10 Best oral flea medication for dogs in Canada

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Last Updated - 2026/04/04

Best Choice

01
K9 Advantix

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

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
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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.)-4 doses

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
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

15% 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

15% 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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9.2

Excellent

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07
BRAVECTO

BRAVECTO Chew for Dogs, Flea & Tick, 1 Chew, 12 Week Supply, 9.9-22 lbs., Orange Box
Main highlights

Up to 12 weeks* of flea & tick protection with just 1 chew!
Tasty pork flavored chew
Fast-acting, safe and easy treatment
BRAVECTO Chews last nearly 3X longer than other monthly chews
Available in five sizes based on your dog's weight
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9.0

Excellent

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08
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
8.8

Very Good

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09
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
8.6

Very Good

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10
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
8.3

Good

Show more