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 dog flea drops of 2026
Save up to 16% off
Best Choice1
K9 Advantix9.8Exceptional
K9 Advantix II XL Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs Over 55 lbs. | 2-Mo Supply
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is discontinued by manufacturer:No
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manufacturer recommended age:1 month and up
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product dimensions:1 x 4.38 x 4.75 inches; 1.13 ounces
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asin:B00I0BWNUG
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date first available:January 23, 2014
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Value for Money2
Hartz9.7Exceptional
Hartz UltraGuard Dual Action Flea & Tick Topical Dogs & Puppies Treatment & Prevention, 6 Months, 15-30 lbs
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is discontinued by manufacturer:N/A
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manufacturer recommended age:N/A
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product dimensions:0.58 x 4.88 x 6.69 inches 0.07 ounces
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asin:B08TRSY2HH
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date first available:March 1, 2021
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3
Amazon Basics9.6Exceptional
Amazon Basics Flea and Tick Topical Treatment and Prevention for Large Dogs (45-88 lbs), Fast Acting and Long Lasting, Tick Prevention, 6 Count, Packaging May Vary
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is discontinued by manufacturer:N/A
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manufacturer recommended age:N/A
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product dimensions:1.25 x 5.75 x 4.35 inches 1.45 ounces
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asin:B07P22L3WV
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date first available:November 13, 2019
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4
PetArmor9.4Excellent
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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5
PetArmor9.2Excellent
PetArmor Plus Flea & Tick Topical Dogs 45-88 lbs, 6-Month
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is discontinued by manufacturer:No
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manufacturer recommended age:N/A
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product dimensions:1.33 x 5.74 x 6.75 inches 0.18 ounces
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asin:B01N918D6E
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date first available:November 11, 2016
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6
TevraPet9.1Excellent
TevraPet Activate II Flea and Tick Prevention for Dogs, Large Dogs 21-55 lbs, Topical Drops, 4 Month Flea and Tick Treatment
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is discontinued by manufacturer:No
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manufacturer recommended age:N/A
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product dimensions:0.88 x 3.94 x 6.63 inches; 1.13 ounces
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asin:B06XK85PKQ
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date first available:March 31, 2017
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7
TevraPet8.9Very Good
TevraPet Activate II Flea and Tick Prevention for Dogs, Extra Large Dogs 55+ lbs, Topical Drops, 4 Month Flea and Tick Treatment
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is discontinued by manufacturer:No
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manufacturer recommended age:N/A
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product dimensions:0.88 x 3.94 x 6.63 inches; 0.65 ounces
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asin:B06XKH9MRK
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date first available:March 31, 2017
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8
Frontline8.6Very Good
FRONTLINE Plus Flea & Tick Spot Treatment for Small Breed Dogs 5-22 lbs. (Orange) Count of 3
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9
K9 Advantix8.5Good
K9 Advantix Flea, Tick & Mosquito Prevention for Dogs 11-20 lbs. | Flea Drops for Medium Dogs | Apply Monthly | 2 Treatments
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is discontinued by manufacturer:N/A
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manufacturer recommended age:N/A
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product dimensions:1 x 3.5 x 6.06 inches 0.8 ounces
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asin:B0CWB58548
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date first available:March 14, 2024
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10
Amazon Basics8.4Good
Amazon Basics Flea and Tick Topical Treatment and Prevention for Large Dogs (45-88 lbs), Fast Acting and Long Lasting, 3 Count, Packaging May Vary
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is discontinued by manufacturer:N/A
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manufacturer recommended age:N/A
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product dimensions:0.75 x 5.75 x 4.38 inches 0.8 ounces
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asin:B07NXTSRCX
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date first available:November 13, 2019
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