your pet

  • Doesn’t interfere with other collars


  • Not for small adult dogs or puppies under 18 pounds 
best flea and tick collar for dogs

Seresto Flea & Tick Prevention Collar

The price of Seresto Flea & Tick Prevention Collar  varies, so check the latest price at

The Zodiac Flea and Tick collar for small dogs is designed to repel and kill fleas and ticks. It’s a suitable prevention for canines of all ages, from puppies to seniors. It fits extra small, small, and medium dog breeds and provides continuous protection for 7 months.

The active ingredient in this flea tick collar is Tetrachlorvinphos, an insecticide that makes up 14.55% of the collar’s composition. 

To apply this flea collar, simply remove it from the packaging and stretch it out to activate the ingredients. Then, place it on your pet, allowing some extra length for adjustments, and cut off the excess. 


  • Water-resistant, pups can splash with it on


  • Not for puppies under 6 weeks of age

flea and tick collar for dogs

Zodiac Flea and Tick Collar for Small Dogs

The price of Zodiac Flea and Tick Collar for Small Dogs varies, so check the latest price at

The Adams Flea and Tick Collar for Dogs is an all-in-one formula that repels and kills ticks and fleas of all stages. This includes tick nymphs and larvae as well as flea eggs and larvae. It offers 7 months of protection for all age dogs and is water resistant, so your pet can swim, splash, and bathe with it on.

The active ingredients in these flea collars are Tetrachlorvinphos (14.55%) and (S)-Methoprene (1.02%). 

In order to put these dog flea collars on your pet, it’s necessary to stretch it out to activate the insecticide generator. You can leave a few inches on the collar to allow for growth. 


  • Kills all stages of fleas and ticks

  • Odorless formula


  • Not suitable for small dogs
best flea collars for dogs

Adams Flea and Tick Collar For Dogs

The price of  Adams Flea and Tick Collar For Dogs varies, so check the latest price at

The Hartz UltraGuard Pro Flea & Tick Collar adds two levels of protection. First, it helps kill and repel fleas and ticks, and second, it has a reflective stripe, which increases your pet’s visibility at night. This collar for dogs works for up to seven months and helps to interrupt the life cycle to prevent re-infestation.

It’s suitable for puppies and dogs at least 12 weeks old. This repellent collar contains 14.55% Tetrachlorvinphos and 1.02% (S) Methoprene as its active ingredients. 

flea and tick collar

Measure your pet’s neck using a soft measuring tape or a ribbon or string, and then cut the Hartz UltraGuard flea collar to that length, plus two or three inches to give room for growth. 


  • Made in the USA

  • Water-resistant

  • One size fits all flea collar


  • Not for puppies under 12 weeks old
flea and tick collar dog

Hartz UltraGuard Pro Flea & Tick Collar for Dogs and Puppies

The price of  Hartz UltraGuard Pro Flea & Tick Collar for Dogs and Puppies varies, so check the latest price at

If you’re in the market for a natural flea collar that’s made with all-natural ingredients, you’ll appreciate this plant-based option from Vet’s Best. The flea and tick repellent collar contains steam-distilled cedar and peppermint oils as the active ingredients, 4.3% of each.

The flea collar is one-size-fits-all, so it works on small breeds as well as medium and large dog breed sizes. It also offers full protection for your dog’s entire body, from head to tail. The protection level on this natural flea collar repels pests, including fleas and ticks, for your furry friend for up to four months. 

how do dog flea collars work

You can apply the collar by removing it from the packaging and removing the activation dots. Then, follow the two-finger rule for fitting purposes.


  • Natural ingredients kill fleas

  • Phthalates and PVC-free, making it environmentally friendly


  • Not suitable for puppies under 4 months of age
Vet's Best Flea and Tick Repellent Collar for Dogs

Vet’s Best Flea and Tick Repellent Dog Collar

The price of Vet’s Best Flea and Tick Repellent Dog Collar varies, so check the latest price at

The TevraPet Activate II flea and tick collar helps protect against three main pests: adult fleas, adult ticks, and mosquitoes. This tick collar for dogs is designed to issue a time-released formula to help rid your dog of a flea infestation.

The package contains two flea and tick repellent collars, each lasting 6 months for a full year of protection — or you can use them on two separate dogs. This tick collar contains Deltamethrin And Pyriproxyfen as the active ingredients, which kill on contact and don’t require the fleas or ticks to bite to ingest the insecticide. It starts working within 24 hours of application. 

This collar is designed to fit pups of all sizes, so all you need to do is remove it from the packaging when you’re ready to use it and then size it appropriately, leaving about 2 to 3 inches of excess material. 


  • Begins working, killing fleas and ticks within a day

  • Contains two collars for multiple pets or 12 months of continuous protection for your dog


  • Not for use on puppies less than 12 weeks old

  • Dust can collect on the collar in packaging during storage and can cause eye or skin irritation

flea collars for small dogs

TevraPet Activate II Flea and Tick Collar for Dogs

The price of TevraPet Activate II Flea and Tick Collar for Dogs varies, so check the latest price at

What to Look For in a Dog Flea Collar - Buying Guide

When shopping for a dog flea collar, there are several considerations to keep in mind. Each flea collar has its own unique features, and some may not be suitable for your dog specifically. 

Flea Collar Insecticides and Skin Reactions

There are a number of insecticides that manufacturers use to help in the prevention of fleas, ticks, and other parasites. Some of these insecticides may cause a stronger reaction in some pets, particularly if they’re sensitive. Make sure you read the list of ingredients before purchasing. You want one that kills fleas and offers tick protection without causing extra stress on your pup.

Flea Collar Durability

The last thing you want to do is buy a flea and tick collar that is going to fall apart on you shortly after purchase. The best way to ensure it kills fleas and is durable, if you’ve not used the brand before, is to read the reviews. Most will clue you in as to how well the flea and tick collars work and how well they stand up to daily use. 


Comfort is key because if the collar irritates your dog’s neck, it’s going to cause them some stress. To help with the comfort, make sure it has a proper fit — that means looking at the “fits neck sizes” section of the description. Then, when you put it on, make sure it’s not too loose or tight.

If you’re wondering how tight should a dog collar be, just use the two-finger test. Make sure you can only fit two fingers inside the collar, no more or less. 

If it’s too tight or loose, you’ll need to learn how to adjust a dog collar. Save the trimming until you’ve got the tick collar at the right fit.

Flea Collar Effectiveness

There are a lot of flea collars on the market, and unfortunately, there are some that are more hype than anything. Like with the question of durability, this is where customer reviews come in handy, but it’s also important to be aware that some areas have fleas that are increasingly immune to some insecticides, so their experiences may be vastly different than yours. Some are so effective, though, that they help prevent future infestations.

However, if the majority of the reviews on the product across multiple sites discredit the flea collar’s effectiveness, there may be something to it. Also, look into whether the manufacturer offers a money-back guarantee. If the flea collar doesn’t work for you, you could get your money back. 

Targeting Different Life Stages

Another factor to consider is what life stages the collars work on. For example, do they work on eggs and larvae in the case of fleas or tick larvae, eggs, and nymphs? Or do they just target the adult stage of the life cycle?

Ideally, you’ll want dog flea collars that cover all of the life stages to ensure full protection. There are many that target different types of pests. Consider the region you live in and the probability of your dog coming into contact with specific pests. If they’re an outdoor dog, you’ll want more protection for your dog’s entire body than if they’re mostly indoors.

Odor vs Odorless

Some flea collars come with a fragrance, and others have zero odor. The fragrance can help your pet smell nice, but for some, it can also be an irritant, adding more chemicals to the collar. 

If your pet can tolerate the fragrance collars, then it’s purely just a matter of personal choice. For example, I prefer odorless because the fragrances that they put in the flea tick collar tend to be overwhelmingly fake and strong. 

Water Resistance

If you have a pup that loves to swim, like Ranger, you’ll want a collar that kills fleas and adult ticks and tames flea infestations while still offering a degree of water protection. Many water-resistant brands can be submerged temporarily, such as in the case of swimming or bathing, without damaging the actual collar.

Overall Quality and Value

The overall quality and value of dog flea collars are the final picture people look at when shopping for one that will fit their pet’s needs. Each of the features above should play a role in choosing a flea and tick-repellent collar that offers the type of protection you need. 

The quality and value will depend on how long the dog’s flea collar lasts, the type of protection it offers, and for what price. The more expensive a collar is, the more protection it should offer against various life stages, a multitude of pests, and it should last for several months. 


The working mechanism of flea collars is the active ingredients within. This is usually an insecticide, though the type of insecticide will differ among the various brands. You can see which active ingredients the flea and tick collars contain by looking at the packaging.

The manufacturers are required to disclose which chemicals the collars contain. Flea collars work in that they distribute the insecticide through the dog’s natural oils to provide a coating on the body.

You’ll put a flea collar on the same way you put a regular collar on, by sizing it to your dog’s neck and then attaching it. Most flea collars have a buckle loop, where you thread one part of the flea collar through the loop to loosen or tighten it. Because flea collars tend to be thick, they don’t have a snap closure. 

Flea collars can easily be worn with other collars, such as smart collars. You can read our Halo collar review and SpotOn dog collar reviews to find the right choice for your furry friend. 

Yes, provided your dog isn’t allergic to any of the ingredients contained within the flea collar, they are very safe for your pets. The collars and the use of insecticides are very well studied and tested by the manufacturers before they’re put out for sale. This is to protect not just the pets but pet owners as well. 

This factor is dependent on any specific collar. Some last just a few months, while others offer up to 8 months of protection. You can determine the coverage by looking at the packaging. It should list the time frame that the collar safeguards against, whether it’s designed to kill adult fleas or to kill flea eggs, for example.

Yes, most flea collars kill fleas, and some also kill ticks. There may be some that only repel the insects, but most are designed to eliminate fleas, ticks, or both, and some may even help repel other insects, like mosquitoes, to help safeguard against diseases. 

Final Thoughts

Providing your dog with year-round protection from fleas, ticks, and other bugs is important for their health. Like you would take them to the veterinarian for an annual check-up and give them heartworm preventatives, flea and tick care is essential, too. And it’s easy to do this by making your pet wear flea collars.

I had to try out a few different collars before I found one that I really liked for Ranger. So, I recommend that you experiment with the preventative measures and try a few different brands to see if they work for you. 

Fleas, when they die, rise to the surface of your pet’s fur, so if you’re seeing them when you brush your pet, it’s likely the collar is doing its job. I recommend brushing your dog’s coat every day initially then every few days to remove the dead pests from your dog’s skin.

You can also check out our review for the best electric dog fence and best GPS dog fence here, if you’re interested in offering up additional protection in your yard. Plus, our Fi vs Halo collar comparison can give you insight into more options. 

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