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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.

Additional Details

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

2250 reviews 2250 Reviews 4.6 out of 5 Stars

92% Recommend

92% of reviewersrecommend this product

4.6 / 5

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  • There's Hope for Hope

    By on

    This is my second Seresto flea collar and seems to work well. I have not seen a flea on my puppy. I do have to adjust it from time to time as she is definitely in the growing stage, but I would highly recommend this. My first one was purchased from my vet and my second was purchased from Chewy. I save money making my purchases and am glad that my vet recommended Chewy for my puppy food. I have bought other items now from Chewy and would definitely go back and order from them again when I need something.

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  • The best flea and tick prevention!!

    By on

    We have a great dane, boxer, greyhound and a german shepherd and these work beautifully. They truly do last the entire 8 months and we have never seen a flea or tick inside our home or on the dogs. Our dogs spend a lot of time in the summer outside with us meandering through the woods and farm land so there is certainly a lot of potential for them to get ticks but never any issues. Before this collar we always used a once a month topical treatment which wasn't an issue but after calculating the costs between that and this collar, this is actually cheaper and convenient since it does not need applied monthly. I have never experienced the collar coming loose and falling off which is a surprise We have a great dane, boxer, greyhound and a german shepherd and these work beautifully. They truly do last the entire 8 months and we have never seen a flea or tick inside our home or on the dogs. Our dogs spend a lot of time in the summer outside with us meandering through the woods and farm land so there is certainly a lot of potential for them to get ticks but never any issues. Before this collar we always used a once a month topical treatment which wasn't an issue but after calculating the costs between that and this collar, this is actually cheaper and convenient since it does not need applied monthly. I have never experienced the collar coming loose and falling off which is a surprise with how much our dogs rough house. But it would easily come off if they got hung up on something which is a major plus! It also comes with reflectors that you can put around it for visibility at night. … more

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  • Actually repels ticks!

    By on

    I take my dog out year round in the deep woods and tall grass and she usually picks up 4-8 ticks per outing during the wet months. Since I've put this collar on her I've only seen 1 or 2 in the past two weeks! I was skeptical at first, but it really does repel ticks. I've used Nexgard or Advantix in the past, but they just don't repel the blood suckers. I just wish they would make this product in different colors like black so it's not so visible on my dog.

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  • It's great!

    By on

    I was really hesitant to try Seresto after hearing that a lot of times the collars fall off. I'm extremely happy that I gave it a chance! The collar is actually very secure, there's belt-like loops on the collar, and there's more than one to hold it in place. I have an almost 6 month old lab who is very active and is always running and rolling around, and the collar has not even loosened. There is no powdery residue, and it has ZERO smell! My dog stopped itching within hours of putting this collar on. I am very impressed and will definitely be sticking to Seresto!

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  • Works great

    By on

    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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  • Try this for itchy dogs

    By on

    My Labrador has been scratching for over 2 years. I thought I tried everything from topical, oral flea meds, daily benedryl to thinking it was food allergies. After years of elimination trials, I wanted to try a flea treatment that would repel fleas before they bit my dog. I hesitated at first, since flea collars were a scary thought to me at first but I'm glad I decided to give Seresto a try and I have to say, his scratching went down 80% within a few days! If your dog is struggling with itching like mine, I would highly recommend trying this.

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  • WORTH THE PRICE

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    I've used this in the past with good results. No fleas and no ticks. I then decided to save some money and bought a cheaper OTC collar. After reading many reviews that rated it very highly, I bought some Sargeant collars. A month after using the new collar I found an embedded tick under her eye barely 6" from the collar. Needless to say I'm back to using Seresto and will be from now on.

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  • Worth the Money!

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    I'm in shock! My vet is always pushing expensive pills that includes flea protection and my dog hates them. This collar not only works better than the pills it's easy to use! We also have two cats and they became infected with fleas. I tried everything to get rid of them but nothing worked to keep the fleas away. After I purchased the Seresto collars for our cats the fleas went away and straight to our dog (who was taking the pill form of flea protection) needless to say she also became infected. The collars worked so well on the cats I didn't hesitate to purchase one for the dog too. It's been a few weeks and the fleas are long gone! I highly recommend and the collar is so much easier to I'm in shock! My vet is always pushing expensive pills that includes flea protection and my dog hates them. This collar not only works better than the pills it's easy to use! We also have two cats and they became infected with fleas. I tried everything to get rid of them but nothing worked to keep the fleas away. After I purchased the Seresto collars for our cats the fleas went away and straight to our dog (who was taking the pill form of flea protection) needless to say she also became infected. The collars worked so well on the cats I didn't hesitate to purchase one for the dog too. It's been a few weeks and the fleas are long gone! I highly recommend and the collar is so much easier to use than anything else I've tried. … more

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  • Highly Recommend

    By on

    Bought this for my dog for the summer of 2017 after finding ticks on him well into November 2016. When we didn't have much of a winter I was worried of a repeat and a higher chance of him possibly getting a tick borne disease. I was very impressed with this product as he didn't have a single tick on him in 2017. Will definitely be buying another for him for 2018. Definitely beats the messy flea/tick drops!

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  • Best Prevention

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    I have been using these since they came out. I hate the grease spot topicals leave on my dog's back, and the pill forms make my dogs throw up. I was thrilled to find this cheaper alternative that works amazingly well! I hike and have my dogs outdoors a lot and I can say that in all the years I have used them I have NEVER found a flea or tick on my dogs. Great product!

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