Frontline Shield Flea & Tick Treatment for Large Dogs, 41 - 80 lbs

By Frontline Shield
Rated 3.2222 out of 5 stars
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Frontline Shield Flea & Tick Treatment for Large Dogs, 41 - 80 lbs, 6 doses (6-Month Protection) slide 1 of 11
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Frontline Shield Flea & Tick Treatment for Large Dogs, 41 - 80 lbs, 6 doses (6-Month Protection) slide 1 of 11
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This Item - Frontline Shield Flea & Tick Treatment for Large Dogs, 41 - 80 lbs, 6 doses (6-Month Protection)
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About This Item

  • Helps kill ticks, stable flies, chewing lice and adult fleas, flea eggs and larvae.
  • Topical solution helps to repel ticks that may transmit Lyme disease and mosquitoes that may transmit heartworm disease.
  • Helps prevent reinfestation by stopping all flea life stages from developing.
  • Each dose is formulated to protect your dog for a full 30 days.
  • The treatment is easy to apply and is waterproof 24 hours after application.
Play Video: Learn More About Frontline Shield From Our Team of Experts
Learn More About Frontline Shield From Our Team of Experts


About FRONTLINE Shield for Dogs

The #1 Name in Flea and Tick Protection*

FRONTLINE Shield is powerful 3-in-1 protection for dogs. It not only kills fleas and ticks—it also repels mosquitoes, ticks and stable flies. Just one dose provides protection for a full 30 days.

Breaks the Flea Life Cycle

FRONTLINE Shield kills existing adult fleas as well as flea eggs and larvae. Once applied, it rapidly spreads over the surface of your dog’s body. One application provides continuous flea and tick protection for a full month and helps prevent future infestations.

Protect Your Dog So You Can Go Anywhere Together

Fleas and ticks can be found everywhere outdoors—the park, the lake, even your own backyard. That’s why monthly protection is so important.

From the #1 Name

FRONTLINE is the #1 name in flea and tick protection.*

Repellency Power

Repels ticks, mosquitos and stable flies, so they won’t bug your pet.

Kills Fleas and Ticks

FRONTLINE Shield kills fleas, ticks and chewing lice.

Powerful Defense

Repels ticks that can carry Lyme disease and mosquitoes that may transmit heartworm disease.

Trusted Protection

FRONTLINE brand products are the flea and tick protection products pet parents trust most.*

Waterproof

FRONTLINE Shield becomes waterproof 24 hours after application, for lasting protection.

Effective for Puppies

Can be used on puppies as young as 9 weeks old who weigh at least 5 lbs.

For Dogs Big and Small

Doses come in Extra-Small 5-10 lbs., Small 11-20 lbs., Medium 21-40 lbs., Large 41-80 lbs., and Extra-Large 81-120 lbs.

Fleas and Ticks Abound Year-Round

No matter the time of year, fleas and ticks can pose a threat to your dog. Flea infestations usually begin 6-8 weeks before you ever see a flea, and once you have a flea problem, it can take 90 days or more to fully eradicate. That’s why you need monthly protection year-round with FRONTLINE Shield.

Year-Round Protection With Autoship

Sign up for Autoship today and save on FRONTLINE Shield. You’ll get a discount on every order, and you can rest easy knowing you’ll never run out of your dog’s flea and tick protection.

Dedicated to Prevention

Boehringer Ingelheim, the maker of FRONTLINE Shield, is committed to enhancing pet well-being and supporting the animal health community through science and innovation. No pet should have to suffer a preventable disease, which is why Boehringer Ingelheim develops product lines like FRONTLINE, the flea and tick protection brand most trusted by pet parents.* 

About FRONTLINE Shield

FRONTLINE Shield protects your dog from fleas and ticks. Three powerful ingredients combine to kill fleas, ticks and chewing lice fast—and continue protecting your dog for a full 30 days. A single topical application of FRONTLINE Shield also repels stable flies, ticks that may transmit Lyme disease, and mosquitoes that may transmit heartworm disease. It’s the monthly protection your dog needs, from the brand you trust.

Shop FRONTLINE Shield

*Data on file at Boehringer Ingelheim.

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Top IngredientsFipronil, Permethrin, Pyriproxyfen.Fipronil, Permethrin, PyriproxyfenFipronil, Permethrin, PyriproxyfenFipronil, Permethrin, PyriproxyfenFipronil, Permethrin, Pyriproxyfen.
LifestageAdultAdultAdultAdultAdult
Breed SizeLarge BreedsGiant BreedsMedium BreedsSmall BreedsExtra Small Breeds, Small Breeds

Questions & Answers

5 Customer Questions


can this be used with other Frontline flea and tock products?
Answer by ChewyJun 24, 2021
This treatment is effectively formulated to protect your dog for a full 30 days. Applied monthly, you do not need to use any other treatments while using Frontline Shield.

Does this product negate the need for heart worm prevention?
Answer by ChewyMay 25, 2021
This treatment kills fleas and ticks, plus repels ticks that may transmit Lyme disease and mosquitoes that may transmit heartworm disease. That being said, we always recommend consulting your Veterinarian to see what would be the safest for your individual pets treatment plan.

can this be used on pregnant dogs?
Answer by ChewyApr 19, 2021
It is recommended to consult with your veterinarian before using on pregnant dogs.

what is the best way to apply this flea protection
Answer by ChewyMar 15, 2021
Apply topically.


ReviewsWrite a Review

3.2
Rated 3.2222 out of 5 stars
18 Reviews
61%
Would recommend to a friend
1
27.7778
28%
2
16.6667
17%
3
0
0%
4
16.6667
17%
5
38.8889
39%

18 Customer Reviews


Filter by reviews that mention

Rated 4 out of 5 stars
By Shel on Oct 9, 2022

Frustrated

I have applied this to my dog and he still got fleas. I am very frustrated and upset. Now I have to flea bomb my house and go buy something different for him to use. My poor baby!


Rated 5 out of 5 stars
By TuckersDad on Jul 25, 2022

Easy to apply

I really love how easy these are to use. It takes seconds to get my dogs set and ready, the instructions are simple and intuitive, and then we’re ready for any adventure. This is something we plan to use frequently from here on out.


Rated 1 out of 5 stars
By Jenny on Aug 17, 2022

Does not work

My dogs still have fleas after flea baths to get them started, 48 hour wait to get them completely dry, and then this treatment they still have fleas.


Rated 1 out of 5 stars
By Marion on Sep 21, 2022

Still have fleas

I used this product exactly per directions. A week later my pets still have feas.


Rated 5 out of 5 stars
By ksinger0119 on Jul 8, 2022

Love this product

Love that this product also protects my dog from mosquito bites. That extra protection helps protect my furry dog so worth it. The application is easy.


Rated 5 out of 5 stars
By HopsMom on Jul 8, 2022

Best flea & tick product ever!

This product worked fast and well on my dog who came home from a camping trip with fleas. I cant recommend it enough!


Rated 5 out of 5 stars
By Tara on Jan 4, 2022

First time flea

Never dealt with fleas before, and recently I found about 2-3 on my dog. I went to the nearest pet store and picked up frontline shield. This worked like a charm. Be sure to apply to skin and not fur. I have not seen a flea on him since, and I saw the ones fall off his coat slowly dying/already dead. In addition I got the vets best home spray to spray upholstery to kill the life cycle of any eggs that may be lying around. Cleaned all sheets/clothes on hot, rid his dog bed and now I’m week 4 without seeing a single flea since application. This will kill fleas and prevent them on your dog. In addition, treat any home areas that may have been exposed to flea eggs


Rated 5 out of 5 stars
By Roscoe on Apr 6, 2022

Shopping on line

Love the great price and free shipping on products. Also the Auto ship so I don"t run out of Frontline.


Rated 2 out of 5 stars
By michi on Dec 12, 2021

doesn't absorb well

I've used frontline products for my dogs for a very long time. Tried this product recently and it seems extremely greasy compared to frontline gold. Does not seem to absorb into either one of my dogs skin. Have to be careful not to touch my dogs for days and it would get on our furniture. Seemed to work for ticks and fleas but because of the lack of absorption Will be switching back to Frontline gold.


Rated 1 out of 5 stars
By Jess on Dec 3, 2021

20+ year user

I've used frontline products for over 20 years. I have active hounds that run through the woods. Fleas and ticks used to stay away, the last 2 years the product hasn't worked as well. I have just switched to a new flea medication through the vet. No fleas. No more frontline.