Updated: 04 Apr 2026

9 Best dog flea tick and heartworm treatment chewables of 2026

Explore up to 56% Off

Updated: 04 Apr 2026

#1

Best Choice

NexGard Spectra For Extra Large Dogs (30.1-60 kg) 6 pack - Flea, Tick, Mite, Heartworm & Intestinal Worm Protection Chews for Dogs

9.8

Nexgard

-38%

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Main highlights

Treats and controls ticks on dogs, including paralysis ticks, offering tick control for a full month.

The most complete protection against fleas, ticks, mites, heartworm and worms, all in one tasty chew.

Highly effective flea treatment for dogs, providing excellent flea control throughout the month. Some flea tablets can be difficult to administer, but NexGard Spectra is a soft, tasty beef-flavoured chew that dogs love.

-38%
#2

Best Value

Simparica Trio Flea, Tick and Worming Chews for Dogs 20.1-40 kg, Green (Pack of 6)

9.7

Simparica Trio

-38%

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Main highlights

Treats and controls hookworms and roundworms

Tasty liver flavoured chew that dogs will love

Controls flea and tick infestations

-38%
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#3

NexGard Spectra For Medium Dogs (7.6-15 kg) 6 pack - Flea, Tick, Mite, Heartworm & Intestinal Worm Protection Chews for Dogs

9.6

Nexgard

-41%

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Main highlights

Treats and controls ticks on dogs, including paralysis ticks, offering tick control for a full month.

The most complete protection against fleas, ticks, mites, heartworm and worms, all in one tasty chew.

Highly effective flea treatment for dogs, providing excellent flea control throughout the month. Some flea tablets can be difficult to administer, but NexGard Spectra is a soft, tasty beef-flavoured chew that dogs love.

-41%
#4

Credelio Plus Dog Flea and Tick Treatment, Single Pack, Ticks, Fleas, Mites, Heartworm & Worms Parasite Protection, in The Smallest Monthly Chewable Tablet for Dogs > 11-22 kg, 1 Pack

9.5

Credelio

-22%

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Main highlights

Parasite protection - Once a month protection from ticks, including deadly paralysis ticks, fleas, demodex mites, heartworm disease and intestinal worms

Fast-acting - Credelio PLUS dog flea and tick treatment is absorbed rapidly and starts to kill fleas within two hours of administering

Convenient - The smallest 4 in 1 protection in an easy to give, tasty, meat flavoured chew makes protecting your dog from parasites simple for all involved

-22%
#5

Credelio Plus Dog Flea and Tick Treatment, Single Pack, Ticks, Fleas, Mites, Heartworm & Worms Parasite Protection, in The Smallest Monthly Chewable Tablet for Dogs > 11-22 kg, 1 Pack

9.4

Credelio

-30%

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Main highlights

Parasite protection - Once a month protection from ticks, including deadly paralysis ticks, fleas, demodex mites, heartworm disease and intestinal worms

Fast-acting - Credelio PLUS dog flea and tick treatment is absorbed rapidly and starts to kill fleas within two hours of administering

Convenient - The smallest 4 in 1 protection in an easy to give, tasty, meat flavoured chew makes protecting your dog from parasites simple for all involved

-30%
#6

NEOVET FOR DOGS (10 - 25KG) 6 PACK

9.2

Neovet

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Main highlights

Protects against most major intestinal worms

Multi-parasite prevention treatment

Eradicates fleas, flea larvae, sarcoptic mange and mites
#7

Advocate Dog, Monthly Spot-On Protection from Fleas, Heartworm and Worms, Six Pack Flea Treatment for Medium Dogs 4-10 kg, 6 Pack

9.1

Advocate

-51%

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Main highlights

Parasite protection - Advocate Dog offers comprehensive protection against fleas, heartworm disease, intestinal worms, oesophageal worm, mites, and lice

Fast-acting - This flea treatment for dogs kills fleas fast and on contact, so there's no need for fleas to bite, and it reduces the incidence of flea allergy dermatitis

Easy to apply - Advocate is a once monthly, easy to apply, water-resistant spot on treatment for dogs, making it simple to protect your dog each month

-51%
#8

Advocate Dog, Monthly Spot-On Protection from Fleas, Heartworm and Worms, Six Pack Flea Treatment for Medium Dogs 4-10 kg, 6 Pack

9.0

Advocate

-56%

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Main highlights

Parasite protection - Advocate Dog offers comprehensive protection against fleas, heartworm disease, intestinal worms, oesophageal worm, mites, and lice

Fast-acting - This flea treatment for dogs kills fleas fast and on contact, so there's no need for fleas to bite, and it reduces the incidence of flea allergy dermatitis

Easy to apply - Advocate is a once monthly, easy to apply, water-resistant spot on treatment for dogs, making it simple to protect your dog each month

-56%
#9

Nexgard Spectra Chewables for Dogs 15.1-30 kg (Pack of 3)

8.8

Nexgard

-33%

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Main highlights

Treats and controls roundworm, hookworm and whipworm

Tasty monthly chew that dogs love

Prevents flea tapeworm infestations

-33%