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10 Best dog flea drops of 2026

Save up to 21% off
  • Best Choice

    1

    K9 Advantix II XL Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs Over 55 lbs. | 6-Mo Supply
    K9 Advantix

    K9 Advantix II XL Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs Over 55 lbs. | 6-Mo Supply

    • is discontinued by manufacturer:No
    • manufacturer recommended age:1 month and up
    • product dimensions:7.75 x 1 x 4.25 inches; 1.6 ounces
    • asin:B004QRJJ0K
    • date first available:March 20, 2007
    9.8
    Exceptional
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  • Value for Money

    2

    K9 Advantix II XL Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs Over 55 lbs. | 4-Mo Supply
    K9 Advantix

    K9 Advantix II XL Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs Over 55 lbs. | 4-Mo Supply

    • is discontinued by manufacturer:No
    • manufacturer recommended age:N/A
    • product dimensions:7.75 x 1 x 4.25 inches 2.08 ounces
    • asin:B004QREOPU
    • date first available:October 5, 2004
    9.7
    Exceptional

  • 3

    PetArmor Plus Flea and Tick Prevention for Dogs, Small Dog Flea and Tick Treatment, 3 Doses, Waterproof Topical, Fast Acting (5-22 lbs)
    PetArmor

    PetArmor Plus Flea and Tick Prevention for Dogs, Small Dog Flea and Tick Treatment, 3 Doses, Waterproof Topical, Fast Acting (5-22 lbs)

    • is discontinued by manufacturer:No
    • manufacturer recommended age:N/A
    • product dimensions:4 x 0.5 x 2.5 inches 0.32 ounces
    • asin:B00WWP1U7I
    • date first available:September 27, 2017
    9.5
    Excellent

  • 4

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

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

    21% Off
    • is discontinued by manufacturer:No
    • manufacturer recommended age:1 month and up
    • product dimensions:5.75 x 0.75 x 4.5 inches 1.6 ounces
    • asin:B0002J1FOE
    • date first available:September 2, 2004
    9.4
    Excellent

  • 5

    FRONTLINE Plus Flea and Tick Treatment for Small Dogs Upto 5 to 22 lbs. 3 Treatments
    Frontline

    FRONTLINE Plus Flea and Tick Treatment for Small Dogs Upto 5 to 22 lbs. 3 Treatments

    21% Off
    • is discontinued by manufacturer:No
    • manufacturer recommended age:1 month and up
    • product dimensions:5.75 x 0.75 x 4.5 inches; 0.16 ounces
    • asin:B00008DFGY
    • date first available:October 2, 2001
    9.1
    Excellent
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  • 6

    FRONTLINE Plus Flea and Tick Treatment for Medium Dogs Up to 23 to 44 lbs. 3 Treatments
    Frontline

    FRONTLINE Plus Flea and Tick Treatment for Medium Dogs Up to 23 to 44 lbs. 3 Treatments

    16% Off
    • is discontinued by manufacturer:No
    • manufacturer recommended age:N/A
    • product dimensions:5.75 x 0.75 x 4.5 inches 1 ounces
    • asin:B0002J1FN0
    • date first available:October 2, 2001
    9.0
    Excellent

  • 7

    Amazon Basics Preventative Flea and Tick Topical Treatment for Dogs, Large (45-88 lbs), Fast Acting and Long Lasting, 6 Counts, Packaging May Vary
    Amazon Basics

    Amazon Basics Preventative Flea and Tick Topical Treatment for Dogs, Large (45-88 lbs), Fast Acting and Long Lasting, 6 Counts, Packaging May Vary

    • is discontinued by manufacturer:N/A
    • manufacturer recommended age:N/A
    • product dimensions:1.25 x 5.75 x 4.35 inches 1.45 ounces
    • asin:B07P22L3WV
    • date first available:November 13, 2019
    8.9
    Very Good

  • 8

    K9 Advantix II Medium Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs 11-20 lbs. | 2-Mo Supply
    K9 Advantix

    K9 Advantix II Medium Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs 11-20 lbs. | 2-Mo Supply

    • is discontinued by manufacturer:No
    • manufacturer recommended age:N/A
    • product dimensions:1 x 4.38 x 4.75 inches 0.32 ounces
    • asin:B00I2266Y2
    • date first available:January 26, 2014
    8.7
    Very Good

  • 9

    K9 Advantix II Small Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs 4-10 lbs. | 4-Mo Supply
    K9 Advantix

    K9 Advantix II Small Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs 4-10 lbs. | 4-Mo Supply

    • is discontinued by manufacturer:No
    • manufacturer recommended age:N/A
    • product dimensions:7.75 x 1 x 4.25 inches; 0.16 ounces
    • asin:B004QMX4QA
    • date first available:March 4, 2011
    8.6
    Very Good

  • 10

    Amazon Basics Preventative Flea, Tick & Mosquito Topical Treatment for Medium Dogs (11-20 pounds), 6 Count, Packaging May Vary
    Amazon Basics

    Amazon Basics Preventative Flea, Tick & Mosquito Topical Treatment for Medium Dogs (11-20 pounds), 6 Count, Packaging May Vary

    • is discontinued by manufacturer:N/A
    • manufacturer recommended age:N/A
    • product dimensions:1.4 x 4.27 x 6.5 inches 0.86 ounces
    • asin:B0842NW63Q
    • date first available:September 28, 2020
    8.3
    Good

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