10 Best otc flea treatment for dogs in Canada

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Last Updated - 2026/07/01

Best Choice

01
K9 Advantix

K9 Advantix II Flea and Tick Treatment for Extra Large Dogs weighing over 25 kg (over 55 lbs.)-6 doses

9.5 Simple to use

8.7 worth the money

8.0 Taste
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 a long protection.
Do not use it on Cats
Breaks the flea life cycle to treat and control flea infestations in the home
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9.7

Exceptional

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02
K9 Advantix

K9 Advantix II Flea and Tick Treatment for Large Dogs weighing 11 kg to 25 kg (24 lbs. to 55 lbs.)-4 doses

9.9 Taste

9.7 Simple to use

9.5 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
Show more
9.6

Exceptional

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03
ParaPet

Parapet K9 Praventa 360 for Extra Large Dogs - 3 Tubes

8.2 Simple to use

8.0 Taste

8.0 worth the money
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
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9.5

Excellent

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Value for Money

04
K9 Advantix

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

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
Show more
9.3

Excellent

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05
Hartz

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

Reduces biting by mosquitoes for up to 30 days
Includes 3 monthly treatments in easy to apply, single dose tubes
For use on dogs and puppies 12 weeks or older that weigh 6kg to 14kg
Fast-acting topical drop formula kills fleas and ticks
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9.0

Excellent

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06
K9 Advantix

K9 Advantix II Flea and Tick Treatment for Extra Large Dogs weighing over 25 kg (over 55 lbs.)-4 doses

10% Off

8.9 Simple to use

8.0 Taste

8.0 worth the money
Main highlights

Safe for dogs and puppies 8 weeks and older
NOTE: Packaging may vary
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
Show more
8.8

Very Good

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07
K9 Advantix

K9 Advantix II Flea and Tick Treatment for Medium Dogs weighing 4.6 kg to 11 kg (10 lbs. to 24 lbs.)-4 doses

9.7 Simple to use

8.7 worth the money

8.0 Taste
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
Show more
8.5

Good

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08
Capstar

Capstar Oral Flea Treatment for Large Dogs Weighing 11 to 57 kg - 6 Pack

14% Off

9.5 Simple to use

8.4 Aroma

8.0 worth the money
Main highlights

Tackle flea infestations fast - Capstar works from the inside out
Safe for dogs and puppies 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 weighing 11-57 kg
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8.4

Good

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09
K9 Advantix

K9 Advantix II - Flea/Tick Prevention - Vet Recommended - Medium Dog - 2-Pk

8.9 Simple to use

8.0 worth the money

8.0 Aroma
Main highlights

Year-Round Tick Prevention: Dogs in Canada need protection whenever temperatures exceed 4°C. Protect your pet from ticks and the harmful diseases they spread like Lyme disease.
Trusted Efficacy: Controls fleas, ticks and lice on dogs within 24 hours of treatment and will continue to protect your dog from further infestations for up to 4 weeks.
Safe, Vet-Recommended Care: Get trusted flea & tick medication delivered right to your door without a prescription. This 2-pack provides a 2-month supply for Medium Dogs between 4.6 kg to 11 kg (10 lbs. to 24 lbs.)
Kills Through Contact: K9 Advantix II works on the surface of the skin. Unlike oral medication, fleas, ticks, and mosquitoes do not have to bite your dog to die. Also reduces biting by mosquitoes and stable flies.
Easy Application: Fragrance-free, topical spot-on drops are simple to apply, offering a stress-free, monthly routine for reliable flea & tick control.
Do Not Use on Cats Safe for dogs and puppies 8 weeks and older
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8.1

Good

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10
ParaPet

Parapet K9 Praventa 360 for Extra Large Dogs, 1 Tube
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 1 tube (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
Show more
8.0

Good

Show more