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5 Best Flea Drops of 2025

Last Updated - 2025/09/16

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.

K9 Advantix

K9 Advantix II Flea and Tick Treatment for Extra Large Dogs weighing over 25 kg (over 55 lbs.)-2 doses

K9 Advantix

CA$61.51

More Details
Main highlights
- Safe for dogs and puppies 8 weeks and older
- Kills ticks, fleas through contact – no biting required. Kills lice and mosquitoes too!
- Easy-to-apply topical treatment can be used monthly for year-round protection
- DO NOT USE K9 Advantix II ON CATS
- Breaks the flea life cycle to treat and control flea infestations in the home
CA$61.51
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.

K9 Advantix

K9 Advantix II Flea and Tick Treatment for Medium Dogs weighing 4.6 kg to 11 kg (10 lbs. to 24 lbs.)-2 doses

K9 Advantix

CA$52.91

CA$55.97
(5% Off)

More Details
Main highlights
- Safe for dogs and puppies 8 weeks and older
- Kills ticks, fleas through contact – no biting required, Kills lice and mosquitos too
- Easy-to-apply topical treatment can be used monthly for year-round protection
- DO NOT USE K9 Advantix II ON CATS
- Breaks the flea life cycle to treat and control flea infestations in the home
CA$52.91
CA$55.97 (5% Off)
3
11% Off

✖
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.

Advantage
11% Off

Advantage II Flea Protection for Large Cats weighing over 4 kg (over 9 lbs.) - 2 doses

Advantage

CA$39.95

CA$44.97
(11% Off)

More Details
Main highlights
CA$39.95
CA$44.97 (11% Off)
4

✖
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.

Zodiac

Zodiac Infestop for Cats Over 4KG

Zodiac

CA$26.99

More Details
Main highlights
- Provides flea infestation protection for at least 4 weeks
- May reduce flea allergy dermatitis. The successive feeding activity of fleas on pets may elicit a hypersensitivity skin disorder known as flea allergy dermatitis (FAD). Infestop Topical Solution rapidly kills fleas and may reduce the incidence of this condition (FAD).
- Kills fleas rapidly
- Controls fleas within 1 day of treatment
CA$26.99
5
Best Value
48% Off

✖
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.

ParaPet
48% Off

Parapet K9 Praventa 360 for Extra Large Dogs - 3 Tubes

ParaPet

CA$31.00

CA$59.99
(48% Off)

More Details
Main highlights
- Safe and Effective Protection: Against adult fleas, flea larvae, flea eggs and ticks
- Once-a-month topical flea and tick treatment - One application lasts 30 days
- For use only on dogs and puppies weighing over 25 kg and over 12 weeks of age - Contains 3 tubes (4.8 ml). DO NOT USE ON CATS
- Contains Imidacloprid, Permethrin and Pyriproxyfen: the same active ingredients found in the leading veterinary brand
- Breaks the flea and tick lifecycle and prevents further infestation
CA$31.00
CA$59.99 (48% Off)

5 Best Flea Drops of 2025

K9 Advantix II Flea and Tick Treatment for Extra Large Dogs weighing over 25 kg (over 55 lbs.)-2 doses

K9 Advantix II Flea and Tick Treatment for Medium Dogs weighing 4.6 kg to 11 kg (10 lbs. to 24 lbs.)-2 doses

Advantage II Flea Protection for Large Cats weighing over 4 kg (over 9 lbs.) - 2 doses

Zodiac Infestop for Cats Over 4KG

Parapet K9 Praventa 360 for Extra Large Dogs - 3 Tubes

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Zodiac Infestop for Cats 4KG and Under

Capstar Oral Flea Treatment for Small Dogs and Cats weighing 1 to 11 kg - 6 pack

Advantage II Flea Treatment for Kittens weighing less than 2.3 kg (less than 5 lbs.) - 2 doses

Advantage II Flea Treatment for Small Dogs weighing less than 4.5 kg (less than 10 lbs.)-2 doses

Advantage II Flea Treatment for Large Dogs weighing 11 kg to 25 kg (24 lbs. to 55 lbs.)-2 doses

UltraGuard Pro Topical Flea & Tick Prevention for Dogs and Puppies - Over 28 kg, 3 Monthly Treatments

Hartz UltraGuard Flea & Tick Treatments for Dogs and Puppies - 6-14kg, 3 Monthly Treatments

Hartz UltraGuard Flea & Tick Treatment for Dogs and Puppies - 2.5-6kg, 3 Monthly Treatments

UltraGuard Pro Topical Flea & Tick Prevention for Dogs and Puppies - 6-14, 3 Monthly Treatments

Advantage II Flea Treatment for Medium Dogs weighing 4.6 kg to 11 kg (10 lbs. to 24 lbs.)-2 doses

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