10 Best oral flea treatment for dogs in Canada

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Last Updated - 2026/05/02

Best Choice

01
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
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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.)-2 doses

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
Show more
9.6

Exceptional

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03
Capstar

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

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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9.5

Excellent

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04
Capstar

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

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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9.4

Excellent

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Value for Money

05
Capstar

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

19% 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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9.3

Excellent

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06
Capstar

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

19% 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
Show more
9.2

Excellent

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07
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
9.0

Excellent

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08
ParaPet

Parapet K9 Praventa 360 for Extra Large Dogs - 3 Tubes

44% Off

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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8.9

Very Good

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09
ParaPet

Parapet K9 Praventa 360 for Extra Large Dogs - 3 Tubes

44% Off

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
Show more
8.8

Very Good

Show more
10
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

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
Show more
8.7

Very Good

Show more