Vectra Flea Spot Treatment for Cats & Kittens, over 9 lbs, (Green Box), 3 Doses (3-mos. supply)

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About This Item

Details

  • Kills fleas through contact, eliminating the need for them to bite your cat.
  • Controls adult fleas and helps break the flea life cycle for lasting relief.
  • Helps protect against Flea Allergy Dermatitis (FAD) and anemia caused by fleas.
  • The easy-to-apply topical solution is quick drying, fragrance free, and non-greasy.
  • Suitable for both indoor and outdoor cats—no prescription required.

Ingredient Information

Instructions

FAQ

Questions & Answers

3 Customer Questions


Does it prevent fleas or only Kills fleas once they bite the cat?


Does this take care of ticks also?

Answer by ChewyJun 15, 2025
This treatment is not intended for ticks.

Does this have to have a prescription?

Answer by ChewyDec 09, 2024
This treatment does not require a prescription.
4.5
Rated 4.5 out of 5 stars
191 Ratings

Customers Mention

Chewy identifies key considerations with the help of artificial intelligence and our veterinarians.

Ease of Use

84% Positive

Effectiveness

89% Positive

Ingredients

87% Positive

Long-Term Benefits

86% Positive

66 Customer Reviews



Always consult a veterinarian about your pet’s health needs. Customer reviews should not be used as medical advice.

Rated 1 out of 5 stars
By Kacie on Nov 22, 2025

Made Both of My Cats Sick and Didn’t Work

I used Vectra on both of my cats on 11/9, and within 48-72 hours they became noticeably ill. One of my cats began vomiting and hid under the bed for almost two days

I used Vectra on both of my cats on 11/9, and within 48-72 hours they became noticeably ill. One of my cats began vomiting and hid under the bed for almost two days. The other cat had projectile vomiting a couple of days later. These reactions started shortly after applying the product and nothing else in their routine changed. I specifically chose Vectra over Frontline or Advantage because I didn’t see any reviews mentioning cats getting sick. I’ve always been nervous about topicals and prefer the holistic route when possible. On top of that, the treatment didn’t work. I was still finding multiple live fleas on my female cat after application. I wouldn’t recommend this product.


Rated 4 out of 5 stars
By Carley on Aug 29, 2025

Works pretty good

So within the first 24 hours the fleas on them were immediately dead. But if you've got a flea cycle going it doesn't seem to work as well as it does within the

So within the first 24 hours the fleas on them were immediately dead. But if you've got a flea cycle going it doesn't seem to work as well as it does within the first week. I'm hoping the next couple of rounds kill them all off. I have one cat who's neck was too tore up from his allergic reaction to the flea bites so I had to give him capstar. But even his neck seems to be healing so I do believe we have far less than what we did starting out with using frontline.


Rated 1 out of 5 stars
By Angela on Nov 5, 2025

Has not helped at all

My cats rarely get fleas as they are indoor so I only apply meds as needed and it usually clears up the problem. However, this has not helped AT ALL.

My cats rarely get fleas as they are indoor so I only apply meds as needed and it usually clears up the problem. However, this has not helped AT ALL.


Rated 2 out of 5 stars
By Camp98 on Oct 24, 2025

Not the best

Not the best flea product. My cat constantly scratched where I applied the solution. It didn't help with the flea problem. I think Vectra made my cat more itchy

Not the best flea product. My cat constantly scratched where I applied the solution. It didn't help with the flea problem. I think Vectra made my cat more itchy.


Rated 5 out of 5 stars
By Lindasue on Oct 29, 2025

5* Effective

Successfully used on outside feral cat. Was easy and effective for flea dermatitis. Immediate improvement.

Successfully used on outside feral cat. Was easy and effective for flea dermatitis. Immediate improvement.


Rated 4 out of 5 stars
By Kathie on Oct 30, 2025

a lttlie less expensive works great!

works just as well as the top brands. may have to give second dose after two weeks to take full effect.

works just as well as the top brands. may have to give second dose after two weeks to take full effect.


Rated 5 out of 5 stars
By Leona on Jul 13, 2025

This WORKS

I love using this, and Chewy has a good price. I wish customers were important to Chewy...I would have happily put this on Autoship. Sadly, because of the way

I love using this, and Chewy has a good price. I wish customers were important to Chewy...I would have happily put this on Autoship. Sadly, because of the way they treat customers, behaving as if they are doing US a favor by doing business with them, I will take my business elsewhere. Word of advice, watch your bank account if you do business here!!!


Rated 5 out of 5 stars
By Sharon on Nov 9, 2025

Finally the fleas are gone!

My vet recommended this brand for my four cats’ fleas. Worked wonders!

My vet recommended this brand for my four cats’ fleas. Worked wonders!


Rated 5 out of 5 stars
By Virginia on Dec 5, 2025

something different and vet recommended

Tried the purple box, didn't work, Vectra is effective!

Tried the purple box, didn't work, Vectra is effective!


Rated 5 out of 5 stars
By Mary on Sep 10, 2025

Excellent product

After frontline plus stopped working on my cats, I tried this one, and it does excellent. Highly recommend

After frontline plus stopped working on my cats, I tried this one, and it does excellent. Highly recommend