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Best flea pills - April 2026

Last Updated - April 4, 2026

1
Best Choice

✖
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

✖
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

✖
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
4
Best Value

✖
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

$29.85

$31.42
(5% Off)

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
$29.85
$31.42 (5% Off)
5

✖
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 in 30 Minutes, Small Dog Flea Treatment 2-25 lbs, 6 Doses

PetArmor

$31.42

More Details
Main highlights
- Quick & Easy Dog Flea Medicine: This flea and tick pill kills fleas fast and begins working within 30 minutes
- Powerful Ingredients: CAPACTION flea tablets for dogs contain the same active ingredients as CAPSTAR (nitenpyram)
- Intended Use: These CAPACTION oral flea tablets are intended for use as flea pills for dogs 2 to 25 lbs
- Easy-to-Use Oral Flea Medicine for Dogs: CAPACTION flea pill for dogs come in a convenient oral tablet; no prescription needed
- Dog Flea Treatment Pills with Proven Results: CAPACTION flea pills for dogs achieve greater than 90% effectiveness against adult fleas on dogs within 4 hours
$31.42

Best flea pills - April 2026

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

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 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 CAPACTION (nitenpyram) Oral Flea Treatment for Dogs, Fast Acting Tablets Start Killing in 30 Minutes, Small Dog Flea Treatment 2-25 lbs, 6 Doses

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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

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