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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.
Help keep your pal pest-free with the Capstar Flea Tablets for Dogs. Each tablet contains an active ingredient called Nitenpyram that’s effective in eliminating fleas in dogs and puppies. The fast-acting formula starts working within 30 minutes and has been proven to be more than 90% effective in eliminating adult fleas within just hours. That means less itchiness and discomfort for your pooch, much faster—and without the mess and odors of a topical solution. Just give the tablet as directed, and let the formula do its work. A single dose should do it, but it’s also safe to keep giving daily if your pal gets infested again, until all the fleas are gone.
Kills or Treats
Repels or Prevents
Flea Eggs, Flea Larvae, Fleas
Extra Small Breeds, Small Breeds
Always read, understand and follow label and use directions.
A single dose of Capstar Tablets should kill the adult fleas on your pet. If your pet gets re-infested with fleas, you can safely give another dose as often as once per day. Please refer to the package insert for complete information.
Where is this product sourced from?
We source all our products from manufacturer approved distributors or directly from the manufacturers. Chewy takes pride in ensuring that our furry friends’ wellbeing is always our top priority. We have worked hard to partner with all of the manufactures to deliver 100% authentic products
What is Capstar?
Capstar (nitenpyram) is a fast-acting flea treatment for dogs and cats that kills adult fleas before they can start an infestation. Capstar is an oral treatment that is convenient to deliver.
How long does it take for Capstar to begin working?
Capstar starts killing fleas within 30 minutes to give your pet quick relief. One oral tablet kills over 90% of fleas within 4 hours for dogs and 6 hours for cats.
How often can I administer Capstar to my pet?
A single dose of Capstar should kill the adult fleas on your pet. If your pet gets re-infested with fleas, you can safely give another dose as often as once a day.
What is the best way to administer Capstar?
Capstar is available as an oral flea tablet. Place the pill directly in your pet's mouth or hide it in food. If you hide it 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.
Do I need a prescription to purchase Capstar?
No, Capstar is available online and at retail outlets without a prescription.
What type of parasites does Capstar kill?
Capstar kills adult fleas. Its active ingredient, nitenpyram, starts killing fleas in just 30 minutes.
How does Capstar work to treat flea infestations?
Female fleas can lay up to 50 eggs a day.1 If left untreated, a flea infestation can take months to eradicate. Capstar kills adult fleas before they can lay eggs. Capstar can be given as often as once daily, if needed, to treat a flea infestation as existing flea larvae emerge into adult fleas.
Can I use the same product on my dog and cat?
Capstar is now available in three packages: Capstar for Large Dogs, Capstar for Small Dogs and Capstar for Cats. You may administer Capstar for Small Dogs (11.4 mg) or Capstar for Cats (11.4 mg) to dogs, puppies, cats and kittens 4 weeks of age or older and between 2 and 25 pounds of body weight. Capstar tablets should be administered according to the dosing schedule on the label. Weigh your pet prior to administration to ensure proper dosing. Do not give Capstar for Large Dogs (57.0 mg) to cats, or dogs with less than 25 pounds of body weight.
Can I combine Capstar with another flea treatment?
If you are currently administering a monthly flea infestation preventive and your pet still gets fleas, you may administer Capstar treatments daily, as needed, for quick relief against a flea infestation. Capstar may also be used with flea shampoos, as well as heartworm preventives, antibiotics, vaccines and de-worming medications.
Can Capstar act as a preventive flea treatment?
Capstar can be used daily, as needed, for fast-acting relief from an existing flea infestation. A monthly flea infestation preventive is recommended for long-term treatment and prevention of flea infestations.
What is the shelf life for Capstar tablets?
Capstar tablet expiry is listed on the packaging. Always check the expiration date before giving Capstar to your pet.
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!
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
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.