HEALTH & CARE

Best Flea Collar for Dogs: No More Scratching and Biting to Get the Pests Out

Image showing a medium dog looking at a woman while walking
Written by David Jones

Fleas are the bane of a dog’s—and their owner’s—existence. They are notoriously difficult to kill and they keep popping back up just when you think you’ve gotten rid of every last one of them. There are many different types of products available today as treatment, but most of them are either ineffective or inconvenient because they have to be reapplied often. Fortunately, that’s not the case with the best flea collar for dogs.

If you’re looking for a long-term solution that’s both effective and convenient, then you should try using one of the flea collars we recommend in this article. Each and every one of them has the proven capacity to completely annihilate fleas and ticks upon contact and prevent re-infestations. The effects last for at least 6 months, so that’s half a year without you having to worry about your dog carrying fleas or ticks back into the house after playing in the yard.

Image showing a dog wearing a flea collar

In this article, we’ll first let you know which important factors you have to take into account while trying to determine the quality and effectiveness of a flea collar. Next we review 7 of the top flea collars for dogs of all breeds and sizes. We take the hard work right out of your hand by eliminating products that have been proven to be ineffective and listing only the tried and true options.

Product NameProtection PeriodCollar LengthBest UsePrice
Bayer Seresto Flea and Tick Collar8 months15 inches (S) and 27.5 inches (L)For adult dogs of all breeds and sizesCheck price on Amazon
Adams Flea and Tick Collar6 months25 inchesFor adult dogs and puppies of all breeds and sizesCheck price on Amazon
Ultraguard Flea and Tick Collar7 months26 inchesFor dogs 6 weeks and olderCheck price on Amazon
ProGuard Plus II Flea Tick Collar6 months17 inchesFor dogs 8 weeks and olderCheck price on Amazon
Pet Gallo Flea & Tick Dog Collar6 months23.5 inchesFor dogs 6 weeks and olderCheck price on Amazon
Zodiac Flea & Tick Dog Collar7 months15 inches (S) and 25 inches (L)For adult dogs of all breeds and sizesCheck price on Amazon
Parent Large Dog Collar7 months26 inchesFor dogs of all breeds and sizesCheck price on Amazon

Things to consider before buying

With so many brands of flea collars for dogs available on the market these days—and with each of them tooting their own horn as the most effective product of them all—it can be difficult to figure out which ones can really help your dog fight off the itch. How deadly the collar is to fleas and ticks is of course the most important factor to consider, but there are also other factors you should take into account, such as:

Water-Resistance

The main reason dog owners choose flea collars instead of other flea treatment products such as drops or topical salves is due to the convenience that they offer. That’s why water-resistance is an important factor to consider. If you have to take off the collar every time you’re going to give your dog a bath or if you need to replace the collar with a new one every time it gets soaked in the rain, then the convenience benefit will be a moot point.

Image showing the Adams Water-Resistance flea-tick-collar

A good flea collar is one that still retains its effectiveness even after coming into contact with water. Of course, there’s a limit even to this. Water-resistance in this sense typically means that the collar won’t lose its effectiveness as long as you don’t bathe your dog more than once per month. Any more than that, and the effectiveness will wear off much faster than anticipated—although perhaps not immediately.

Protection Period

Drops are generally believed as more effective and fast-acting than flea collars, but their effects usually wear off after a few days or weeks—at which point they need to be reapplied. On the other hand, dog flea collars are typically able to protect your dog from fleas and ticks for months and even kill their eggs and larvae to prevent re-infestation.

Image presenting a brown little dog wearing a flea collar for dogs

None of the flea collars on this list has a protection period of less than 6 months—which is one of the factors that make them the best of the best. Dog flea collars can be quite expensive after all, so the longer they last, the better of a deal they become. But be aware that the protection period listed here only applies if the collar doesn’t get into excessive contact with water.

Collar Size and Quality

You’ll also have to pay attention to the collar itself. Whether the collar is long enough to fit around your dog neck’s or not is important. It should be snug without being too tight—with one or two inches of space left for added comfort. Most flea collars these days are designed with adjustable length, so you can cut it to fit your dog’s neck diameter.

Image showing a fluffy dog wearing a Flea Collar

The overall quality and durability of the collar is also an important factor to consider. Dogs are usually energetic and can get quite rough or frisky while messing around. Flimsy collars that detach or snap at every rough maneuver that your dog makes wouldn’t be convenient at all.

Side-Effects

It is unfortunate, but the fact of the matter is that flea collars often come hand in hand with side-effects. They work by releasing chemicals upon your dog’s skin and hair after all, so this is kind of unavoidable.

Image showing a dog having anitching

These side-effects range from itchiness to a lower energy level than usual. The symptoms are usually mild and would wear off after the first few days of application. They are nothing to worry about as long as they don’t cause a major allergic reaction such as bleeding, rashes, or sores. If such side-effects occur, you should take off the collar immediately and seek medical guidance.

Active Ingredients

Ingredients that are commonly used as pest control chemicals in flea collars are imidacloprid, flumethrin, and tetrachlorvinphos. All three of these ingredients are effective against fleas and ticks as well as safe for dogs in general. They may produce some mild medicinal odor that irritates dogs, but this is typically masked by a fresh-scented perfume.

A dog wearing Seresto Flea And Tick Collar

Be careful of flea collars that use active ingredients other than the three listed above. Some irresponsible manufacturers use cheap chemicals that are dangerous not only to the fleas and ticks but also to your pet. This is usually made worse by badly-designed collars that are so loose your dog can reach them with their tongue. Licking a flea collar is evidently bad for your dog’s health and may even cause them to exhibit symptoms of poisoning.

Best products on today’s market

A good flea collar is water-resistant, offers a long protection period, comes in the shape of a well-designed collar, doesn’t cause serious side-effects, and use only the safest active ingredients. Taking all of the aforementioned factors into consideration, here are the top flea collars for dogs available on today’s market:

Bayer Seresto Flea and Tick Collar Bayer Seresto Flea and Tick Collar 

Price: approximately $50

Weight: 4.8 ounces

Dimensions: 4.8 x 4.8 x 1.5 inches, 15 inches in length for a small-sized collar and 27.5 inches in length for a large-sized collar

Specific Features: non-greasy, odorless, effect kicks in within 24 hours for fleas and 48 hours for ticks, water-resistant, two-way release, imidacloprid and flumethrin active ingredients, adjustable length, 8 months protection

Best Use: for adult dogs of all breeds and sizes

Description: The Bayer Seresto Flea and Tick Collar contains imidacloprid and flumethrin as active ingredients. These chemicals are not harmful to your dogs but will kill fleas and ticks effectively by circulating around your dog’s skin and hair in low concentrations over the period of 8 months.

Upon application, the pest control chemicals contained in the collar will be released gradually and should kill off all the fleas within 24 hours, whereas the more persistent ticks will take 48 hours to be completely eradicated. After that, should there be any reoccurring attacks by these pests, it would only take a maximum of 6 hours for the infestation to be cleared.

This collar is water-resistant, so you won’t have to take it off whenever you’re giving your dog a bath or whenever it’s time to go for a swim. However, you should note that the effectiveness of this collar will be decreased by contact with water. For dogs that swim or are bathed more than once per month, the effectiveness of this collar is reduced to 5 months for flea control and 7 months for tick control.

With this collar, you’ll never have to worry about bad allergic reactions to flea bites during periods of outbreak anymore. But you shouldn’t overuse it and you shouldn’t sleep in the same bed as your dog while they are undergoing treatment because the chemicals can be quite unfriendly to one’s health after prolonged exposure.

Pros:

  • Extra effective
  • Long-lasting
  • Water-resistant

Cons:

  • Expensive
  • Should not be used often
  • No sleeping with the dog during the treatment period

Related: Flea collars are long-lasting and effective enough to ward off mild to medium infestations, but when the situation is really dire, you may be less concerned about long-term protection than you are about a fast-acting solution that will vanquish all of those annoying insects instantly. For really bad infestations, this Capstar Green Box Flea Oral Treatment is a surefire solution.

Check the price on Amazon

Adams Flea and Tick Collar Adams Flea and Tick Collar

Price: approximately $22

Weight: 6.4 ounces

Dimensions: 5.5 x 1.8 x 6.1 inches, 25 inches in length

Specific Features: water-resistant, 6 months protection per collar, kills fleas and ticks on contact, repels mosquitoes, adjustable length

Best Use: for adult dogs and puppies of all breeds and sizes

Description: Adams Flea and Tick Collar contains pest control chemicals that do not just kill fleas and ticks upon contact, but also repel mosquitoes. This collar will keep your pet safe from any insect bite-related diseases. For the price of approximately $22, you get two collars in a package. One collar lasts for 6 months, so you’ll be purchasing 12 months’ worth of protection in one go with this one.

This collar is water-resistant. It will retain its usefulness even after prolonged contact with bathwater or rain. Naturally, however, its effectiveness will be reduced. This collar works by releasing pest control chemicals over your pet’s hair and then skin gradually over a period of 6 months. Its chemicals reserve will unfortunately be depleted rather quickly if you give your dog a bath more than once per month.

Because the chemicals contained in these collars are rather potent, you’ll need to watch your dog carefully for any adverse reactions after application. It is rare, but if your dog shows an allergic reaction to this collar, you should take it off and consult a vet immediately.

Pros:

  • Affordable price
  • Water-resistant
  • Also repels mosquitoes

Cons:

  • May prompt allergic reactions

Related: While this collar may be enough to give your pet a layer of protection against fleas and ticks, the problem isn’t really solved until the source has been taken care of. More often than not, your dog collects fleas and ticks from playing around in the yard. If you’re looking for a total solution, spraying the yard with this Adams Plus Flea & Tick Yard Spray will nip the problem in the bud. It only kills off fleas and ticks and won’t do any damage to your plants.

Check the price on Amazon

Ultraguard Flea and Tick Collar Ultraguard Flea and Tick Collar

Price: approximately $6

Weight: 1.6 ounces

Dimensions: 10.9 x 10.5 x 8.5 inches, 26 inches in length

Specific Features: adjustable length, scented, water-resistant, 7 months protection, kills fleas and ticks upon contact

Best Use: for dogs 6 weeks and older

Description: If your dog is 6 weeks or older, then he or she should be able to benefit from wearing this Ultraguard Flea and Tick Collar around their neck. This is especially true if your dog loves to roll around in the mud or play in the yard. Even dogs that stay indoors may suffer from infestations without you knowing, so for your peace of mind and for your dog’s health, it’s better to let this collar work its magic.

This collar is well-designed and made from really tough materials, so it will stay on even if your dog is one that’s prone to doing some crazy maneuvers. Ultraguard Flea and Tick Collar certainly provides an easier solution than trying to feed your dog pills or slathering some messy and oily salve all over your dog’s skin.

It’s water-resistant and should last for 7 months as long as you don’t bathe your dog more than once every month. This collar also has a fresh scent to it. It might smell rather strongly for the first few days, but the smell will wear off after a while.

Pros:

  • Affordable price
  • Well-designed collar
  • Long-lasting
  • Has a fresh scent

Cons:

  • Can be dangerous for dogs younger than 6 weeks

Related: If your dog typically stays indoor and you have no idea where they could’ve gotten the fleas and ticks from, then perhaps it’s time for some thorough spring cleaning. Use this Vet’s Best Flea & Tick Home Spray to clear your house of any unwanted guests.

Check the price on Amazon

ProGuard Plus II Flea Tick Collar ProGuard Plus II Flea Tick Collar

Price: approximately $30

Weight: 1.6 ounces

Dimensions: 17 inches in length

Specific Features: 6 months protection, contains pest control chemicals, kills fleas and ticks upon contact, repels mosquitoes, adjustable length, water-resistant

Best Use: for dogs 8 weeks and older

Description: If you’re looking for a product that can conduct a thorough annihilation of the pests living on your dog’s body, then this ProGuard Plus II Flea Tick Collar may be the one that’s up for the task. This collar does more than just kill the preexisting adult fleas and ticks—it also prevents re-infestation by killing eggs and larvae before they have the chance to grow up into pests.

This collar is 100% effective for 6 months, but may last for up to 9 months if contact with water is kept to a minimum. This collar contains strong chemicals—so much so in fact that it should not be used in conjunction with any other pest control treatments lest the impact be too much for even your dog’s natural resistance.

This product is pretty much one of the best options currently available on the market when it comes to pest-control abilities. The only downside lies in the collar itself. It is not well-designed and seems to be made from flimsy materials. Rough movements may detach or even snap the collar.

Pros:

  • Also repels mosquitoes
  • Also kills eggs and larvae
  • Long-lasting
  • Water-resistant
  • Extra effective

Cons:

  • Expensive
  • The collar is rather short
  • The collar feels rather flimsy

Related: Flea collars are valued as the most convenient solution because all you have to do is put it on and you won’t need to concern yourself with pesky fleas or ticks for months on end. But a collar that detaches often beats that very same convenience purpose because you’ll have to keep reattaching it. If your dog is prone to doing rough movements, this ShieldTec Plus Flea Drop may prove to be the more convenient solution.

Check the price on Amazon

Pet Gallo Flea & Tick Dog Collar Pet Gallo Flea & Tick Dog Collar

Price: approximately $15 for a small-sized collar and $16 for a large-sized collar

Weight: 1.6 ounces

Dimensions: 23.5 inches in length

Specific Features: adjustable length, water-resistant, kills fleas and ticks upon contact, kills insect eggs, 6 months protection, 15% tetrachlorvinphos, scented, money back guarantee

Best Use: for dogs 6 weeks and older

Description: If you’re looking for an extra effective flea collar that doesn’t break the bank, you may want to consider this Pet Gallo Flea & Tick Dog Collar. For its rather affordable price, Pet Gallo collar works quite admirably. It will slowly release tetrachlorvinphos over your pet’s skin and hair—killing off all fleas, ticks, and even their eggs and larvae upon contact.

Another benefit is that you won’t have to deal with that strong medicine smell that often accompanies flea collars. This one has quite the pleasant aroma. This might seem like a small detail, but you’ll realize how useful it is when your dog stops trying to tear off the collar every chance they get due to the bad smell.

This collar is made to suit dogs of all breeds and sizes, but puppies younger than 6 weeks shouldn’t be subject to wearing this collar. The chemicals contained in this Pet Gallo collar are quite potent and may prove to be detrimental to a young pup’s healthy growth.

Pros:

  • 100% money back guarantee
  • Also kills eggs and larvae
  • Has a fresh scent
  • Water-resistant
  • Extra effective
  • Affordable price

Cons:

  • Not very long-lasting
  • Not for pups younger than 6 weeks

Related: Once you’ve put this collar on, you know that your dog is safe from flea and tick infestations—which means you can take him or her for a walk without worry. This Pet Gallo Retractable Dog Leash will make long walks with your canine companion all the more pleasant and convenient.

Check the price on Amazon

Zodiac Flea & Tick Dog Collar Zodiac Flea & Tick Dog Collar

Price: approximately $7

Weight: 0.3 ounces

Dimensions: 4.2 x 0.9 x 5.1 inches, 15 inches in length for a small-sized collar and 25 inches in length for a large-sized collar

Specific Features: kills fleas and ticks upon contact, water-resistant, 7 months protection, tetrachlorvinphos, adjustable length

Best Use: for adult dogs of all breeds and sizes

Description: Flea collars can be quite expensive, but that’s not the case with this Zodiac Flea & Tick Dog Collar. You can purchase 7 months of protection against flea and ticks for around $7. That means you’ll only be paying $1 per month for your dog’s health and comfort as well as your own peace of mind.

Of course, as with all other flea collars, Zodiac Flea & Tick Dog Collar’s effectiveness will not last as long if you bathe your dog more than once per month. It’s water-resistant, though, so even if your dog loves to frolic in the rain, it shouldn’t be a problem.

The tetrachlorvinphos contained in this collar is quite the potent chemical, so you might have to deal with a bit of an odor if you choose to use this collar, but it should be a small price to pay for its effectiveness in eradicating pesky fleas and ticks. Just be careful to keep the collar out of the reach of your dog’s tongue because what’s dangerous for fleas and ticks can also be dangerous for your dog if he or she licks it.

Pros:

  • Ultra-lightweight
  • Affordable price
  • Water-resistant
  • Extra effective

Cons:

  • Smells quite unpleasant
  • Can cause vomiting if your dog licks it

Related: Zodiac Flea & Tick Dog Collar is effective against fleas and ticks but not their eggs. To prevent reinfestation, you might have to use this Zodiac Flea & Tick Spray along with the collar. The spray also repels flies, mosquitoes, gnats, and lice.

Check the price on Amazon

Parent Large Dog Collar Parent Large Dog Collar

Price: approximately $11 for a pack of 2 and $15 for a pack of 4

Weight: 1.6 ounces

Dimensions: 3 x 6 x 3 inches, 26 inches in length

Specific Features: kills fleas and ticks upon contact, water-resistant, 7 months protection, adjustable length, scented

Best Use: for dogs of all breeds and sizes

Description: The Parent Large Dog Collar is an all-purpose flea collar. It’s good for dogs of all breeds and sizes. Thanks to its 26 inches length, it will be able to wrap around even the thickest neck with no problem. If it proves to be too big on your dog, then all you have to do is cut it to the desired length.

This dog collar is perfumed with a soothing, fresh scent. It masks the medicinal odor and will keep your dog from restlessly biting or pawing at this collar in an effort to take it off. It’s also water-resistant and will provide up to 7 months of protection as long as it does not come into frequent contact with water.

You can purchase four of these collars for around $15, which is a great deal. But there have been reports of this collar losing its effectiveness much sooner than the 7 months that the manufacturer promises, so you might use up those 4 collars much faster than expected.

There have also been reports of this collar causing itchiness, which leads to the dog scratching their neck until it bleeds. If this happens, take off the collar immediately.

Pros:

  • Affordable price
  • Well-designed collar
  • Water-resistant

Cons:

  • May cause itchiness
  • Wears off rather quickly

Related: This collar may cause side-effects such as itchiness and rashes because it uses chemicals to kill fleas and ticks. If you’re willing to pay a bit more, you might find this Bacivion Flea and Tick Collar as overall a better deal than Parent Large Dog Collar. Bacivion Flea and Tick Collar uses natural essential oils to keep the pests away. Not only is this collar safer, it also has a soothing effect on your pet’s skin.

Check the price on Amazon

Wrap up

You should consider your options really carefully before you settle for wrapping a particular flea collar around your dog’s neck. Making the wrong decision in this matter can be dangerous for your canine companion. Fleas and ticks are resilient creatures, so logically the chemicals that are strong enough to kill these stubborn insects can also be detrimental to your pet’s health.

Responsible manufacturers today are well aware of these dangers and always choose to use active ingredients which are safe for your dog, but there are plenty of irresponsible companies out there. They either sell flea collars that don’t work period or knowingly use dangerous ingredients. It is your responsibility as the owner to pick the right flea collar for your partner.

Image showing Adams-Collar on a wooden table

Which one of the flea collars for dogs we’ve reviewed above seems like the best choice for your furry friend? Do you have any other suggestions you’d like to share with the rest of the class? Don’t hesitate to post a comment in the section we’ve prepared for you below!

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