Our rankings are generated through the algorithmic analysis of thousands of customer reviews about products, brands, merchant customer service levels, popularity trends, and more. We use advanced technology, including AI, to help process and organize this information at scale, supporting our analysis with greater speed and consistency. The rankings reflect our opinion and should be a good starting point for shopping.
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10 Best flea treatments of 2026
Save up to 16% off
Best Choice1
PetArmor9.8Exceptional
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)
Limited Time Deal-
asin:B07GMZKLFS
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product dimensions:0.63 x 5.5 x 6 inches; 0.3 ounces
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date first available:August 19, 2018
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item model number:711650130006
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best sellers rank:#2 in Dog Flea Pills
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Value for Money2
Advantage9.6Exceptional
Advantage II Large Cat Vet-Recommended Flea Treatment & Prevention | Cats Over 9 lbs. | 2-Month Supply
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is discontinued by manufacturer:No
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product dimensions:1 x 4.38 x 4.75 inches; 0.64 ounces
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asin:B00N7DEFH6
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date first available:September 1, 2014
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item model number:86336677
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3
Advantage9.4Excellent
Advantage II Large Cat Vet-Recommended Flea Treatment & Prevention | Cats Over 9 lbs. | 4-Month Supply
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4
Capstar9.2Excellent
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
Limited Time Deal-
asin:B07PWB9J43
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product dimensions:0.63 x 5.75 x 4.5 inches 0.32 ounces
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date first available:July 25, 2014
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item model number:CA4925Y07AMZ1
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best sellers rank: 1 in Dog Flea Pills
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5
Hartz9.1Excellent
Hartz UltraGuard Dual Action Flea & Tick Topical Dog Treatment and Flea and Tick Prevention, 6 Months, 5-14 Pound Dogs 6-count(Pack of 1)
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product dimensions:0.58 x 4.88 x 6.69 inches 0.03 ounces
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country of origin:USA
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asin:B08TRRD6ZH
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date first available:March 1, 2021
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item model number:032700120399
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See Today’s Deals & Prices
6
Seresto9.0Excellent
Seresto Flea & Tick Collar For Dogs Over 18 lbs., Treatment & Prevention, Vet-Recommend, 8 Month Protection
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Application Type:Non-greasy, easy-to-use
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Activation Time:Starts working after 24 hours
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Form Factor:Collar
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Maximum Protection Duration:8 months
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Dog Weight Compatibility:Over 18 lbs.
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7
PetArmor8.8Very Good
PetArmor Plus Flea & Tick Topical Dogs 45-88 lbs, 6-Month
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product dimensions:1.33 x 5.74 x 6.75 inches 0.18 ounces
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country of origin:USA
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asin:B01N918D6E
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date first available:November 11, 2016
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item model number:05312
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8
Advantage8.6Very Good
Advantage II Large Cat Vet-Recommended Flea Treatment & Prevention | Cats Over 9 lbs. | 6-Month Supply
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9
PetArmor8.4Good
PetArmor Plus Flea and Tick Prevention for Dogs, Small Dog Flea and Tick Treatment, 3 Doses, Waterproof Topical, Fast Acting (5-22 lbs)
16% Off Limited Time Deal
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10
PetArmor8.2Good
PETARMOR Home Carpet Powder for Fleas and Ticks, Protect Your Home From Fleas and Deodorizes Carpets, 16 Ounce
10% Off-
asin:B0126F5X9O
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product dimensions:7.13 x 3.05 x 3.05 inches; 1.09 Pounds
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date first available:July 11, 2015
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item model number:02840
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best sellers rank:#1 in Dog Flea & Tick Home Control Treatments
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