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Seresto Flea & Tick Collar for Large Dogs

Rated 4.68 out of 5
(761)(761 customer reviews)

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Price:$47.99

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Size: 1 Pack
Seresto Flea & Tick Collar for Dogs

$47.99

Seresto Flea & Tick Collar for Large Dogs, 2 pack

$78.99

Seresto Flea & Tick Collar for Large Dogs - 3 pack

$112.99

Seresto Flea & Tick Collar for Large Dogs - 4 pack

$146.99

Seresto Flea & Tick Collar for Large Dogs (5-Pack)

$180.50

Seresto Flea & Tick Collar for Large Dogs - 6 pack

$213.00

  • The Seresto Flea Collar for dogs provides 8 months of continuous flea and tick prevention.
  • The Seresto Flea and Tick Collar for Dogs uses contact to kill fleas and ticks, so they don’t have to bite your dog to death.
  • Veterinarian-recommended flea and tick prevention solution that is convenient, odorless, and non-greasy. There is no need for messy monthly treatments, making it an easy way to keep your dog protected from pests.
  • This collar is also effective in treating and preventing flea and tick infestations, as well as sarcoptic mange and lice infestations.
FREE delivery Sat, Feb 4

From the manufacturer

Seresto kill fleas and ticks banner

Non-Greasy, Odorless Flea and Tick Collar

Find the right collar for your dog

To ensure you get the right size Seresto dog collar for your pup, consider their weight.

  • The small size is meant for dogs up to 18 pounds and fits neck sizes 5-11.75 inches.

  • The large size is best for dogs over 18 pounds and neck sizes 10.5-23 inches.

f your dog falls outside of these weight and neck size parameters, the large size is still a good option since there is no upper weight limit.

Water-resistant

Seresto is just as effective after a shampoo treatment, swimming, or exposure to rain or sunlight. Its effectiveness under normal conditions lasts for 8 months.

To keep the duration at 8 months, dogs can only be bathed once a month maximum. If dogs swim once a month or more often, theflea control duration is reduced to five months and the tick control duration is reduced to seven months.

How does it work?

The collar’s innovative polymer matrix stores active ingredients which are released in low concentrations over an 8 month period. This means that fleas and ticks are killed through contact, and they don’t have to bite your dog first.

How to Apply

Step 1

Thread the end of the collar through the buckle to secure it in place.

Step 2

Adjust the collar around the dog’s neck, making sure it is not too tight or too loose. There should be enough space to comfortably insert two fingers.

Step 3

Put excess collar through the loop(s). Cut off any collar that hangs more than an inch beyond the loop(s), unless the dog is still a puppy and its collar is still growing.

Frequently Asked Questions

How long does it take to get rid of fleas?

Seresto eliminates existing fleas on dogs within 24 hours of application. Following the initial 24 hours, any new fleas are killed within 2 hours.

How can I tell if the Seresto collar I bought is real?

It is essential that pet owners buy authentic Seresto products from authorized and trusted retailers.

Counterfeit collars and their packaging look very similar to the actual product. Be sure the collar does not have a oily feel or an aroma.

Does it expire?

There is no expiration date required on the packaging.

The product should be kept in its original packaging and stored according to the label’s directions.

What are the key ingredients?

The effective ingredients in Seresto collars are Imidacloprid and Flumethrin: Imidacloprid to help control fleas and Flumethrin to help control ticks. No other product has this combination of ingredients.

About This Item

  • Veterinarian-recommended prevention treatment kills fleas and ticks on puppies and dogs 7 weeks and older.
  • This product 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.
  • Repels and kills ticks within 48 hours of initial application and re-infesting ticks within six hours; works on contact with no painful biting required
  • This easy-to-use, 27.5-inch adjustable collar is odorless and non-greasy, with a quick-release feature and visibility reflectors for extra safety.
  • Waterproof formula continues working for up to eight months, even after bathing, swimming and sun exposure.

Active Ingredients: Flumethrin 4.5%, Imidacloprid 10.0%.

Only use one collar per animal. Make sure the collar is snug but not too tight, you should be able to fit two fingers between the collar and your pet’s neck. Once the collar is fitted, cut off any excess that is longer than 1 inch. The collar should be worn all the time for the 8 month protection period. Check it every so often and adjust the fit if needed, especially when puppies are growing quickly. Keep the collar in the bag and in the outer packaging until you are ready to use it. Replace the collar after 8 months for optimal tick and flea protection.

Water Resistance: It is not necessary to remove the collar before your pet gets wet – whether from shampooing, swimming, or exposure to rain or sunlight. To maintain the 8-month protection, however, pets should not be bathed more than once a month. For pets that swim frequently, the control duration is reduced to five months for fleas and seven months for ticks.

Use & Care Instructions
Size Neck Recommended Weight Recommended Age
Small 15 inches up to 18 lbs over 7 weeks
Large 27.5 inches over 18 lbs over 7 weeks

Where is this product sourced from?

We source all our products from manufacturer approved distributors or directly from the manufacturers. Chewy takes pride in ensuring that our furry friends’ wellbeing is always our top priority. We have worked hard to partner with all of the manufactures to deliver 100% authentic products

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 backyard 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 backyard 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 the original unopened container in a cool, dry place that is inaccessible to children. Disposal: Dispose of container, pouch and expired collar in trash.

How can I verify the legitimacy of this collar?

Seresto.online is an authorized retailer of Seresto® products, which means we purchase the products we sell directly from Elanco, the maker of Seresto®. If you would like to verify the legitimacy of your collar, call Elanco’s veterinary team at 1-800-255-6826.

Important Information

The increase in fleas you are seeing is likely due to the fact that they are dying off after treatment. This is normal and to be expected. If you are still seeing fleas after application, it is possible that your pet has picked up new fleas from the environment. This can include other pets, surfaces, and outdoor areas. It may take up to 30 days to break the entire flea life cycle. Additionally, you should also treat sources of new fleas (e.g. carpet, yard, etc.) to ensure complete flea control.

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Customer Photos

761 Customer Reviews

  • The best flea/tick collar!

    By Tessa Steverson on 11.11.2022 at 06:13

    5 out of 5

    We are so happy we made the switch to the Seresto collar and would highly recommend it to anyone looking for an effective way to protect their pet from fleas and ticks.

  • This product is worth the price

    By Jeremy Duncan on 11.05.2022 at 12:47

    5 out of 5

    We would highly recommend the Seresto collar to anyone who is looking for an effective and affordable way to protect their pet from fleas and ticks.

  • I wouldn't use anything else

    By Lisa on 11.01.2022 at 09:07

    5 out of 5

    The Seresto collar is the best flea and tick collar we have ever used and we will never go back to using anything else.

  • It works great

    By Denice Buford on 10.21.2022 at 19:17

    5 out of 5

    We’re so glad we made the switch to the Seresto collar and would never go back to using anything else.

  • Great pest control for fleas/ticks

    By S. Strother on 10.11.2022 at 10:03

    5 out of 5

    The Seresto collar has been a great investment for us and has definitely helped to keep our dog healthy and happy.

  • Amazing and lasting results

    By Douglas Sawatzke on 10.06.2022 at 18:00

    5 out of 5

    We’ve tried other flea and tick collars in the past, but none have worked as well as the Seresto collar.

  • Protects my pretty boi and it never seemed to bother him

    By Marcus meadow on 09.27.2022 at 13:17

    5 out of 5

    The collar is easy to use and adjust, and our dog doesn’t seem to mind wearing it at all.

  • 5 out of 5 stars, No fleas, no ticks!

    By Megan Jackson on 09.23.2022 at 10:54

    5 out of 5

    We’re very happy with the Seresto collar and would definitely recommend it to anyone looking for an effective way to protect their pet from fleas and ticks.

  • Works well with my dogs

    By Justin Trantham on 09.18.2022 at 12:11

    5 out of 5

    We live in an area with a lot of wooded areas and our dog loves to explore, so the Seresto collar has been a lifesaver in keeping her protected from all the pests out there.

  • The best Flea and Tick Collar

    By James Z. on 09.11.2022 at 17:49

    5 out of 5

    Our dog has been wearing the Seresto flea and tick collar for about a month now and we have noticed a significant decrease in the amount of fleas and ticks on her.

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