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Seresto 8 Month Flea & Tick Collar for Small Dogs & Puppies (up to 18 pounds)

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With its innovative delivery system, the Seresto Flea & Tick Collar for Small Dogs & Puppies (up to 18 pounds) offers a breakthrough in tick and flea control for dogs for 8 months. Inside the unique polymer matrix of the Seresto collar are two active ingredients: imidacloprid, which has been used in products recommended by veterinarians for years to control flea infestations, and flumethrin, which effectively repels and kills ticks, larvae and nymphs. These ingredients work together in this unique flea collar to provide dual action against fleas and ticks like no other treatment!

Key Benefits

  • Easy to use 15-inch adjustable collar that is perfect for dogs 7 weeks and older that weigh up to 18 pounds
  • Kills fleas and repels and kills ticks to prevent transfer of organisms that cause disease
  • Provides continuous protections from fleas and ticks for up to 8 months
  • Non-greasy, odorless, water-resistant and easy to use
  • Comes with reflector clips to help keep your dog visible at night
  • Performance you would get from a topical treatment but in a convenient easy to use collar


The collar is designed with a safety-closure mechanism. In the unlikely event of a dog being trapped, the dog's own strength is sufficient to widen the collar to allow for quick release. ALWAYS read the entire product label prior to use.

See all items by Seresto

  • Item Number
  • Brand
  • Breed Size
    Extra Small, Small
  • Lifestage
    Puppy, Adult


8-month prevention and treatment of ticks, fleas and lice on small dogs and puppies 7 week so f age and older and up to 18 lbs. The collar should be worn continuously for the 8 month protection period. Check periodically and adjust fit if necessary, especially when puppies are rapidly growing. Keep the collar in the bag and in the outer packaging until use. Replace the collar after 8 months for optimal tick and flea protection.

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Customer Reviews

Rated 4.5 out of 5 by 477 reviewers.
Rated 5 out of 5 by Worth the money This product was recommended by the vet I take my dog to. I was skeptical about flea collars but for the whole 8 months my 18-20lb dog has worn this, I haven't see.n a single flea or tick. We live in San Diego where fleas can be prolific and we take our dog camping often so plenty of opportunities for her to catch fleas but this collar has worked. You should remove the collar when bathing your dog or if your dog likes to swim as it will prolong the effectiveness and you'll get the full 8 months. The vet also said that they had only had one case of this collar not working, and that was for a huge Great Dane. If your dog is a very large breed, it may not work so well. I've heard Actyvil is a super effective alternative, recommended by a pest controller I met. October 9, 2016
Rated 5 out of 5 by Love it!!! I've had this collar on my pom since May...I have seen no fleas or ticks, and he goes out side in grass several times a day...I love it and will be getting him another one Jan 17....you can't find a better treatment for less...he sleeps so good now...so we all sleep better now.. October 29, 2016
Rated 4 out of 5 by So far so good. I am currently using this on my 12 pound dog as an alternative to K9 Advantix 2 bc I saw how that topical treatment can damage plastic - made me wonder how I could put it on their skin...however, after reading some reviews on the Soresto collar, I was very concerned about those side effects. My dog is fine for now with no issue. Hopefully this is also effective. October 26, 2016
Rated 5 out of 5 by easy to use & fast working I bought this in the small & large size. My dogs can not use anything topical or by mouth. I was afraid this would burn their skin, but everything worked out great. Fleas are all gone :) I will continue to use these. October 28, 2016
Rated 4 out of 5 by So far so good Took about 48 hours to work, as stated, but seems to be working. I'll know better as the months go by. October 28, 2016
Rated 5 out of 5 by the best this is the only flea protection you pets need ,and it's safe . no chemicals to hurt them October 28, 2016
Rated 5 out of 5 by Very happy Only this about this collar is when the dogs play collars come off need better way to keep them on October 26, 2016
Rated 5 out of 5 by Very happy with this product The Seresto collar has been an awesome product. I've had no problems with fleas or ticks since we started using Seresto on both my dogs & cats. October 24, 2016
  • 2016-10-31 T06:50:39.146-05:00
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