VET'S BEST Flea & Tick Spot Treatment for Dogs, Over 40 lbs, 4 Doses (4-mos. supply) -

Vet's Best Flea & Tick Spot Treatment for Dogs, Over 40 lbs, 4 Doses (4-mos. supply)

By Vet's Best
Rated 3.1667 out of 5 stars
Pet Weight

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$14.99Chewy Price
$22.99Chewy Price
$14.24Autoship Price
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About This Item


  • Kills and repels fleas and ticks by contact for up to one month for large dogs over 40 lbs and who are 12 weeks or older.
  • The supplied dropper applicator makes this solution easy to apply. Simply squeeze the specified amount between your pet's shoulder blades and at the base of the tail.
  • This natural formula is crafted with a unique blend of certified natural oils, including clove, thyme and cinnamon oils.
  • Formulated for dogs and puppies 12 weeks or older when used as directed.
  • Manufactured in the USA with quality domestic and internatially sourced ingredients.

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Play Video: Learn More About Vet's Best From Our Team of Experts
Learn More About Vet's Best From Our Team of Experts

Important Information

Fleas rise to the top of your pet's coat as they die, so consider it a triumph if you start seeing more fleas at first, after treating your pet. If you’re still seeing fleas after application, it may be because your pet has picked up new fleas from the environment, which may 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 (i.e., carpet, yard, etc.) to ensure complete flea control.

Questions & Answers

4 Customer Questions

Is it waterproof
Answer by ChewyAug 08, 2021
This treatment is waterproof however, you should always wait at least 24 hours before bathing or swimming.

Is this okay to use on my dogs with a cat in the house?
Answer by ChewyDec 04, 2022
Please allow product to dry before allowing other pets around the dog.

Does this help prevent mosquitos in addition to fleas and ticks?
Answer by ChewyAug 15, 2022
This only repels and kills fleas and ticks.

will this work on dogs 180 pounds
Answer by ChewyMay 09, 2022
This flea and tick treatment is suitable for dogs over 40 pounds. It is suitable for dogs over 100 pounds.

ReviewsWrite a Review

Rated 3.1667 out of 5 stars
18 Reviews
Would recommend to a friend

18 Customer Reviews

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Rated 1 out of 5 stars
By jazz on Jan 18, 2023

Not for White Fur Pets

I purchased this because I wanted to try something new and it’s an plant based product. I put this on my dog and he now has yellow stains on his coat. I’m very disappointed and I don’t know how to get rid of it. This is his second bath since using it a few weeks ago and the yellow is still very obvious. So if your pet is white …. PLEASE AVOID ! Can’t really see it in my photos but outside he’s yellow

Rated 5 out of 5 stars
By Dee50 on Nov 2, 2022

Love it, great

I love that it's plant based with no harsh chemicals like the expensive brands. My dog doesn't roll all over after I put it on him like he use to with the expensive brands. I love putting it on him knowing it's safe for him. I will never ever go back to the expensive stuff that has extremely harsh chemicals.

Rated 3 out of 5 stars
By Mary on Aug 13, 2022

Vets Best Spot On

I will have to apply to my dogs in the 2 week period it did not last a full month it smells pleasant and I can use it with the flea away so I do not have to give the dogs flea away everyday just once a week or 1/2 the dose of flea away twice a week along with the vets best spot on

Rated 1 out of 5 stars
By Gabby on Nov 2, 2022

Turns white dogs yellow green

The product does not work. If your pup is white, it will leave a yellow- green, oily, strip across its back.

Rated 1 out of 5 stars
By jenb on Aug 12, 2022


The product came with one empty vial it leaked to all through our package I'm in the process of contacting chewy... Besides that I love that the product is more on the natural side and I love the scent

Rated 5 out of 5 stars
By Kelly on May 11, 2022

It actually works!

We're in prime tick season in New Hampshire and they're bad this year, and I'm impressed. No engorged ticks on our dogs, will only find some in the ear area on our bigger dog or crawling off them and honestly with how bad the ticks are here that's normal no matter what we use. The smell is strong so I'd recommend having them outside for an hour or so right after putting it on, but the smell is definitely worth it knowing my dogs aren't getting Lyme disease or tapeworms from fleas. I love that there's a more natural alternative that works!

Rated 5 out of 5 stars
By Blessed on Jul 21, 2022

Wonderful product

Love the natural flea med. My four legged baby feels wonderful and smells great.

Rated 1 out of 5 stars
By Googly on Feb 19, 2022

I hate this product

I'm a fan of Vet's Best products.....usually. However, not only does this product do absolutely nothing to prevent ticks, but it also stained my white dog's fur. Her fur has been stained since November of 2021. It is, as I write this, the end of February 2022. We bathe the dogs about every 3 weeks and nothing has helped to get the orange stripe running down her back to go away. I'm disgusted.

Rated 4 out of 5 stars
By Nyflyboy on Nov 30, 2021

Not perfect, but a lot safer then using toxic chemicals...

I've used Vets Best for 2 yrs on my English Setters and it seems to work well against fleas, but ticks are a different story. We have a plague of ticks in rural NY and they are at their worst in early spring and fall. I can't even walk my girls down the road, without a tick latching on. Vet's Best spot treatment, spray and shampoo, when combined are a good deterrent against them. Yes, the smell is strong for a day or two, so I put the spot on prior to our 2 mile walk and it's dry by the time we're back home. You should do a tick check after your dog is outside, to remove any possible hitch hikers from getting into your home. They'll drop off once they smell the spot on. I got away from the toxic chemicles, because one Setter was having constant seizures. Now she hasn't had any. If your dog has white fur, expect to see a slight yellowish color where it's applied. It's no big deal, it fades in time. Though it's a little more work, I'll never use commercial drops, oral meds or collars on my dogs again.

Rated 2 out of 5 stars
By Marie on Apr 14, 2022

Messy flea and tick

My dogs cost is white I put on as directed his coat turned bright yellow