Capstar Flea Oral Treatment for Dogs, 2-25 lbs

By Capstar
Rated 3.9463 out of 5 stars
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$36.99Chewy Price
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About This Item

  • Active ingredient Nitenpyram starts working within 30 minutes and kills adult fleas within 4 hours for dogs.
  • Safe for puppies four weeks and older and weighing at least 2 pounds; also safe for pregnant or nursing pets.
  • A single dose should eliminate current infestation, but may be given up to once per day if your pal gets fleas again.
  • Easy to give tablet with no messes or odors.
  • Unused tablets can be safely stored to keep their potency.
Play Video: Learn More About Capstar From Our Team of Experts
Learn More About Capstar From Our Team of Experts

This product has recently undergone a packaging change. Customers may now purchase Capstar for Cats—it's the same great results with a brand new look!



About Capstar Oral Flea Treatment

Start Killing Fleas in Just 30 Minutes

When you have a flea infestation, you need to act fast! Capstar starts killing fleas within 30 minutes and is available without a prescription, so you don't have to wait. One tablet kills 90% of adult fleas in 4 hours for dogs and 6 hours for cats, offering quick relief for your pet.

Easy Oral Delivery

Capstar oral tablets go to work quickly to protect your pet from the inside out and start killing fleas in just 30 minutes! To give Capstar tablets, place the pill directly in your pet's mouth or hide it in food. If you hide the pill in food, watch closely to make sure your pet swallows the pill. If you are not sure that your pet swallowed the pill, it is safe to give a second pill.

Treat Every Cat & Dog in your Home

Capstar is available in two dose strengths for dogs and one dose strength for cats. Capstar is for dogs and cats 2 pounds or greater and 4 weeks of age and older. Each box of Capstar contains 6 fast-acting tablets, so you can treat all the pets in the household. Fleas can reproduce on untreated pets and allow infestations to persist. Stop your pet's flea infestation dead in its tracks with Capstar.

Quick Relief with One Dose

Treatment of flea infestations in dogs and cats

Easy Oral Delivery

Recommended by veterinarians

No prescription needed

About Capstar

Capstar is a fast-acting, oral flea treatment for dogs and cats that kills adult fleas before they can start an infestation. One tablet kills over 90% of fleas within 4 hours for dogs and 6 hours for cats. Unlike topical treatments, Capstar works from the inside out-- there's no mess, no chance of rubbing off and no need to isolate your pet. Treat the pets in your home with the flea killer that starts working in just 30 minutes. Always read, understand and follow label and use directions.
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Questions & Answers

35 Customer Questions


Can this be used on a dog with Epilepsy?

What is lufenuron
Answer by ChewyApr 24, 2018
Lufenuron is the active ingredient in the veterinary flea control medication. It inhibits the development of insects, so it will kill immature stages of the flea.

I recently treated my dogs and cats with a topical flea treatment. Is this still safe to use
Answer by ChewyNov 14, 2017
This product is safe to use in combination with your monthly topical flea and tick medication.

What is the active ingredient and how much
Answer by ChewyAug 26, 2017
There are 11.4 milligrams of nitenpyram in each tablet.


ReviewsWrite a Review

3.9
Rated 3.9463 out of 5 stars
931 Reviews
83%
Would recommend to a friend
1
17.8303
18%
2
4.4039
4%
3
5.1557
5%
4
10.5263
11%
5
62.0838
62%

931 Customer Reviews



Rated 5 out of 5 stars
By RGpets29 on Sep 16, 2022

Must use with additional product

For those of you that it doesn't work for, here's some info. Capstar has been around a while and is a great product. In the veterinary field we use it when pets come in and either have a couple of fleas or are infested with fleas. It can be given daily if there is an infestation but you MUST follow up with either a topical treatment or whatever you normally use. If you have an infestation It can take up to 4 months for the life cycle of the flea to completely die off so you MUST continue with monthly flea treatment and vacuum vacuum vacuum. Don't keep your vacuum in the house. Fleas are annoying and take a long time to get rid of. Just a little helpful info for anyone who needs it.


Rated 5 out of 5 stars
By regnig on Sep 21, 2022

If you have animals you need this product!

LOVE this stuff since i was first introduced. . . thanks for making it so easy to get for my pets AND to not worry that it is the correct formula too. . . unlike some other site that starts with an A and ends with a z o n!


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

capstar- can give daily?

Advertised as 1 a month, but instructions say "can give daily" ---I did not realize it would not work well and would have to give daily... I wanted something that would work for a month or more


Rated 5 out of 5 stars
By Artt on Jul 31, 2022

Almost immediate relief

Capstar does exactly what it's supposed to. It's not long-term treatment, it's a quick jolt that kills fleas in a few hours. This isn't a substitute for your normal flea regimen but it's very good to keep on hand for unexpected flare-ups.


Rated 1 out of 5 stars
By Joymomma on Sep 7, 2022

Did nothing for my dogs...

I have 2 small breed dogs and these pills did absolutely nothing for our flea issue... I was hoping they would be a good temporary fix.


Rated 1 out of 5 stars
By Doxie on Aug 26, 2022

Disapointed

This product did not work. I have 2 dachshunds that are suffering severely with fleas this year. I now have to try and find a product that will work.


Rated 1 out of 5 stars
By Cathy on Aug 14, 2022

Capstar did not work for my dogs

I purchased two different boxes since I have two dogs- a Rottweiler and a rat terrier. After bathing each dog, I gave them one dose for six days. They still have fleas.


Rated 1 out of 5 stars
By sharie on Aug 6, 2022

Very Disappointed

Bought these in the small dog and large dog size. I'm very disappointed they only worked for about 5 days. My poor dogs. Definitely looking for a different flea treatment.


Rated 5 out of 5 stars
By Pomluv on Jun 26, 2022

Helped will bad case of fleas this year

My girls rarely get fleas and this year for some reason- not sure how they came into contact but it took a long time to rid them of fleas I had to resort to getting an internal solution. no bad side effects and was pretty much gone. thank you Capstar


Rated 5 out of 5 stars
By johnjaye1 on May 31, 2022

Very Very good

Works as said. If have infestation I highly recommend using this. Revolution was doing nothing after a flea infestation from some wildlife . This was a lifesaver in between treating house and backyard for fleas. Bc it worked so well I decided to try nexstar, this company's flea topical that works for a month. So capstar is good if u have a flea infestation. I used it every 48 hrs for a week. You can however give up to 1 a day if need be. I didn't want to over medicate if not needed and my own personal situation the 48 hrs was ok since this product works between 24 and 48 hrs. Idk if I would have needed this product if I already had the nexstar on dogs . But if you have a product that doesn't work, like I had with Revolution, use the Capstar immediately and get the dog onto the nexstar which is an equally good product! I cannot thank the company enough for making such good products. Total lifesaver. And the dogs have been good on both products with no negative reactions to skin or stomach. I do give with food this product. 3 separate dogs. Types and sizes all responded well to this! This capstar was for a elderly mini poodle.