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Best flea killer for dogs - Holiday Sale 2025

Last Updated - December 14, 2025

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Capstar

Capstar (Nitenpyram) Fast-Acting Oral Flea Treatment for Dogs 2-25 Lbs, Vet-Recommended Medication Tablets, Flea Tablets for Dogs Start Killing in 30 Minutes, 6 Doses

Capstar

$42.97

More Details
Main highlights
- Treat Reinfestations Fast: If your pet gets reinfested with fleas, simply give another dose of this flea treatment for dogs 2 to 25 lbs as often as once a day
- Tackle Flea Infestations Fast: With one dose of CAPSTAR flea medicine for dogs, you can watch the dead fleas fall off your pet
- No Prescription Needed: Fast, effective dog flea treatment that's available over the counter
- Intended Use: CAPSTAR for small dogs (57 mg) is safe for dogs and puppies 4 weeks and older that weigh 2-25 pounds
- Fast-Acting Dog Flea Medicine: CAPSTAR (nitenpyram for dogs) starts killing adult fleas in just 30 minutes
$42.97
2

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Capstar

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

Capstar

$42.97

More Details
Main highlights
- Treat Reinfestations Fast: If your pet gets reinfested with fleas, simply give another dose of this dog flea treatment as often as once a day
- Tackle Flea Infestations Fast: With one dose of CAPSTAR flea treatment, you can watch the dead fleas fall off your pet
- No Prescription Needed: Fast, effective flea treatment at home with nitenpyram for dogs that's available over the counter
- Intended Use: CAPSTAR Oral flea tablets for dogs (57 mg) is safe for puppies 4 weeks and older that weigh 25.1-125 pounds
- Fast-Acting Flea Treatment: CAPSTAR (nitenpyram) oral flea medicine for dogs starts killing adult fleas in just 30 minutes
$42.97
3

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Veterinary Formula

Veterinary Formula Flea and Tick Spray for Dogs, 8 oz – Easy-to-Use Dog Flea Spray, Kills on Contact, Prevents Egg & Larval Development for 14 weeks

Veterinary Formula

$9.12

More Details
Main highlights
- WORKS FAST – Give your pet relief from symptoms including droppings/flea dirt in dog’s coat, allergic dermatitis, excessive scratching, licking or biting at skin, hair loss, tapeworms and pale gums. Follow directions on bottle for best results
- LASTING PROTECTION – Designed for dogs, this spray also treats surfaces like bedding and crates to eliminate fleas and ticks. It provides up to 14 weeks of protection and can be reapplied as needed, but not more than once every two weeks.
- KILLS FLEAS AND TICKS ON CONTACT – Veterinary Formula 8 oz. Flea and Tick Spray for Dogs eliminates fleas and ticks at all stages: egg, larval, and adult. Treatment also prevents future egg and larvae development
- EFFECTIVE AND AFFORDABLE – This effective flea spray for dogs manages to kill pests without harming your pet. It is formulated with a unique blend using the natural pesticide pyrethrins, permethrin and Nylar without using color additives or fragrances
- A BRAND YOU CAN TRUST – Veterinary Formula Clinical Care premium medicated products are created with veterinary-grade ingredients, available at an affordable price. We know dogs and cats are more than just pets because we are pet parents too
$9.12
4
Best Value
11% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Frontline
11% Off

FRONTLINE Plus Flea and Tick Treatment for Large Dogs Up to 45 to 88 lbs. 3 Treatments

Frontline

$39.98

$44.99
(11% Off)

More Details
Main highlights
- Trusted by pet owners for over 20 years, FRONTLINE Plus for Dogs can be used on puppies as young as eight weeks old, weighing 5 pounds or more, and is easy to apply with one monthly dose providing protection from fleas & ticks for a full 30 days
- Treat all dogs or cats in your household monthly to effectively control fleas and ticks and prevent the establishment of new flea infestations
- Subscribe & save today to make it easier to keep your dogs or cats protected year-round and make sure you never run out of FRONTLINE Plus
- Subscribe & save today to make it easier to keep your dogs or cats protected year-round and make sure you never run out of FRONTLINE Plus
- Keep your dog protected from fleas & ticks all month long with FRONTLINE Plus for Dogs a fast-acting, waterproof flea & tick topical that's proven to kill fleas, flea eggs, flea larvae, chewing lice, and ticks that can transmit Lyme disease
- FRONTLINE Plus also comes in a formula designed for cats and kittens eight weeks of age and older, 1.5lbs. and over, so you can protect the dogs or cats in your house from fleas and ticks with FRONTLINE Brand Products
- Break the flea life cycle with FRONTLINE Plus, specially formulated with fipronil and (S)-methoprene to kill existing adult fleas, flea eggs and flea larvae to guard against further infestations for flea control
$39.98
$44.99 (11% Off)
5

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

PetArmor

PetArmor CAPACTION (nitenpyram) Oral Flea Treatment for Dogs, Fast Acting Tablets Start Killing Fleas in 30 Minutes, Dogs Over 25 lbs, 6 Doses (Pack of 1) (Packaging May Vary)

PetArmor

$31.42

More Details
Main highlights
- Treat Re-Infestations Fast: If your pet gets re-invested with fleas, simply apply another dose as often as once a day; CapAction flea medicine for dogs is even safe for use on pregnant or breeding dogs
- Safe to Use: This oral dog flea medicine is safe for puppies, dogs, cats, and kittens from 25 lbs and over, four weeks and older, when used as directed
- Help Pet Owners Kill Fleas Efficiently: CapAction dog flea medication has 6 doses and kills adult fleas that may cause allergy dermatitis
- Fast-Acting Flea Pills for Dogs: One oral flea tablet starts killing fleas within 30 minutes of administration
- Easy to Use: Without the mess and rubbing off of a flea and tick topical treatment and without the need of a veterinarian prescription, these flea tablets for dogs are administered orally to kill adult fleas fast
$31.42

Best flea killer for dogs - Holiday Sale 2025

Capstar (Nitenpyram) Fast-Acting Oral Flea Treatment for Dogs 2-25 Lbs, Vet-Recommended Medication Tablets, Flea Tablets for Dogs Start Killing in 30 Minutes, 6 Doses

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

Veterinary Formula Flea and Tick Spray for Dogs, 8 oz – Easy-to-Use Dog Flea Spray, Kills on Contact, Prevents Egg & Larval Development for 14 weeks

FRONTLINE Plus Flea and Tick Treatment for Large Dogs Up to 45 to 88 lbs. 3 Treatments

PetArmor CAPACTION (nitenpyram) Oral Flea Treatment for Dogs, Fast Acting Tablets Start Killing Fleas in 30 Minutes, Dogs Over 25 lbs, 6 Doses (Pack of 1) (Packaging May Vary)

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