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Seresto Collar Flea and Tick Treatment (Pet Size: Large )

Ratings & Reviews for Elanco Seresto Collar Flea and Tick Treatment (Pet Size: Large )

4.7
252
Review
 4.7 out of 5
254 Reviews


100% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise this flea and tick collar for exceptional, long-lasting protection lasting eight months with zero parasite sightings reported. Most highlight comfort and lack of skin irritation, even for sensitive pets, contrasting favorably with topical treatments. The odorless design, ease of use, and durability through baths and active play are frequently cited advantages. A few mention higher upfront costs, and rare reports note ineffectiveness for specific pets. Overall, reviewers consider it a trusted, hassle-free solution they confidently recommend.

Customer review summary generated by AI, including incentivized reviews.
254 Customer Reviews

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[This review was collected as part of a promotion.] Giving this 5 stars because I’ve heard great things and read great reviews- my dog was recently in the ER for a bacterial infection and has been heavily medicated so was weary on adding anything into his system too (even externally). But it definitely seems easy to use and doesn’t at all seem too tight or uncomfortable.

May 11, 2026

From influenster.com

Efficient and safe

[This review was collected as part of a promotion.] This collar fits my German Shepherd perfectly. It can adjust the size and it’s soft. It has no strong odor. I like using this collar when I take my dog out.

May 11, 2026

From influenster.com

We live in a wooded area and this product does a g

Product was well packaged. Have used this for my Cane Corso for the last two years and has worked extremely well. You can cut it to size so it fits properly and you do not have excess hanging off the collar. We live in a wooded area and I have never seen a single tick or flea on her since we began using this product.

May 9, 2026

From influenster.com

Vet Recommended

The only flea and tick protection I’ve ever used for my dogs. The collar is easily adjustable to your dogs neck and no irritation noted. Works effectively and I’ve never had issues with fleas or ticks since using this product. Highly recommended!

April 29, 2026

From influenster.com

It works for 8 months.

We’ve had our little girl on this flea killer for 10 years now. She has never been bothered by those little parasitic vampires ever since. She wears it under her collar comfortably. It adjusts to fit her, just snip off the excess. Never had any skin irritation.

April 22, 2026

From influenster.com

Works really well

The collar is smooth. And adorable it last when my husky scratch his neck. It works really good with all that hair. I just still didn’t have to worry about fleas. The instructions are very easy to follow. I had no problem fitting it to my dog and cutting out the rest.

April 20, 2026

From influenster.com

Does a great job serving its purpose!

This flea collar held up really well for our large dog. We usually switch them out around the 6 month mark but they have done great for keeping bugs off of him! Easy to get on, easy to understand instructions.

April 16, 2026

From influenster.com

amazing flea collars

amazing flea collars! these last up to 8months and are perfect for my dogs! the price is a little high but they’re worth it! only the best for my boys!

April 16, 2026

From influenster.com

Works great for my 3 dogs!

I’ve been using the Seresto flea and tick collar for my dog, and overall I’m pretty happy with it. It’s super convenient because you just put it on once and it lasts for months, so I don’t have to remember monthly treatments. I noticed a big drop in fleas within the first couple of weeks, and it’s been keeping them away well. My dog doesn’t seem bothered by wearing it either, which is a big plus. The only downside is the price, it’s a little more expensive upfront than other options. Also, you...

April 15, 2026

From influenster.com

Easy to use, long-lasting, and very effective. My

[This review was collected as part of a promotion.] I’ve been using the Seresto collar for my dog and I’m honestly really impressed. It was super easy to put on, and my dog didn’t seem bothered by it at all. She actually stayed calm and comfortable the whole time. Within a short period, I noticed a big difference with fleas and ticks, which was such a relief. I also love that it lasts for months, so I don’t have to worry about frequent treatments. The fit was perfect for my large dog, and it fee...

April 13, 2026

From influenster.com

Easiest way to prevent flea and tick bites.

Serresto is an easy way to protect my dog from flea and tick bites. We have a collar where it fits inside snug to her neck. I love that its easy to use and can get wet on days when we swim. It does not irritate my dogs skin at all. Serresto is a wonderful way to protect our fur babies!

April 12, 2026

From influenster.com

It is good.

This product is good. My dog never had any issues with using this product. She is very sensitive and this item did not bother her. It kept the bugs away.

April 11, 2026

From influenster.com

An excellent option and very cost effective.

We use these for our farm dogs and love them. It’s so easy to put the collar on and they last such a long time, making the price well worth it. I have never had issues with them breaking or coming off, even for our dog that gets into everything.

April 11, 2026

From influenster.com

Super effective

I know these are controversial, but in all of the years I’ve used them on my dogs they’ve never gotten fleas or ticks. So easy to set it and forget it for a few months. No need to remember a pill!

April 10, 2026

From influenster.com

You never want to use them but useful if you have

You hope you never have to use one, but in the case you do, they definitely work. They all come oversized so that you can just cut off the excess, but it ensures that your dog will fit into it. About a year ago our dogs got fleas through the fence from the dog next-door and having a pack of four it was a disaster, trying to get rid of them and these were a giant help.

April 10, 2026

From influenster.com

A collar I’ve trusted for years - effective, long

I’ve been using Seresto Large Dog collars for about 5-6 years now, and they’ve consistently worked great for my dogs. No fleas, no ticks, no fuss. Even more important for me - my pup with epilepsy has never had any issues while wearing them. The collars are easy to use, long lasting, and give me real peace of mind. Definitely a product I trust.

April 9, 2026

From influenster.com

Protecting our best friends!

We have 2 amazing dogs and rely on Seresto Flea and Tick Collars to help protect them as they spend a lot of time outside on our farm! From running around outside to patrolling the barns the collars hold up to very active dogs! With the length of time the collars last makes it a great value and no maintenance required! Even with bath time the collars hold up!

April 9, 2026

From influenster.com

It works!

I’ve been using Seresto 8 month collars for several years on all my dogs. This collar does what it says and keeps fleas and ticks off my babies. Yes it really lasts for 8 months! I’ve given them baths with it on and it still works fine. I’ve used cheaper ones and they just don’t work as well, nor do they stay on. The collar is lightweight and as long as you follow the directions on where to cut it, it will stay on for the duration. It is thicker than a regular flea collar. Keep the collar in the...

April 9, 2026

From influenster.com

Perfect for sensitive skin

Got this for my grand puppy. She has very sensitive skin and sometimes the drops make her scratch. This works just as well and is much easier to use. It works for a long time too.

April 9, 2026

From influenster.com

Great product that actually works

This product has proven itself for many years. My dog has never had a tick on him since we started using it a little pricey but don't be lured to buy a cheap imposter always buy from a reputable seller. The collar is easy to adjust and my dog doesn't even know it's there. Zero maintenance and waterproof nothing else

April 8, 2026

From influenster.com