Capstar for Dogs (2-25 lbs)
Capstar for Dogs is a highly effective, fast-acting flea treatment recommended by vets, particularly suitable for small dogs weighing between 2-25 lbs. It's easy to administer and starts working within 30 minutes. However, it's essential to note that it only targets adult fleas and may require additional treatments for complete flea control. While some users find it a bit pricey, its effectiveness and the absence of reported side effects make it a valuable option for immediate flea relief.
Where to Buy
| Retailer | Price | Last seen | Buy |
|---|---|---|---|
 Amazon Sold by Animal Central | $34.99 | Apr 23, 2025, may have changed | Buy Now |
T Tractor Supply Company | $36.99 | Jul 30, 2022, may have changed | Buy Now |
V Valley Vet Supply | $36.99 | Jul 27, 2022, may have changed | Buy Now |
P Pet Supplies Plus | $39.98 | Apr 23, 2025, may have changed | Buy Now |
 Walmart 90-day returns (in store too) | $39.98 | Apr 23, 2025, may have changed | Buy Now |
Prices are collected from retailer listings; each row shows the date we last saw that price. Return and shipping terms are each store's standard policy from our retailer research (April 2026). Some products and categories have different terms, so check with the store before you buy.
Product Score
Calculated by ShopSavvy from the professional reviews and customer ratings we collected for this product.
Why this score?
Capstar for Dogs receives a high score based on its rapid efficacy in killing adult fleas within 30 minutes and user-friendly tablet format, which many pet owners appreciate. However, reviews indicate that the treatment only lasts for 24 hours and does not prevent reinfestation, leading to mixed customer experiences, particularly among those dealing with chronic flea problems. Overall, it is an effective emergency solution but best used as part of a broader flea control regimen.
Score
Capstar for Dogs receives a high score based on its rapid efficacy in killing adult fleas within 30 minutes and user-friendly tablet format, which many pet owners appreciate. However, reviews indicate that the treatment only lasts for 24 hours and does not prevent reinfestation, leading to mixed customer experiences, particularly among those dealing with chronic flea problems. Overall, it is an effective emergency solution but best used as part of a broader flea control regimen.
Pros
- •Starts killing fleas within 30 minutes.
- •Easy to administer as an oral tablet.
- •Suitable for small dogs weighing 2-25 lbs.
- •Vet-recommended.
- •No reported side effects from users.
- •Effective in killing adult fleas consistently.
- •Useful for immediate relief from flea infestations.
- •Can be used alongside a flea prevention program.
- •Convenient packaging with 6 doses included.
Cons
- •Price could be more affordable according to some users.
- •May require additional treatments for recurring infestations.
- •Only targets adult fleas, not eggs or larvae.
Bottom Line
Capstar for Dogs is a highly effective, fast-acting flea treatment recommended by vets, particularly suitable for small dogs weighing between 2-25 lbs. It's easy to administer and starts working within 30 minutes. However, it's essential to note that it only targets adult fleas and may require additional treatments for complete flea control. While some users find it a bit pricey, its effectiveness and the absence of reported side effects make it a valuable option for immediate flea relief.
What Reviewers Are Saying
Customer Ratings
Based on 46,427 reviews from Amazon
Professional Reviews
Common Questions
Is Capstar effective for all dog sizes and breeds?Published 2 years ago
So, Capstar is basically a quick fix for fleas on dogs. The main ingredient, called nitenpyram, starts working fast—like within 30 minutes—after your pup takes it. But here's the thing: it's really f...
Read full answerHow fast does Capstar start killing fleas on dogs?Published 2 years ago
If you're dealing with fleas on your dog, Capstar (nitenpyram) is known for providing quick relief. It kicks into action within just 30 minutes of giving it to your dog. Sounds pretty fast, right? It...
Read full answerHow long does Capstar's flea-killing effect last?Published 2 years ago
Capstar is a quick-acting oral flea treatment for dogs between 2 to 25 pounds, and it works fast, but here's how long it lasts: From the info we gathered, Capstar is designed to rapidly kill adult fle...
Read full answer📚More About Capstar for Dogs (2-25 lbs)
Discussion
ShopSavvy compares prices across thousands of retailers so you always get the best deal. Prices are collected from retailer listings, and each one shows the date we last saw it. Our expert reviews and community discussion help you make informed buying decisions.