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💥 Flea-free in a flash—because your cat deserves instant relief!
Capstar (nitenpyram) is a fast-acting oral flea treatment for cats 2-25 lbs that starts killing adult fleas within 30 minutes. Safe for kittens 4 weeks and older, this vet-recommended medication offers flexible daily dosing and easy administration, making it the go-to solution for immediate flea relief and a clean slate for ongoing flea control.







| ASIN | B09MWN33QX |
| ASIN | B09MWN33QX |
| Active Ingredients | Nitenpyram |
| Age Range Description | All Life Stages |
| Allergen Information | Allergen-Free |
| Best Sellers Rank | #653 in Pet Supplies ( See Top 100 in Pet Supplies ) #1 in Cat Flea Pills |
| Brand Name | Capstar |
| Customer Reviews | 4.4 4.4 out of 5 stars (40,597) |
| Date First Available | December 2, 2021 |
| Global Trade Identification Number | 00073091031376 |
| Included Components | Tablets |
| Item Form | Tablets |
| Item Type Name | Capstar Fast-Acting Oral Flea Treatment for Cats |
| Item Weight | 11.4 Milligrams |
| Item model number | 3137 |
| Manufacturer | Sergeants - Pet Specialty Division |
| Manufacturer | Sergeants - Pet Specialty Division |
| Manufacturer Part Number | 3137 |
| Model Number | 3137 |
| Scent Name | No |
| Target Species | Cat |
| UPC | 073091031376 |
| Unit Count | 12 Count |
| Warranty Description | Contact the manufacturer. |
H**N
Instant Relief for Flea Infestations – A Must-Have for Pet Owners!
We recently tried the CAPSTAR (nitenpyram) Oral Flea Treatment for our pets, and it has been a game-changer in dealing with flea infestations. As a pet owner with multiple animals, flea treatments are essential, and this product provides fast, effective relief for our furry friends. Fast-Acting and Highly Effective What stands out about CAPSTAR is how quickly it works. After just a single dose, we saw immediate results. Within 30 minutes, fleas were dropping off our pets, and within a couple of hours, the infestation was significantly reduced. It’s perfect for those times when your pets need instant relief, especially if you’re dealing with an active flea problem. Safe and Easy to Administer This treatment is incredibly easy to give to our pets. The pills are small and can be given either directly or mixed with food. Both of our pets had no problem taking it, and it didn’t cause them any distress. The oral formula is safe and gentle, so we didn’t have to worry about harsh side effects. Works Quickly Between Other Treatments While this treatment doesn’t provide long-term flea prevention, it is an excellent quick-fix for an immediate infestation. It works well when paired with a monthly flea preventive to ensure your pets stay flea-free in the long run. It’s perfect for situations when you need fast relief before starting a longer-term flea prevention routine. Great Value for the Price For the results it delivers, the CAPSTAR Flea Treatment is a great value. It’s affordable and effective, especially for pet owners who are dealing with sudden flea issues. One dose is enough to take care of the problem, making it a practical option for those who need quick action. Final Verdict: A Must-Have for Fast Flea Relief If you’re looking for immediate, fast-acting flea relief for your pets, CAPSTAR Oral Flea Treatment is the product to choose. It’s effective, easy to administer, and works quickly to eliminate fleas, providing much-needed comfort for your pets. ✔ Pros: Fast-acting, easy to administer, effective, safe for pets ✘ Cons: Doesn’t provide long-term prevention (but works well with other treatments) Would I buy it again? Yes, especially for quick flea relief!
T**N
Only flea med that works instantly on my furry guys
Love this stuff. Works for my cats (including my long hair fluffy girl). Had a pretty bad flea infestation a year ago and I tried everything and it was taking a while to get rid of them. Gave this pills to my cat and the fleas died off within two days. I became so traumatized from that infestation that I now give it to my cats once a month to prevent any infestation and it works great. I sometimes spot the dead fleas on the floor. It’s perfect, small in size and I have no issues sticking it into their mouth. I usually do a funny dance and then stuff it into their mouth real quick, they never see it coming hahaha.
N**Y
No live fleas on day 1!!!!!
LIFE SAVER!!! My two cats got fleas right before I had to leave for the weakened. I’ve never dealt with fleas and didn't realize how quickly things would go from “bad” to “calling an emergency vet”. THANKFULLY the receptionist at the veterinary hospital told me that typically fleas are not an emergency and that unless my cats are licking their skin raw and bleeding, that I should just stick to flea medication, baths and home treatment. I overnighted this medication along with Wondercide flea and tick spray. Within the hour, I saw very few live fleas on their body and dead fleas all over the surfaces I sprayed. It has now been about 10 hours and there are ZERO live fleas in sight !!!! All the fleas I comb out are good and dead!!! Do your cats a favor and get this combo!
V**R
Works great, but not worth the cost
To start, I see reviews saying that this killed their pets, and since mine experienced NO issues this can only lead me to believe that this product contains something a small percentage of cats are lethally allergic to. I would still recommend this product, as there is no accounting for severe allergies. I would however STRONGLY recommend that any time you are giving your pet a new medicine, you make sure you know exactly where the nearest pet hospital is and you are prepared to devote the next 45-60 minutes supervising your pet. I accomplished this by dosing my pets and immediately placing them into their carriers, this also provided a great chance to go over them with a flea comb. I also advise checking on them every hour afterwards for a while, just to be sure. I gave this to both cats and neither had any issues, even my cat who tends to give herself scabs scratching didn't experience any side effects, I was concerned she would scratch herself bloody. My only real complaint is that I wish the dose lasted LONGER, or that the price was LOWER. At the moment my two cats and I are staying with relatives who have outdoor cats, whereas I keep mine indoors solely, and I knew I needed to do something to help my cats be more comfortable as fleas hop from the outdoor pets to mine. I WOULD be willing to give them this as an every day medicine if it was more affordable because I did see a noticeable decrease in fleas, and consequently a decrease in scratching, but two days later the fleas were returning and I had to deal out another dose. Now, assuming this is the general rate at which fleas return, even with the use of flea collars and topical flea treatment, and I dose both of my cats at the same time I paid $22 for 6 days of flea freedom. Two days per pill with two cats. It's a STEEP price. I will say in its defense it is the only thing I've tried where when I came back to my cat 12 hours later and checked the high traffic zones (behind the ears, on the eyebrows, under the chin) I did not see ANY fleas. So it works extremely well, just for far too short a time. If these were sold, say in weekly packs, instead of just six, and the price was lowered to around... $15 a pack, or $60 a month I would consider it a sound purchase. It really works far better than the $48 monthly treatment I've been using.
A**K
Good product for the money to protect cats from fleas
I use this for the feral cats in the neighborhood - works very well but you definitely need to get more than one dose in for it to work effectively. I notice they scratched themselves less and there were no other side effects. It is a bit pricier if you have to buy it continously but it works
Trustpilot
2 weeks ago
1 month ago