• Capstar Nitenpyram Fast Acting Flea Treatment for Large Dogs
  • Capstar Nitenpyram Fast Acting Flea Treatment for Large Dogs
  • Capstar Nitenpyram Fast Acting Flea Treatment for Large Dogs
  • Capstar Nitenpyram Fast Acting Flea Treatment for Large Dogs
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Capstar Nitenpyram Fast Acting Flea Treatment for Large Dogs Over 25 lbs 57mg 6 Tablets

Capstar Nitenpyram Fast Acting Flea Treatment for Large Dogs Over 25 lbs 57mg 6 Tablets

$39.70
$39.70
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30-Day Return Policy

We offer a 30-day return policy from the date of delivery.

To qualify for a return:


  • The item must be unused

  • The item must be in original packaging

  • Proof of purchase is required

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The following items cannot be returned:


  • Opened pet food or treats

  • Personalized products

  • Clearance or final sale items

  • Hygiene-related pet products

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If you receive a damaged or incorrect product:


  1. Contact us within 72 hours of delivery

  2. Provide photos of the product and packaging

  3. We will arrange a replacement or full refund

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  • If the return is due to customer preference, the customer pays return shipping

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Keep your dog protected from uncomfortable flea infestations with fast, effective relief using CAPSTAR Nitenpyram Flea Treatment. Designed for large dogs weighing 25.1–125 lbs, these powerful oral tablets start killing adult fleas within just 30 minutes, helping your pet feel comfortable, active, and itch-free quickly.

Capstar 57mg delivers rapid flea control without the hassle of messy topical treatments. Whether your dog is experiencing a sudden flea outbreak or needs immediate flea protection before travel, grooming, or boarding, Capstar provides a trusted solution that works fast.

Powerful Fast-Acting Flea Relief for Large Dogs

Fleas can cause constant scratching, skin irritation, allergies, and discomfort in dogs. Capstar works from the inside out by using Nitenpyram, a proven active ingredient that targets and kills adult fleas quickly after administration.

Unlike slow-acting treatments, Capstar begins working within 30 minutes and can kill the majority of adult fleas within hours, making it an ideal emergency flea treatment for dogs.

Key Features of Capstar 57mg Tablets

  • Starts killing adult fleas within 30 minutes
  • Fast-acting oral flea treatment for dogs
  • Contains 57mg of Nitenpyram per tablet
  • Designed for dogs weighing 25.1–125 lbs
  • Easy-to-administer oral tablets
  • Safe for puppies and dogs 4 weeks and older
  • No messy topical application
  • Can be used daily if reinfestation occurs
  • Available without a prescription

Why Choose Capstar Flea Treatment for Dogs?

Capstar is trusted by pet owners for its rapid action, convenience, and reliable flea control. It is especially useful when immediate flea removal is needed, helping reduce itching and irritation fast.

Benefits of Capstar for Large Dogs

  • Provides quick relief from flea infestations
  • Helps reduce scratching and skin irritation
  • Easy oral tablet with simple administration
  • Perfect for sudden or severe flea outbreaks
  • Ideal before grooming, travel, or boarding
  • Supports a cleaner and healthier home environment
  • Works well alongside monthly flea prevention products

How Capstar Works

After your dog takes the tablet, Nitenpyram enters the bloodstream quickly. When adult fleas bite your dog, they ingest the ingredient, which attacks their nervous system and kills them rapidly.

Because Capstar works so quickly, pet owners often notice fleas falling off their dogs shortly after treatment begins.

Trusted Flea Protection for Active Dogs

Capstar is a convenient solution for pet owners who need immediate flea treatment without waiting days for results. Its fast-acting oral formula makes it a popular choice for households dealing with active flea infestations or dogs exposed to fleas outdoors.

Whether your dog needs emergency flea relief or quick protection before social activities, Capstar helps keep your pet comfortable and protected.

FAQs

1-How quickly does Capstar start working?

Capstar begins killing adult fleas within 30 minutes after administration.

2-Is Capstar safe for puppies?

Yes, Capstar is safe for puppies and dogs that are at least 4 weeks old and weigh over 25 lbs for the 57mg dosage.

3-Does Capstar kill flea eggs and larvae?

No, Capstar only kills adult fleas. Additional flea prevention products may be needed for complete flea control.

4-Can Capstar be used every day?

Yes, Capstar can be given once daily if your dog becomes reinfested with fleas.

5-Does Capstar require a prescription?

No, Capstar flea treatment is available over the counter without a prescription.

6-What is the active ingredient in Capstar?

Capstar contains Nitenpyram, a fast-acting ingredient that kills adult fleas quickly and effectively.
  • 5 stars: 17 (81%)
  • 4 stars: 4 (19%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
A
Alinaprescott

I keep these tablets as part of my dog's flea-care routine because they are simple and convenient. The treatment was easy to administer, and I didn't have to deal with strong-smelling sprays or residue on his fur.

T
Trevormckenzie

Capstar has been useful when I need a quick option for dealing with adult fleas. I appreciated not having to put a liquid treatment directly on my dog's skin. The six-tablet pack is practical, although I think the value depends on how often you need to use the treatment.

J
Janellebrooks

I bought these after noticing fleas on my Labrador and wanted something fast acting. The biggest advantage for me was the convenience. There was no shampooing or spraying involved, and giving the tablet was straightforward.

D
Derekwhitmore

This product was fairly easy to use and worked well for an active flea problem. My dog is over 25 lbs, so the larger-dog dosage was a good fit. I liked that the tablets did not require any messy application to his coat.

M
Marissacoleman

I was impressed with how quickly this flea treatment worked for my dog. Within a few hours, I noticed a clear difference and he seemed much more comfortable. The tablets were easy to give with a small amount of food, which made the process simple.

J
Jenna

So far, I have had a positive experience with this flea treatment. My dog accepted the tablet easily when it was given with his usual food, and the treatment was much less messy than some topical products I have used before.

J
Jenna

The biggest advantage for me was the speed. My dog was uncomfortable from fleas, so I wanted something that could start working quickly rather than waiting several days. The tablet was simple to administer, and I noticed less scratching later that day.

C
Caleb

I keep these tablets available because flea problems can show up unexpectedly. Giving one to my larger dog was much easier than trying to apply a topical treatment. It worked quickly and helped reduce the number of fleas I was seeing.

M
Marissa

This has been a useful option for dealing with fleas when I needed something fast acting. My dog took the tablet without much trouble, and I noticed a clear difference in his scratching afterward. The packaging is straightforward and the tablets are convenient to store.

E
Ethan

I was surprised by how quickly this flea treatment started working. My dog had been scratching constantly, and within a few hours he seemed much more comfortable. The tablets were easy to give with a small amount of food, which made the process simple.

L
Lily

Highly recommended if your dog suddenly gets fleas. Fast acting, simple to use and very effective at reducing flea activity within the first hour.

C
Connor

Great emergency flea treatment for large dogs. It provides quick relief, but combining it with a longer lasting flea prevention gives the best overall results.

S
Simmons

I've tried several flea treatments and this one delivered the fastest results. My dog seemed much happier and more comfortable after just one tablet.

H
Hannah

Capstar is reliable for immediate flea control. It doesn't kill flea eggs, but it does an excellent job eliminating adult fleas very quickly.

W
Wyatt

Excellent product for sudden flea infestations. Within 30 to 60 minutes, I noticed a huge reduction in live fleas. I would definitely buy it again.

S
Sullivan

The tablets are easy to administer, even for picky dogs when hidden in food. Fast relief makes this product worth keeping on hand for flea emergencies.

E
Ellis

I was impressed with how quickly this medicine worked. My large dog was much more comfortable the same day and the constant scratching finally stopped.

N
Natalie

I was impressed with how quickly this medicine worked. My large dog was much more comfortable the same day and the constant scratching finally stopped.

G
Griffin

Very effective at killing adult fleas quickly. Just remember it only works for about 24 hours, so you'll still need a monthly flea treatment for ongoing protection

C
Caleb

This flea treatment is easy to give and starts working almost immediately. It's perfect when you need fast results before using a long term flea prevention.

D
Dawson

1. ⭐⭐⭐⭐⭐
Capstar worked much faster than I expected. My dog stopped scratching within an hour and I could see dead fleas falling off shortly after. Great product for quick flea relief.