Onguard Plus Flea & Tick Spot Treatment for Dogs, 23-44 lbs

By Onguard Plus
Rated 3.6721 out of 5 stars
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Onguard Flea & Tick Spot Treatment for Dogs, 23-44 lbs, 3 Doses (3-mos. supply) slide 1 of 7
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$18.99Chewy Price
$18.04Autoship Price
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About This Item

  • Contains the same two active ingredients as the leading national topical flea and tick brand.
  • Topical treatment kills all life stages of fleas and ticks on dogs at least eight weeks old and ranging from 23 to 44 pounds. Helps control infestations of chewing lice and sarcoptic mange mites.
  • Helps break the flea life cycle and rids your dog of flea eggs, larvae, pupae and adults. Also kills tick larvae, nymphs and adults.
  • Effective against fleas that cause flea allergy dermatitis as well as brown dog ticks, American dog ticks, lone star ticks and deer ticks that may carry Lyme disease, when used as directed.
  • Redesigned applicator makes it easier to apply this long-lasting and waterproof treatment that provides protection even after your dog has a bath, or gets wet from the rain or plays in water.
Play Video: Learn More About Onguard Plus From Our Team of Experts
Learn More About Onguard Plus From Our Team of Experts

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Top IngredientsActive Ingredients: Fipronil 9.8%, (S)-Methoprene 8.8%.Active Ingredients: Etofenprox: 55.0%, Piperonyl Butoxide*: 10.0%, N-octyl Bicycloheptene Dicarboximide (MGK 264): 1.0%...Permethrin: 45%, S-Methoprene: 3%, Other Ingredients: 52%.Permethrin: 45%, S-Methoprene: 3%, Other Ingredients: 52%.Active Ingredients: Fipronil 9.8%, (S)-Methoprene 8.8%
LifestageAdultAdult, Puppy, SeniorAdultAdultAdult
Breed SizeMedium Breeds, Small BreedsSmall Breeds, Medium BreedsMedium Breeds, Large BreedsSmall Breeds, Medium BreedsExtra Small Breeds, Small Breeds

Questions & Answers

7 Customer Questions


Is this safe for older dogs?
Answer by ChewyApr 21, 2021
This flea treatment is appropriate for dogs 8 weeks and older within the weight specified on the packaging (for this treatment, 23-44 lbs)

Does this help repel mosquitoes?
Answer by ChewyMar 23, 2021
This treatment does not repel mosquitos.

Is this Vet Recommended?
Answer by ChewyMar 14, 2021
This Flea and Tick Treatment does not require an approval from a veterinarian.

Will this product keep flies from biting their ears
Answer by ChewyAug 02, 2021
This treatment is designed to be effective against fleas that cause flea allergy dermatitis as well as Brown dog ticks, American dog ticks, Lone Star ticks and Deer ticks that may carry Lyme disease.


ReviewsWrite a Review

3.7
Rated 3.6721 out of 5 stars
61 Reviews
72%
Would recommend to a friend
1
21.3115
21%
2
9.8361
10%
3
6.5574
7%
4
4.918
5%
5
57.377
57%

61 Customer Reviews



Rated 2 out of 5 stars
By Pash on Aug 17, 2022

Dog got fleas for the first time ever 2 days after using this the first time

My vet recommended I stick with Simparica Trio or use Nexguard for fleas. I wanted to use something a little less invasive and try out a topical treatment. My mistake. My poor dog got fleas for the first time ever not 2 days after using this for the first time :( I guess the low price of this wasn't worth it. Also, after some research, though this is the same active ingredient as Frontline, Frontline has been on the market for over 10 years and most ticks are resistant to these ingredients now. Chewy refunded me thankfully but I won't use this again.


Rated 1 out of 5 stars
By SumO on Sep 17, 2022

Does not work

Had her on it for a couple of months to check to see if it would slowly build up but NO. The bugs in the south are numerous and very voracious. This might work in other locations but not in the Southern US.


Rated 1 out of 5 stars
By KROB on Sep 13, 2022

DId not work

I live in the south where flea season is pretty much all year round and this did not work for my 40 pound, short haired mut. I have pulled multiple fleas off of her since using this. Would not recommend.


Rated 3 out of 5 stars
By Boomer on Jul 20, 2022

Mid product-Not sure it worked

I purchased this brand over the more expensive because it appeared to have a higher amount of medication than the other. I'm not 100% sure it is working. My dog continues to scratch and chew but this may be allergies. I haven't seen any fleas recently so we will continue to monitor the next few doses and see if it improves.


Rated 1 out of 5 stars
By Pollyanna on Jun 4, 2022

Flea protection was horrible

I bought 2 boxes, thinking it was going to work. I applied as directions said, my poor little dogs, they both are still miserable. It did not stop all of the bugs or fleas. It was as I did nothing at all. Very dis Satisfied, the Price was Reasonable was why, I tried. What actually will work on a small/medium Fiest ? They both have short hair, but stay outside. Fleas are eating them up, we treated our yard with Adam's Flea repellant too. We dip the dogs, with another Adam's product. No help. So, I tried these once a month treatment. No help ?


Rated 5 out of 5 stars
By Melody on Jul 15, 2022

Perfect!!!!

Works great! Give a nice flea bath beforehand and then apply- make sure they're clean! great price and no fleas or ticks seen! Happy pup!


Rated 5 out of 5 stars
By Annie11 on Sep 23, 2022

Works great

Have been using these for 3 yrs now , never had a problem.


Rated 3 out of 5 stars
By Kristen on Jun 1, 2022

Somewhat Disappointed

Still seeing some fleas on my Pibble up to a week after applying. Could be I need the next size up though instead of faulty product.


Rated 5 out of 5 stars
By Kaymart on May 28, 2022

Onguard flea and tick

I am so happy that I found this product. It seems to be working just fine, and it’s about half the cost of your regular topical treatments


Rated 1 out of 5 stars
By Gill on Jun 1, 2022

did NOT work 100 %

I applied it properly yet I'm STILL finding Lonestar ticks on my dog occasionally and i keep my pet inside most of the time