10 Best flea drops in Canada

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Last Updated - 2026/02/04

Best Choice

01
Advantage

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

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9.3 Simple to use

8.0 worth the money

8.0 Aroma
Main highlights

Safe for cats and kittens 8 weeks and older
Kills fleas through contact – no biting required; Also treats lice
Easy-to-apply topical treatment can be used monthly for year-round protection
Contains four, monthly applications of the flea protection for cats weighing over 4 kg and for pet rabbits 4 months and older weighing over 4 kg
Breaks the flea life cycle to treat and control flea infestations in the home
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9.8

Exceptional

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02
K9 Advantix

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

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9.7 Simple to use

8.4 worth the money

8.2 Aroma
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
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9.6

Exceptional

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Value for Money

03
Advantage

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

Free Shipping

9.3 Simple to use

8.0 worth the money

8.0 Aroma
Main highlights

Safe for cats and kittens 8 weeks and older
Kills fleas through contact – no biting required
Easy-to-apply topical treatment can be used monthly for year-round protection
Contains two, monthly applications of the flea protection for cats weighing over 4 kg and for pet rabbits 4 months and older weighing over 4 kg
Breaks the flea life cycle to treat and control flea infestations in the home
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9.5

Excellent

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04
Zodiac

Zodiac Infestop for Cats 4KG and Under

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8.7 Simple to use

8.0 worth the money
Main highlights

Trusted/Proven Vet Technology.
Rapid action against fleas within one day of application.
May reduce flea allery dermatitis. The successive feeding activity of fleas on pets may elicit a hypersensitivity skin disorder known as flea allergy dermatitis (FAD). Infestop rapidly takes action against fleas and may reduce the incidence of this condition (FAD).
Continued action for up to 4 weeks.
Available without a visit to the vet.
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9.4

Excellent

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05
Advantage

Advantage II Flea Treatment for Small Cats weighing between 2.3 kg to 4 kg (5 lbs. to 9 lbs.)-2 doses

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9.3 Simple to use

8.0 worth the money

8.0 Aroma
Main highlights

Safe for cats and kittens 8 weeks and older
Kills fleas through contact – no biting required, Also treats lice
Easy-to-apply topical treatment can be used monthly for year-round protection
Contains two, monthly applications of the flea protection for cats weighing 2.3 kg to 4 kg, Can also be used for pet rabbits 4 months and older weighing between 1.5 and 4 kg and for pet ferrets 10 weeks and older weighing between 0.4 and 4 kg
Breaks the flea life cycle to treat and control flea infestations in the home
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9.1

Excellent

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06
Advantage

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

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9.9 worth the money

9.9 Simple to use
Main highlights

Safe for cats and kittens 8 weeks and older
Kills fleas through contact – no biting required, Also treats lice
Easy-to-apply topical treatment can be used monthly for year-round protection
Contains two, monthly applications of the flea protection for cats weighing < 2.3kg
Breaks the flea life cycle to treat and control flea infestations in the home
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8.9

Very Good

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07
Capstar

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

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8.4 Simple to use

8.0 worth the money

8.0 Aroma
Main highlights

Tackle flea infestations fast - Capstar works from the inside out
Safe for dogs, cats, puppies and kittens 4 weeks and older
One oral tablet starts killing fleas within 30 minutes of administration
Once-daily tablets can be administered until flea infestation is resolved
Contains six fast-acting tablets for dogs and cats weighing 1 - 11 kg
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8.8

Very Good

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08
K9 Advantix

K9 Advantix II Flea and Tick Treatment for Large Dogs weighing 11 kg to 25 kg (24 lbs. to 55 lbs.)-2 doses

Free Shipping

8.9 Simple to use

8.0 worth the money
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
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8.7

Very Good

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09
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

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8.9 Simple to use

8.0 worth the money

8.0 Aroma
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
Show more
8.5

Good

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10
Advantage

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

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8.0 Simple to use

8.0 worth the money
Main highlights

Safe for dogs and puppies 7 weeks and older
Kills fleas through contact – no biting required, Also treats lice
Easy-to-apply topical treatment can be used monthly for year-round protection
Contains two, monthly applications of flea protection for dogs weighing < 4.5 kg
Breaks the flea life cycle to treat and control flea infestations in the home
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8.4

Good

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