These Are the Best Flea Treatments for Dogs, According to Dog Parents

By: Linda RodgersUpdated:

best dog flea treaments
Chewy Studios

Flea treatment for dogs is one of those pet parent must-haves. Yeah, it’s not as fun to buy as, say, a squeaky toy or big, comfy dog bed, but fleas and other pests can cause serious problems for your pooch. And they’ll need it all year round too, even if their idea of the Great Outdoors is a stroll around the block.That’s because you (yes, you!) can bring fleas and ticks inside without knowing it, risking a flea infestation. But with so many options, how do you know which is the best flea treatment for your dog?

We’ve rounded up Chewy’s top-selling and top-rated flea treatment for dogs, from the best topical treatment to chewable tablets to a flea collar that lasts for 8 months. You’ll be sure to stop the itch with these pet-parent tested and approved flea control products.

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Best Overall Flea Prevention for Dogs

Seresto Flea & Tick Collar for Dogs

| 7572 Reviews | 4.0 out of 5 Stars
$67.98
FREE 1-3 day shipping on this item
See Details
There’s a reason why this best-selling dog flea collar wins best overall flea treatment. It’s convenient—slip it on and the flea and tick prevention medicine works its magic for 8 months. It’s fast-acting—starts killing and repelling fleas within 24 hours. It’s also good for pups older than 7 weeks and comes in two formulas, one for small dogs (under 18 lbs) and one for large dogs (over 18 lbs).
  • The best

    By Kymberly on Sep 13, 2023

    Seriously though we're from Alaska and haven't even had to deal with fleas and in the rare occasion a tick... I tried many homeopathic stuff, and many other products, before discovering these collars... wow spendy, however they work super well.... thanks for having a bit of a discount on Auto ship... my dogs Raven and River and I thank you.... Kym Coffey

  • We ordered a new Soresto Flea collar for our Golden Retriever.

    By Tammy on Sep 12, 2023

    She has worn her old Soresto collar for a full year and still has no fleas! I was skeptical but now a believer! And the price was great with our $20.00 off coupon!!! Got our new collar in 1 day!!!

  • Seresto flea collar

    By Anna on Sep 11, 2023

    I am very happy with this product! I haven't had any issues with flea or tics since my two dogs.... The breeds are a golden and the other a chihuahua. Both with completely different coats! I believe in this product! .

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Best Dog Flea Pill

Simparica Trio Chewable Tablet for Dogs

| 254 Reviews | 4.4 out of 5 Stars
$175.99
FREE 1-3 day shipping on this item
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This tiny tablet goes big when it comes to attacking parasites. Its trio of active ingredients helps kill and prevent fleas, kill 5 types of ticks, prevent heartworm disease, and treat and control roundworms and hookworms. Available by prescription only, this oral flea medication comes in several different formulas for dogs of all sizes, age 8 weeks and older. **Proudly sourced directly from the manufacturer or their approved distributor. Guaranteed genuine and backed by the manufacturer.**
  • THE BEST

    By bland on Sep 21, 2023

    My basset hound just turned a year old 3 days ago, and she has been on Simpirico Trio since she was 8 weeks old and I have NEVER seen a flea or tick on her! This stuff work GREAT!!

  • So convenient!

    By Baileymom on Aug 31, 2023

    Chewy contacted our vet for Bailey’s prescription and shipped it directly to us. The whole process was super easy and the price was less than the vet was charging us.

  • Great service

    By Bev on Jul 22, 2023

    This is my first medication order and I couldn’t be more delighted with the service. Thank you, Chewy. Com

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Best Flea and Tick Chewable

NexGard Chew for Dogs

| 1017 Reviews | 4.5 out of 5 Stars
$75.99
$81.49
FREE 1-3 day shipping on this item
See Details
Just one of these beef flavored chewables kills adult fleas and black-legged ticks for the entire month. Available by prescription only, they’re safe for dogs and puppies over 8 weeks old and come in four different formulas for dogs as small as 4 pounds and up to 121 pounds. Plus, they’re FDA approved to prevent infections that cause Lyme disease.
  • Great but took longer to work than expected

    By Judo on Sep 18, 2023

    Product works great although I thought I'd take a day or two but after a week all fleas seemed to have died so alls well.

  • Nexgard

    By Pat on Sep 1, 2023

    Works well to keep fleas off my dog. Doesn't seem.to.uoset difestive system. And my dogs readily eat the small tablet

  • Chewy has great service

    By Beagle4 on Aug 14, 2023

    I needed dog meds. Chewy contacted my Vet and I got my meds promptly. My Beagle even got a toy Bear which he loved! Thanks Chewy.com

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Best Flea Collar for Dogs

Seresto Flea & Tick Collar for Dogs

| 7572 Reviews | 4.0 out of 5 Stars
$67.98
FREE 1-3 day shipping on this item
See Details
This Seresto collar wins the flea collar category for its multi-functional protection and ease of use. Its active ingredients(flumethrin and imidacloprid) provide full-body protection for 8 months, even when it gets wet, killing fleas and ticks, preventing flea eggs from hatching, and repeling mosquitos. It can even help treat and control sarcoptic mange and chewing lice. Simply slip it on (it’s adjustable) dogs 7 weeks or older (be sure to select the correct collar for your dog’s weight).
  • The best

    By Kymberly on Sep 13, 2023

    Seriously though we're from Alaska and haven't even had to deal with fleas and in the rare occasion a tick... I tried many homeopathic stuff, and many other products, before discovering these collars... wow spendy, however they work super well.... thanks for having a bit of a discount on Auto ship... my dogs Raven and River and I thank you.... Kym Coffey

  • We ordered a new Soresto Flea collar for our Golden Retriever.

    By Tammy on Sep 12, 2023

    She has worn her old Soresto collar for a full year and still has no fleas! I was skeptical but now a believer! And the price was great with our $20.00 off coupon!!! Got our new collar in 1 day!!!

  • Seresto flea collar

    By Anna on Sep 11, 2023

    I am very happy with this product! I haven't had any issues with flea or tics since my two dogs.... The breeds are a golden and the other a chihuahua. Both with completely different coats! I believe in this product! .

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Best Topical Flea Treatment for Dogs

Frontline Plus Flea & Tick Spot Treatment for Dogs

| 1506 Reviews | 3.9 out of 5 Stars
$69.00
$81.99
FREE 1-3 day shipping on this item
See Details
This popular spot-on treatment for dogs packs a one, two punch: It both kills adult fleas (and ticks) and attacks flea eggs and larvae to disrupt the flea lifecycle. The non-greasy liquid is a cinch to put on your dog’s skin, say pet owners, and it provides waterproof protection for a full month (just wait 24 hours before getting your dog wet). It’s safe for use on dogs 8 weeks and older and comes in four different formulas for small-XL breeds.
  • Works great!

    By Anonymous on Sep 21, 2023

    I tried this flea and tick prevention for the first time. It is easy to apply and is working great!

  • Works fantastic

    By Sher on Sep 13, 2023

    I’ve been using this brand for all the dogs we owned. It works great considering I’m allergic to flea bites.

  • Works great!

    By Elisa on Sep 8, 2023

    Living in SoCal I knew the fleas would be bad this season. My parents have a feral cat in their yard that brings fleas my apt complex has high grass and feral cats as well. This took care of the problem right away. Gave it to our dog and within three days they were gone on her and our home

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Best Flea Shampoo for Dogs

Richard's Organics Flea & Tick Shampoo, 12-oz bottle

| 321 Reviews | 4.3 out of 5 Stars
$12.99
See Details
This organic flea shampoo is a natural alternative to traditional flea medicine for dogs over 12 weeks old. Formulated with 5 natural essential oils (cedarwood, peppermint, clove, cinnamon and rosemary), it kills and repels fleas and ticks, as well as repels mosquitos. Chewy reviewers swear it’s the only shampoo they’ll use on their dogs, thanks to the essential oils that leave their pet’s fur and skin so soft and sweet smelling.

  • By Sally333 on Sep 15, 2023

    Love this shampoo not only keeps fleas and ticks off but they smell great after the bath. Have used it for several years on my 2 babies

  • Very nice!

    By awen on May 3, 2023

    Very pleased with this shampoo. Dog smells great. The sent is soft and mild. Dog is clean and no clean came off. Dog has Super thick double coat.

  • Worth paying $4 more than pesticide shampoos!

    By MacAttack on Mar 30, 2023

    I once dated a guy whose dad inadvertently killed their dog by washing him with too much flea and tick pesticide shampoo. I will not make that mistake to save four dollars.

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Best Flea Spray

Adams Plus Flea & Tick Pet Spray, 32-oz bottle

| 239 Reviews | 4.2 out of 5 Stars
$21.28
$29.99
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This spray kills fleas and ticks, and repels mosquitos (which can lead to heartworms)—a plus if you’re looking for a multi-purpose product. Formulated for dogs and puppies 10 weeks and older, it combines active ingredients etofenprox, which kills adult fleas, with s-methoprene, an insect growth regulator, to provide quick relief and prevent eggs from hatching for up to two months.
  • I think it's good

    By Kae on Sep 10, 2023

    Got it because my pet sitter told me my kittens were introduced to fleas, but turns out I didn't need it- didn't see any signs of fleas. Preemptively used it (sprayed on comb and brushed it in, because good luck spraying a cat) and so far, still no signs of fleas. Will keep in case.

  • We Love Adams

    By Tammy on Jun 23, 2023

    This is the best on-animal flea and tick spray out there! Dries quickly, pleasant scent, kills adult fleas and also prevents the eggs from hatching. Win-win!

  • THANK YOU ADAMS. THIS WORKS

    By OreosMom5 on Jun 21, 2023

    I live in an area where fleas are infested in our sandy soil and ever since I moved here I have been battling fleas. I used all the Adams Flea care products together and I am happy to say that they have worked. My dog was anemic because of the flea infestation on him, in my home, and in my yard. I could never use oral medication because it caused him seizures. This is the only product that saved my little guy from dying from the fleas. Thank you Adams and Chewy.

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Best Flea Treatment for Puppies

Frontline Plus Flea & Tick Spot Treatment for Small Dogs

| 1403 Reviews | 3.9 out of 5 Stars
$64.84
$75.99
FREE 1-3 day shipping on this item
See Details
When giving any flea medicine to a puppy, you’ll need to make sure it's formulated for their younger age and smaller size. This topical flea treatment is designed for dogs at least 8 weeks old and 5 pounds. The non-greasy, easy-to-put on formula works in a matter of hours to kill fleas in all stages, from eggs to adults, and then keeps them away from your pup for 30 days. Protects against ticks, too.
  • Frontline is the best!

    By Sheri on Sep 16, 2023

    With Frontline I apply once every 3 months & no worries about fleas,ticks & other nasty pests. Been using it for years on my 19 year old chihuahua.

  • AutoShip Frontline

    By Charles on Sep 10, 2023

    My Mia has had no issues using the Frontline treatment. We've never found a flea nor tick. 'Appreciate Chewy's support via Autoship getting it to us in a timely manner.

  • Needed flea treatment and got it

    By Robert on Sep 10, 2023

    Needed fkea treatment for my itchy bites dog and didn't have to go out to get it Good price too

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Best Dog Flea Comb

Hartz Groomer's Best Flea Comb for Dogs

| 335 Reviews | 4.7 out of 5 Stars
$5.78
See Details
Combing out fleas and eggs is a great way to get rid of pests after a shampoo or flea pill. Enter this best-selling dog flea comb. Its ergonomic handle provides a comfy grip while the fine teeth remove fleas, flea eggs and flea dirt (aka flea poop), and pet parents say it’s awesome at detangling matted fur too. If your dog has a feline sibling, this flea comb also works on cats.
  • Love it! Great for face

    By Malorie on Sep 3, 2023

    My shih-tzu mix's face gets crusty and dirty when he eats. This is the perfect comb with a little washcloth and some gentle brushing his face looks so much better!! Good quality

  • Better than most.

    By melody on Sep 3, 2023

    This is the best comb I have found so far. The teeth are closer together than the comb I bought in the store. I am using it on kittens too young for a topical.

  • Great tool

    By jlp70 on Aug 20, 2023

    This works really good on my cats. I have had a flea outbreak at my home, and this has really helped get the fleas off of my cats and legs of my dog (short hair only) while they are being treated with the topical treatments. Highly recommend this little tool!! It is easy to clean too.

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Getting close to our furry friends is something all pet parents enjoy. Unfortunately, fleas do too! The good news is that with careful attention to prevention and researching the best flea treatments for dogs, it’s easy to protect your best bud. If you didn’t get the memo on flea prevention products for dogs and your pup already has an infestation, check out our guide on how to get rid of fleas on your pet and in your home.

Learn more about protecting your pets from fleas:

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