Seresto: Flea and Tick Control Made Easy

Filed under 1800petmeds, New Pet Products at PetMeds

The Seresto collar kills fleas and ticks and is for use on dogs and cats

As a concerned pet parent, you know that protecting your four-legged friend from parasites like fleas and ticks is important. Topical pest control products can be messy and smelly, and with our ever-busy lives, it can be difficult to remember to apply every month. Have you ever wondered if there is anything new in flea and tick protection for your pet? Now available at PetMeds, the Seresto collar is the first new treatment in over a decade to offer flea and tick protection for both dogs and cats, and is also the first product to provide tick control for cats as well as for dogs. Best of all, it provides long-lasting coverage.

What does Seresto do?

The Seresto flea and tick collar provides effective control of fleas, flea eggs, flea larvae and ticks. The collar not only kills fleas and ticks, but repels ticks before they can bite, protecting your dog or cat from tick-borne diseases.

How long does Seresto last?

The Seresto collar lasts for 8 months

A Seresto collar begins working as soon as the collar is applied and will protect your dog or cat from fleas and ticks for up to eight months.  This innovative collar provides freedom from the inconvenience of applying a topical product to your pet every month, or trying to get your pet to take a monthly flea-control pill. It’s as simple as selecting the correct size collar and placing it around your pet’s neck.

How does Seresto work?

A unique polymer matrix allows the collar to slowly release controlled doses of the active ingredients, imidacloprid and flumethrin, over an extended period of time. Research has proven that the two active ingredients work synergistically together to dramatically increase their efficacy.

When placed on your pet, the ingredients in the Seresto collar are distributed on the outer surface of your pet’s skin and hair coat, where the ingredients come in contact with the parasites. The sustained release technology allows the migration of the active ingredients to adjust, depending upon the concentration of the ingredients within the lipid layer of your pet’s skin, thereby ensuring a steady, low-dose release.

What else should I know about Seresto?

The Seresto collar has a safety release mechanism

This innovative non-prescription collar is offered by Bayer Animal Health, and may be used on dogs 7 weeks or older, and cats 10 weeks of age or older.  It’s available for small dogs up to 18 pounds, large dogs 18 pounds and over, and cats of all weights. The collar is odor free, water-resistant and will continue to work even if it becomes wet or dirty, and the safety release mechanism prevents strangulation should the collar become caught or tangled.

Read Related Posts on PetMeds® Blog:

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  4. Certifect Flea and Tick Control for Dogs
  5. PetMeds® Frontline Top Spot Flea Control


  1. Posted February 15, 2013 at 6:19 am | Permalink

    This looks like a cool product that is going to work. Although I have always found pet wash experts and their techniques to be the best dog flea treatment for my pet. I would surely try this out too, but I am definitely not going leave my pet’s wash expert. They really do a great job.


  2. Jerry O'Connor
    Posted May 17, 2013 at 11:28 pm | Permalink

    I would like to know just one thing. I was told that most collars just work around the neck area where they are worn. Does this product protect the entire pet? I would love someone to email me the answer to this question.

    Thank you


    Dr. Michael Dym, VMD veterinarian Reply:

    Most collars dispense the active chemical through the hair follicles throughout the coat.


  3. Anna
    Posted July 1, 2013 at 1:30 pm | Permalink

    The Preventic Collar has to be strictly in contact with the pets skin. I have even seen some recommendations that you shave some of their pets hair around the neck so the collar is in contact with the skin. Is this similar?


  4. Sue
    Posted August 7, 2013 at 2:33 pm | Permalink

    This is the best flea killer ever.. 1 month now and not a sign of a flea on my Shepard.. Getting ready to get one for my Yorkie.. So far-So Good


  5. Sue
    Posted August 7, 2013 at 2:38 pm | Permalink

    NO, I put it on my Shepard with all his fur in tact.. do not shave.. believe me, I live in Southeastern VA-NC border…We have PLENTY of fleas here..He was miserable with any other product. Now, he is a new boy ……


  6. Arelis
    Posted December 14, 2013 at 6:28 pm | Permalink

    My dog has had this collar on for over 6 mos. While I was suspect, I think it did a decent job. It cost me about $70 and I have found ticks and fleas over the last few months. While I’m not totally disillusioned, I don’t think its 100% proof and my dog is not an outdoor dog nor is it around other pets much so why has he caught fleas/ticks even with it on ? I wonder!


    Dr. Michael Dym, VMD veterinarian Reply:

    I am not big fan of these type of collars. I prefer topicals like flea 4x from 1800petmeds.


  7. Robert Brake
    Posted April 28, 2014 at 8:33 am | Permalink

    I used the Seresto collar for large dogs on my 90lb German Shepard, Winston, last year. It worked extremely well, no fleas and an occasional dead tick. We live in the woods. So this year I ordered another collar. A week after putting it on Winston, WINSTON DIED. He started swelling after 5 days, fell down on evening of the 6th day, and died the morning of the 7th day in the Vets office. Be careful with this product.


    Sue Reply:

    Robert. First, Please allow me to send healing prayers. My dogs are my children and my heart is hurting for you.
    Are you 100% positive the Seresto collar did this to Winston?
    I think it must be made public far and wide if this is in fact what made him pass.
    While it worked fantastically for my Shepard, I am very scared to use it now as I take NO chances when it comes to my babies.
    Has it been diagnosed as the cause of death? I would ask you to please find out every answer, the hows, whys, and every other answer I could get from Bayer. We owe it to the people who Love their babies to pass on every tidbit of information possible. Please let us know everything you find out that has to do with Winston’s passing.
    I volunteer for many rescues and want to pass on all information I can get. I / We are all obligated to let it be known so we can save the lives of other animals.
    I, for one will never use Trifexis on any of my babies. My baby took one and within 3 hours I had her to the emergency vet. (they will still not say it was the Trifexis that caused this reaction.) It made every one of my babies sick (throwing up sick). Why would I want to give this poison to my babies if it has this reaction?
    Please get all the info on this for us as we are all only wanting what helps our Pets.
    I again am so very sorry for your loss. God Bless and Godspeed Winston.


  8. Robert Brake
    Posted April 28, 2014 at 12:21 pm | Permalink

    Sorry, but Winston was already dead & cremated when my neighbor, who rescues dogs, told me about the Seresto. She had researched the product and did not use it on her dogs. She told me about the side effects and they seem to match up with Winston’s reaction prior to his death, loss of motor skills and shortness of breath. As I said in my prior statement, He wore the same collar all last year with no problems.


    Robin Reply:

    My vet told me to use Seresto and to discontinue the flea and tick preventitive (we live in the woods) but to continue with the heartworm meds. After hearing of Winston I’m not so sure! I’m going to have to do some more research! I’m with you Sue, and Winston, please give my Angel and Ginger a hug!


  9. Michelle
    Posted May 29, 2014 at 4:46 pm | Permalink

    Should my dog be taking Sentinel with Seresto collar? We switched to Sentinel after a bout of whipworms.


    Dr. Michael Dym, VMD veterinarian Reply:

    I dont think this will be a problem.


  10. Posted July 11, 2014 at 10:09 am | Permalink

    I have my dog ware this collar but do can leave it if nned bath? let me know thank u


    Dr. Michael Dym, VMD veterinarian Reply:

    I would take collar off if you bathe him and then reapply 24 hours after bath.


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