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Seresto 8 Month Flea & Tick Collar for Large Dogs & Puppies (over 18 pounds)

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Description

With its innovative delivery system, the Seresto 8 Month Flea & Tick Collar for Large Dogs & Puppies offers a breakthrough in tick and flea control for your precious pup. This veterinarian-recommended treatment is specifically formulated to repel and kill fleas and ticks on contact with no painful biting required. Inside the unique polymer matrix of this easy-to-use, non-greasy, odorless collar are two active ingredients: imidacloprid to control flea infestations, and flumethrin to repel and kill ticks, larvae and nymphs. These ingredients work together to provide dual-action protection against parasitic pests for up to eight months!

Key Benefits

  • Veterinarian-recommended treatment kills fleas and ticks on puppies and dogs 7 weeks and older weighing over 18 pounds.
  • Starts to repel and kill fleas within 24 hours of initial application and re-infesting fleas within two hours; works on contact with no painful biting required.
  • Also repels and kills ticks within 48 hours of initial application and re-infesting ticks within in six hours; works on contact with no painful biting required.
  • Easy-to-use, 27.5-inch adjustable collar is odorless and non-greasy; quick-release feature and visibility reflectors provide extra safety.
  • Water-resistant formula continues working for up to eight months, even after bathing, swimming and sun exposure.

Cautions

Read the entire label before use. Use only on dogs. Do not let children play with this collar.

Active Ingredients

  • Flumethrin 4.5%
  • Imidacloprid 10.0%

See all items by Seresto

  • Item Number
    61519
  • Brand
    Bayer
  • Breed Size
    Medium Breeds, Large Breeds, Giant Breeds
  • Lifestage
    Puppy, Adult, All Stages

Instructions

Use only one collar per animal. Fit collar around your pet's neck, allowing for 2 fingers to fit between the collar and your pet's neck to ensure a comfortable, yet snug, fit. Once collar is properly fitted, cut off any excess collar measuring 1" or longer. 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.

Water Resistance: It is unnecessary to remove the collar before immersing your pet in water. Seresto remains effective following a shampoo treatment, swimming or exposure to rain or sunlight. In order to maintain an 8 month duration, pets must not be bathed more than once a month. For pets that swim once a month or more, the control duration is reduced to five months for fleas and seven months for ticks.

Frequently Asked Questions

I have never had a flea problem before. Where are my pets picking up fleas?

Fleas are very hardy pests that are quite capable of hitching rides on a variety of mammals. Wild animals or feral pets traveling through the environment may be a source for a pet’s exposure.

Fleas may be brought to the house by:

  • You – attached to clothing, luggage, dog blankets, etc.
  • Your pet – any time your pet steps outside your house, they are potentially exposed to fleas, especially in areas where there are other animals.
  • Stray or homeless cats and dogs – since these animals are not being cared for, they are easy targets for fleas. A single feral cat walking through your back yard even just one time may drop many flea eggs into the grass or under shrubs.
  • Wildlife – particularly raccoons and opossums. These animals typically aren’t seen very often, because they are active at night. A single opossum can carry as many as 1,000 adult fleas! An opossum walking through your back yard even just one time can drop many flea eggs into the grass or under shrubs as they pass through.
  • Non-treated pets in the household – most dogs are treated for fleas and ticks. Often, the cats in the household are not, especially if they are indoor only cats.
  • Non-treated pets in the neighborhood – you may be vigilant about treating your pets for fleas, but your neighbor(s) may not.

What are the benefits of Seresto?

Inside the unique polymer matrix of Seresto are two active ingredients:

  • Imidacloprid has been used in products for years to control flea infestations.
  • Flumethrin effectively repels and kills ticks.

Flumethrin works together with imidacloprid to provide dual action against fleas and ticks. No other treatment has this combination of ingredients.

The active ingredients spread from the site of direct contact over the skin surface of the cat or dog.

Sustained release technology

Seresto works similarly to a monthly topical, but as the active ingredients wear off over time, a new supply is continuously replenished in low concentrations. The active ingredients spread from the site of direct contact over the skin surface. Bayer's polymer matrix technology is designed to slowly and continuously release the active ingredients for eight months, a duration that makes it clearly different from other flea and tick collars.

Is Seresto water resistant?

Seresto is water resistant. The active ingredients of Seresto are contained within the Bayer Polymer Matrix, making it water-resistant. Therefore it is unnecessary to remove the collar before the pet is immersed in water. Seresto remains effective following a shampoo treatment, swimming, or after exposure to rain or sunlight. Under normal conditions, effectiveness lasts for eight months. In order to maintain an 8-month duration, dogs must not be bathed more than once per month. For dogs that swim once a month or more, the control duration is reduced to five months for fleas and seven months for ticks.

What if my cat or small dog gets stuck while wearing a Seresto collar?

Because some pet owners may be concerned that a cat or small dog could get stuck while wearing a collar, Seresto is designed with a safety release mechanism. In the unlikely event of the cat being trapped, the cat's own strength is sufficient to widen the collar to allow for quick release.

A hard pull causes the ratchet-release mechanism to allow a widening of the collar.

The small dog and cat collars are equipped with a predetermined breaking point. A harder pull triggers the breaking of the collar at this point.

What is the expiration date for Seresto for dogs?

There is no expiration date required on the packaging by the EPA for this product. The product should be kept in its original packaging and stored as directed on the label.

When can I bathe my dog after application of Seresto for dogs?

We recommend bathing BEFORE applying product. Seresto is water-resistant and remains effective following a shampoo treatment, swimming or after exposure to rain or sunlight. Under normal conditions, effectiveness lasts for 8 months. In order to maintain an eight-month duration, dogs must not be bathed more than once per month. For dogs that swim once a month or more, the control duration is reduced to 5 months for flea control and reduced to 7 months for tick control. There is no need to remove the collar for bathing. Please use a non-stripping, pet shampoo.

How often can I allow my dog to swim when using Seresto for dogs?

Seresto is water-resistant and remains effective following a shampoo treatment, swimming or after exposure to rain or sunlight. Under normal conditions, effectiveness lasts for 8 months. For dogs that swim once a month or more, the control duration is reduced to 5 months for flea control and reduced to 7 months for tick control. There is no need to remove the collar for swimming.

How often can I bathe my dog when using Seresto for dogs?

  • We recommend bathing BEFORE applying monthly product. The product can be applied once the pet is towel dried.
  • We suggest using non-stripping shampoos that are specifically designed for use on pets.
  • ‘Non-stripping’ shampoos are generally soap free formulations designed for general cleansing. Bayer makes a variety of shampoos that are non-stripping, general cleansing shampoos.
  • Seresto is water-resistant and remains effective following a shampoo treatment, swimming or after exposure to rain or sunlight. Under normal conditions, effectiveness lasts for 8 months. In order to maintain an eight-month duration, dogs must not be bathed more than once per month. There is no need to remove the collar for bathing.

How do I store and dispose of Seresto?

Do not contaminate water, food or feed by storage or disposal.

  • Storage: Store in original unopened container in a cool, dry place that is inaccessible to children.
  • Disposal: Dispose of container, pouch and expired collar in trash.
  1. Seresto Use & Care Instructions

Size

Collar Size Collar Length Dog Weight Dog Age
Small 15 inches up to 18 pounds over 7 weeks
Large 27.5 inches over 18 pounds over 7 weeks

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Customer Reviews

2177 reviews 2177 Reviews 4.6 out of 5 Stars

92% Recommend

92% of reviewersrecommend this product

4.6 / 5
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  • Great Product

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    I have used the Seresto collars on all 4 of my Labrador Retrievers for several years now. Two of them would have some minor skin irritation around the neck and I would loosen the collars and it would diminish. I should note both were Yellow Labs. My other Labs, one Chocolate and one black, never had any skin issues with the collars. The Chocolate and Black Labs are hunters and in the water and wet fields constantly during hunting seasons. The collars were still effective after at least 7 months. The only ticks I found were dead ones either on the dog or on their bedding. These Labs would sleep on the same bunk with me at our cabin and I never had any ticks or fleas on me nor was I ever bitten I have used the Seresto collars on all 4 of my Labrador Retrievers for several years now. Two of them would have some minor skin irritation around the neck and I would loosen the collars and it would diminish. I should note both were Yellow Labs. My other Labs, one Chocolate and one black, never had any skin issues with the collars. The Chocolate and Black Labs are hunters and in the water and wet fields constantly during hunting seasons. The collars were still effective after at least 7 months. The only ticks I found were dead ones either on the dog or on their bedding. These Labs would sleep on the same bunk with me at our cabin and I never had any ticks or fleas on me nor was I ever bitten. The collars do work and are less hassle than pills or liquid applications. If your dog/s is in the water a lot, I would recommend changing every 6-7 months just to be safe. Photo is Drake wearing his Seresto collar which is grey in color. … more

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  • Works great

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    I bought 2 of these collars in August because we had been having a flea issue and monthly flea chewables are so expensive. If they weren't given exactly a month apart, fleas would return. Since putting them on our beagle and lab, we've not seen any fleas on them, their bedding, or our furniture. Neither dog has had any reaction to the collars and they still seem to be effective after swimming. I would definitely recommend these collars to people that have a difficult time remembering monthly prevention and don't want to pay an arm and a leg for year-long protection--$55 for one collar that lasts 8 months or $20 for a tablet that lasts one month and has to be given 12 times a year? Easy choice I bought 2 of these collars in August because we had been having a flea issue and monthly flea chewables are so expensive. If they weren't given exactly a month apart, fleas would return. Since putting them on our beagle and lab, we've not seen any fleas on them, their bedding, or our furniture. Neither dog has had any reaction to the collars and they still seem to be effective after swimming. I would definitely recommend these collars to people that have a difficult time remembering monthly prevention and don't want to pay an arm and a leg for year-long protection--$55 for one collar that lasts 8 months or $20 for a tablet that lasts one month and has to be given 12 times a year? Easy choice for me. … more

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  • Waterproof? I think perhaps not so much.

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    I've used this collar before and loved it. This time, it did not last the 8 months that it was supposed to. Instead, I started noticing fleas at about 5 months, which meant I had to purchase another one. Over this last summer our dog discovered the joys of playing in the water sprinklers in the soccer fields we pass every morning on our walk. He would get himself quite wet. Since the collars are advertised as waterproof, I really didn't think much of it -- I mean, he wasn't going swimming every day. I tried to contact the manufacturer about the product failure, but hit a dead end. In the end, I had to buy another collar AND flea treatment for our 2 indoor cats because they got infested I've used this collar before and loved it. This time, it did not last the 8 months that it was supposed to. Instead, I started noticing fleas at about 5 months, which meant I had to purchase another one. Over this last summer our dog discovered the joys of playing in the water sprinklers in the soccer fields we pass every morning on our walk. He would get himself quite wet. Since the collars are advertised as waterproof, I really didn't think much of it -- I mean, he wasn't going swimming every day. I tried to contact the manufacturer about the product failure, but hit a dead end. In the end, I had to buy another collar AND flea treatment for our 2 indoor cats because they got infested as well. :( I will continue to use this product, but I'll take it off next time the sprinkler opportunity comes up. … more

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  • Two drawbacks

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    I purchased this product based upon a neighbor's good experience. My dog is a tick magnet, nearly all show up on his head. The literature in the package shows the medicine flowing back over a dog's body. And, sure enough, they continued to land on his head. Also, my dog had his first tick embed itself in his body. I like the convenience and the concept. I'll be talking to my vet about staying with this product. I regret that my experience and this review aren't more positive.

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  • Better than Revolution

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    My dog has a variety of allergies and is very uncomfortable when I administered Revolution. In addition, it just never worked for her. Although we live in a very residential neighborhood, I would consistently find ticks on her when she was on Revolution. With the Seresto collar, she is not bothered by it, and it has been 100-percent effective! Not a tick on her throughout the summer and fall. I highly recommend this product.

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  • These are magical!

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    I am not normally a person whom writes reviews, but these collars are awesome. I've been using them for about a year and switch them about every 5-6 months because my 2 labs swim almost daily during the nicer weather. I had never really had a real "test" of the collars until now. I am staying with a friend who's dogs both have fleas despite being on monthly topicals. I have been really worried that my dogs would get fleas, too, just being here! I've been checking them, but they're black labs with very thick coats so it's almost impossible to find fleas during a check over...Well, today I watched a flea literally crawl off of my dog and die right in front of me! I'm totally sold on these and will I am not normally a person whom writes reviews, but these collars are awesome. I've been using them for about a year and switch them about every 5-6 months because my 2 labs swim almost daily during the nicer weather. I had never really had a real "test" of the collars until now. I am staying with a friend who's dogs both have fleas despite being on monthly topicals. I have been really worried that my dogs would get fleas, too, just being here! I've been checking them, but they're black labs with very thick coats so it's almost impossible to find fleas during a check over...Well, today I watched a flea literally crawl off of my dog and die right in front of me! I'm totally sold on these and will buy them again! I should add that one of my dogs is very sensitive and has had reactions to other flea prevention, but these don't seem to mess with him at all! … more

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  • Better than anything else I have found

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    Last year I had a horrible flea infestation. I tried everything short of hiring an exterminator. I tried washing my dog in flea shampoo, lemon soap, multiple types of flea topical treatments, sprayed the yard, sprayed the house, bombed the house, washed everything multiple times, and still couldn't get rid of them. My vet recommended this collar. It worked great. All the fleas seemed to disappear on my dog, and in the house. I was extremely impressed. I then decided to get another dog from the pound. I came home one day and my new dog chewed the collar off my other dog, and half of it was missing! In a frantic, I called the vet who recommended I call the manufacturer. They were extremely helpful Last year I had a horrible flea infestation. I tried everything short of hiring an exterminator. I tried washing my dog in flea shampoo, lemon soap, multiple types of flea topical treatments, sprayed the yard, sprayed the house, bombed the house, washed everything multiple times, and still couldn't get rid of them. My vet recommended this collar. It worked great. All the fleas seemed to disappear on my dog, and in the house. I was extremely impressed. I then decided to get another dog from the pound. I came home one day and my new dog chewed the collar off my other dog, and half of it was missing! In a frantic, I called the vet who recommended I call the manufacturer. They were extremely helpful, said the collar shouldn't make her sick, and to just make sure she passes it. All in all, my new dog was fine after having this very expensive snack! I have been using advantix II which works really well for the most part, but I don't feel it works as well as the collar. Maybe because I forget to put it on them often enough. My new dog also seems to get fleas before it is time for another treatment. My other dog acts uncomfortable (almost sick) with the topical, so much so that I only put half the amount on her, but she does great with the collar. I am going to try again now that the new one isn't such a terror, and fingers crossed, it doesn't turn into a mid day snack... … more

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  • Worth the money

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    I was skeptical about the Seresto collar at first because someone gave me one that had been used but I didn't know how long. I put it on my dog and it seem to attract fleas. So I really didn't know if it was any good or not. But after reading reviews and hearing people that come to my dog groomers shop talking about the good results they had, I decided to give it a try so I ordered one from Chewy. After putting it on her neck, within 12-36 hours I had no fleas on my dog whatsoever. It's well worth the money because if you break it down by the month for what you pay for the spot on flea treatment it comes out to be cheaper. As with anything associated with medicine there can be side effects so I was skeptical about the Seresto collar at first because someone gave me one that had been used but I didn't know how long. I put it on my dog and it seem to attract fleas. So I really didn't know if it was any good or not. But after reading reviews and hearing people that come to my dog groomers shop talking about the good results they had, I decided to give it a try so I ordered one from Chewy. After putting it on her neck, within 12-36 hours I had no fleas on my dog whatsoever. It's well worth the money because if you break it down by the month for what you pay for the spot on flea treatment it comes out to be cheaper. As with anything associated with medicine there can be side effects so make sure you watch your pets neck and their behavior to make sure everything is okay. I have had excellent results with mine and I would recommend this collar to anyone if you have a problem with fleas. It definitely worked on my pet and she is blind from diabetes and has a brain tumor. Always check with your vet before using it if your pet has any medical concerns. I checked with two different vets and both said it was OK to use on her. It's said to last up to 8 months. I've read reviews where some people got less than 8 months protection and some that got more than 8 months. I'll be satisfied if I get 6 months protection because it would still be worth the money. … more

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  • Seresto 8 month flea collar REALLY WORKS!!!

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    I have been a pet groomer for 16 years and have had opinions about various flea and tick products, good and bad. The Seresto Flea and Tick Collar truly does keep your pet flea and tick free for 8 months!! I have a Shi-Tzu who had fleas about 5 years ago. I put the Seresto Collar on him and haven' t had a flea problem since! I highly recommend it both for cost and efficiency!

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  • Adios fleas and ticks!

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    My foxhound loves sniffing at the St. park and going into tall grass. She'd come out with a dozen+ ticks. A park employee said you need to get a Seresto. I did and within 24 hrs. noticed dead fleas and ticks on my bed, which I share with her. I worried about Lyme. She doesn't scratch anymore and ticks don't latch on. She's about 11 and shows no adverse symptoms from wearing the collar and I think she's a far happier dog.

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