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Capstar (nitenpyram) for Dogs, Fast-Acting Oral Flea Treatment for Dogs over 25+ lbs, Vet-Recommended Flea Medication Tablets Start Killing Fleas in 30 Minutes, 6 Doses

4.1 4.1 out of 5 stars 44,333 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Dog Flea Pills by Capstar

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6 Count
Over 25 lbs

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About this item

  • Fast-Acting Flea Treatment: Capstar (nitenpyram) starts killing adult fleas in just 30 minutes
  • Tackle Flea Infestations Fast: With one dose of CAPSTAR, you can watch the dead fleas fall off your pet
  • Treat Reinfestations Fast: If your pet gets reinfested with fleas, simply give another dose as often as once a day
  • No Prescription Needed: Fast, effective flea treatment that's available over the counter
  • Intended Use: Capstar Oral Flea Treatment for Large Dogs (57 mg) is safe for dogs and puppies 4 weeks and older that weigh 25.1-125 pounds
  • A Single dose of CAPSTAR (nitenpyram) 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.

Customer ratings by feature

Easy to swallow
4.3 4.3
Easy to use
4.0 4.0
Comfort
3.7 3.7
Value for money
3.0 3.0

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From the brand


From the manufacturer

flea treatment
oral flea tablet
treat and prevent

Q: What is CAPSTAR (nitenpyram)?

A: CAPSTAR (nitenpyram) is a fast-acting, oral flea treatment for dogs and cats that kills adult fleas before they can start

Q: How long does it take for CAPSTAR (nitenpyram) to begin working on my dog?

A: CAPSTAR (nitenpyram) starts to kill fleas within 30 minutes to give your pet quick relief. One oral tablet kills over 90% of fleas within 4 hours for dogs.

Q: Does CAPSTAR (nitenpyram) kill all types of fleas?

A: CAPSTAR (nitenpyram) kills adult fleas before they can lay eggs. Additional treatments of CAPSTAR (nitenpyram) may be required as existing flea larvae emerge into adult fleas.

Q: Can CAPSTAR (nitenpyram) act as a preventive flea treatment?

A: CAPSTAR (nitenpyram) can be used daily, as needed, to help treat and control an existing flea infestation. A monthly flea preventive is recommended for long-term flea prevention.

Q: What is the best way to administer CAPSTAR (nitenpyram)?

A: CAPSTAR (nitenpyram) 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.

Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 0.63 x 5.75 x 4.5 inches; 0.32 ounces
  • Item model number ‏ : ‎ CA4925Y07AMZ1
  • Date First Available ‏ : ‎ July 25, 2014
  • Manufacturer ‏ : ‎ Sergeants - Pet Specialty Division
  • ASIN ‏ : ‎ B07PWB9J43
  • Country of Origin ‏ : ‎ Switzerland
  • Customer Reviews:
    4.1 4.1 out of 5 stars 44,334 ratings

Looking for specific info?

Product Description

Capstar (nitenpyram) is a fast-acting flea treatment tablet for use in dogs and cats that starts killing fleas in only 30 minutes. A single dose of Capstar kills 90% of adult fleas within 4 hours for dogs and 6 hours for cats, ridding your pet of these pesky parasites. Capstar is for dogs, puppies, cats, and kittens 2 pounds of body weight or greater and 4 weeks of age or older.

Key Features
One convenient tablet starts killing fleas within 30 minutes
Treat flea infestations fast for every cat and dog in your home*
Kills adult fleas before they can lay eggs and start an infestation
One tablet kills 90% of fleas in 4 hours for dogs and 6 hours for cats
Safe to administer one tablet per day until flea infestation is resolved
Capstar kills adult fleas that may cause flea allergy dermatitis.

*Capstar is for dogs, puppies, cats and kittens 2 pounds of body weight or greater and 4 weeks of age and older.

Dosing
Capstar is available in 2 dosages:

Cats and dogs from 2 to 25 pounds (11.4 mg)

Dogs from 25.1 - 125 pounds (57 mg)

Administration
To give Capstar tablets, place the oral tablet directly in your pet’s mouth or hide it in food.

Use with Other Medications
If your pet is currently receiving a monthly or longer-lasting flea preventative medication but still becomes infested with fleas, it is safe to administer Capstar to address a flea infestation.

Capstar may also be used together with other products, including heartworm preventatives, corticosteroids, antibiotics, vaccines, deworming medications, and shampoos.

Re-infestations
Capstar kills adult fleas on dogs and cats, offering quick relief for your furry friend. While Capstar works fast to kill adult fleas and alleviate a current infestation, a subsequent preventative solution is recommended to prevent future re-infestations from any existing flea eggs and larvae in the environment. If you notice more fleas have found their way onto your dog or cat in the days following treatment, continue treating your dog or cat with Capstar with up to one dose per day.

Important Safety Information
Capstar is safe to use in puppies and kittens 4 weeks of age and older, and 2 pounds of body weight or greater. Always read, understand, and follow the label and use directions.

Important information

Directions

CAPSTAR Tablets should be administered orally, at a minimum dosage rate of 1.0 mg/kg (0.45 mg/lb) body weight, according to the Recommended Dosage Schedule below. Weigh your pet prior to administration to ensure proper dosage. Do not administer to pets under 2 pounds. CAPSTAR may be used as needed, as often as once per day, whenever you see fleas on your pet.

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Capstar (nitenpyram) for Dogs, Fast-Acting Oral Flea Treatment for Dogs over 25+ lbs, Vet-Recommended Flea Medication Tablets Start Killing Fleas in 30 Minutes, 6 Doses
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Price-7% $37.98
List:$40.99
-11% $39.98
List:$44.99
-10% $17.99
List:$19.99
-10% $17.99
List:$19.99
$22.47-14% $24.98
List:$28.99
Delivery
Get it as soon as Wednesday, Apr 3
Get it as soon as Wednesday, Apr 3
Get it as soon as Wednesday, Apr 3
Get it Apr 3 - 4
Get it as soon as Wednesday, Apr 3
Customer Ratings
Easy to use
4.0
3.3
3.3
4.1
4.5
4.0
Value for money
3.0
1.7
1.7
2.5
3.9
3.0
Flavor
2.9
2.1
2.1
4.4
2.4
Comfort
3.7
2.4
2.4
3.1
Longevity
2.7
4.3
2.8
Sold By
Amazon.com
PETIQ
PETIQ
Pets with Panache
Avid Paws
Amazon.com
target audience
Dog
Dog, Dog, Dog, Dog, Dog
Dog, Dog, Dog, Dog, Dog
Dogs
Dog
Dogs
age range
All Life Stages
All Life Stages
All Life Stages
All Life Stages
All Life Stages
All Life Stages
form
Tablets
Drops
Drops
Drops
Soft Chew
Drops
active ingredients
Nitenpyram
Fipronil, Cyphenothrin, (S)-methoprene
Fipronil, Cyphenothrin, (S)-methoprene
Fipronil, Cyphenothrin, (S)-methoprene
Flax Seed Meal, Coriander, Neem, Vitamin B12, Vitamin B6, Vitamin B1
Methoprene, Fipronil
weight
0.32 ounces
0.05 pounds
0.31 kilograms
0.03 pounds

Customer reviews

4.1 out of 5 stars
4.1 out of 5
44,334 global ratings

Customers say

Customers like the quality, speed and ease of use of the pet supplies. For example, they mention it's a reliable and convenient option for flea treatment. That said, some complain about the value and durability. They say it'll only work for 24 hours and isn't a long-term solution. Opinions are mixed on performance, safety, and effectiveness.

AI-generated from the text of customer reviews

255 customers mention243 positive12 negative

Customers are satisfied with the speed of the pet supplies. They mention that it is fast-acting, effective, and reliable. They also mention that the product starts working in just 30 minutes and is up to its promise of being a fast-action flea treatment.

"...It worked great on my pup. This product is a game changer for quick, effective, and hassle-free flea management." Read more

"...Possibly, its best feature is its fast-acting nature, which starts working in mere minutes. Great buy for sure!" Read more

"...It starts working quickly, and it's safe for dogs and puppies. The best part? No vet prescription needed!..." Read more

"...What I admired the most was how fast-acting this treatment was. It's also very easy to administer...." Read more

254 customers mention183 positive71 negative

Customers like the quality of the pet supplies. They say it is a reliable and convenient option for flea. They also say it provides long-lasting protection for their pet and that the package was durable. Customers also mention that the product is helpful and has no side effects.

"This is a very solid purchase because of numerous reasons. Firstly, no prescription is needed which has made it easy for me to buy...." Read more

"...She's doing great with no side effects. Very impressive as we have tried many other products that didn't work. Very pleased." Read more

"...The product does not kill the larva, so they might return after a few weeks.UPDATE: The fleas returned after 3 days...." Read more

"...order front here, worked great on removing fleas big and small, no side effects, no allergic reactions easy to administer" Read more

169 customers mention152 positive17 negative

Customers find the pet supplies easy to use. They mention it's effective, convenient, and works quickly. Some say the pill is very small and easy to give. Overall, most are satisfied with the product's ease of use.

"...This product is a game changer for quick, effective, and hassle-free flea management." Read more

"...It's also super easy to administer. Possibly, its best feature is its fast-acting nature, which starts working in mere minutes. Great buy for sure!" Read more

"...It's effective, affordable, and super easy to administer. I love that it's safe for dogs and puppies, and I don't even need a vet prescription...." Read more

"...It's convenient and easy to administer to our dogs...." Read more

1,485 customers mention531 positive954 negative

Customers are mixed about the performance of the pet supplies. Some mention that it was generally effective, works on dogs up to 25 lbs, and kills fleas within 30 minutes. However, others say that it didn't work as well as they had hoped, cost too much, and didn' t deliver.

"...minutes the fleas on my dog were still alive, but they were starting to be paralyzed. They were moving slowly and couldn't jump very well...." Read more

"...It worked great on my pup. This product is a game changer for quick, effective, and hassle-free flea management." Read more

"It doesn't work as well as I had hoped dog still had fleas and tried more than one probably would not buy again but other people have had luck with..." Read more

"...In closing, this does not work within 30 minutes as advertised. It was closer to two hours before I saw the fleas crawling off him...." Read more

644 customers mention351 positive293 negative

Customers are mixed about the effectiveness of the pet supplies. Some mention that it has the effect of getting rid of the fleas, while others say that it's more like a temporary fix. It does the job, but it only kills live flea, so you need to re-dose.

"...straightforward - no vet prescription needed and it starts killing fleas in just 30 minutes. It worked great on my pup...." Read more

"...UPDATE: The fleas returned after 3 days. You have to use this product along with a flea bomb to eliminate them...." Read more

"Kills fleas quickly. Make note that this is not a preventative...." Read more

"...I've now given her all 6 pills and baths but the fleas keep coming back...." Read more

129 customers mention80 positive49 negative

Customers are mixed about the safety of the pet supplies. Some mention that it's safe for small dogs and puppies, and works well on killing fleas. However, others say that it repels them off the dogs and onto anything they're touching, and that the risk is too great.

"...I love that it's safe for dogs and puppies, and I don't even need a vet prescription. It's extremely convenient...." Read more

"...The pill should have worked, but it did not. My dogs were absolutely miserable...." Read more

"...It starts working quickly, and it's safe for dogs and puppies. The best part? No vet prescription needed!..." Read more

"...Being safe for puppies and easy to administer, it's hassle-free. And the best part? No vet prescription needed...." Read more

455 customers mention133 positive322 negative

Customers are dissatisfied with the value of the pet supplies. They mention that it's a little pricey for something that just works for a day, and a waste of time and money.

"...being said, the effects could last a bit longer and the pricing could be more affordable. Regardless, it's a good product overall." Read more

"...I wish there were more doses per package and the price could be a bit more affordable...." Read more

"...The fact that it comes with 6 doses is fantastic! It's effective, affordable, and super easy to administer...." Read more

"This really works but it is an expensive temporary solution. I give this to my dog when I see her topical is not working effectively...." Read more

121 customers mention12 positive109 negative

Customers are dissatisfied with the durability of the pet supplies. They mention that it's not long-lasting, it only works when the fleas are present, and the effects don't last very long. They also mention that the product doesn't mention how long it lasts in the package insert.

"...No vet prescription needed! That being said, the effects could last a bit longer and the pricing could be more affordable...." Read more

"Ya it works but after like 3 days they will be back. Not really a permanent solution but good in a pinch until our vet appointment for oral pills" Read more

"...However, I wish the effects were longer lasting and it offered more doses per package. Also, it would be great if the pricing was more affordable...." Read more

"...The only downside is that the effect doesn't last as long as I would like, and I wish there were more doses in a package...." Read more

Works!
5 Stars
Works!
I gave my fur baby the pill after a bath and let her sleep in the kennel. In the morning I woke up to see all of the dead fleas in her kennel!
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Reviewed in the United States on March 19, 2024
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Reviewed in the United States on September 22, 2023
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1.0 out of 5 stars Didn't work at all for Alaskan Malamutes
Reviewed in the United States on September 22, 2023
First, let me point out that CapStar is NOT a preventative! It is supposed to kill adult fleas on the dog but it doesn't prevent them from getting fleas again - not does it kill anything but adult fleas, which means you still need something (monthly topical or oral flea medicine) to kill the eggs and the larvae or those will obviously mature into adults and you and your pet are stuck in the vicious cycle.

That being said, here is my first and only experience with CapStar. We have never had flea issues until this year. I have two Alaskan Malamutes - one 105 pound "short hair" and one 110 pound long hair. Clearly, they both have the Malamute thick double coat. We usually like K9 Advantix II for flea treatment/prevention. Early this summer, I bought the Amazon brand that has the same ingredients. As K9 Advantix Ii. It arrived with no expiration date and I'm not sure if that's the reason that it doesn't seem to work, that it's not the same formula or perhaps the fleas have become resistant... or it's just an especially overwhelming year for fleas. Either way, I thought by trying this first and THEN putting their prevention on within a day or two would work. I gave them each a CapStar pill, nervously watched for adverse reactions and thanked God they didn't seem to have any issues. It also didn't seem to help the flea situation - they continued scratching and biting as before. Because I didn't want to give them back to back, I waited for about 48 hours before giving another CapStar to each of them. Once again, no reaction but the scratching and chewing hasn't subsided at all nine hours later. In fact, I almost feel like both times, they are actually scratching more after the CapStar tablets?? It makes me wonder if it is actually not killing the fleas but just irritating them and making them more active and angry (or at least more hungry LOL). I really needed this to work and was hoping that in conjunction with a topical preventative, we would be able to both kill AND prevent reinfstation with a two prong attack. Sadly, we are just out more money, time and effort.

I should mention that a long side this effort, I treated the bedrooms that have carpet (the rest of the house has hard floors and we have a no-knap, outdoor rug I'm the living room because it can be power washed) Anyway, I sprayed the Vet's Best Flea & Tick Home Spray on the carpet, mattresses and washed bedding & blankets. It's difficult to get every possible location that a flea could be hiding but I was fortunate to be able to see a flea and spray directly on it. The Vet's Best spray killed it in less than 10 seconds. It does say that you can apply it to your dog's coat and rub it in down to their skin. That sounded too unrealistic with their thick coats but because it is natural, smells really nice IMO and obviously works, I think I will still attempt that on most of their cost/body, add Diatomaceous Earth to the floors, dog beds, rugs, etc and THEN try reapplying topical prevention. I just have to decide of I am going to use some of the 8 tubes I have left of the Amazon brand or try something else - might pick up the Frontline Plus that's on sale at Costco tomorrow.
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Reviewed in the United States on February 10, 2024
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Reviewed in the United States on March 11, 2024
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Reviewed in the United States on February 28, 2024
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