Best Sellers

5 Items

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NexGard Spectra Dog Very Small 2-3.5kg Orange
As low as $32.95
4 options available
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NexGard Spectra Dog Small 3.6-7.5kg Yellow Front
As low as $34.95
4 options available
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NexGard Spectra Dog Medium 7.6-15kg Green Front
As low as $38.95
4 options available
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NexGard Spectra Dog Large 15.1-30kg Purple Updated
As low as $41.95
4 options available
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NexGard Spectra Dog Extra Large 30.1-60kg Red Front
As low as $43.95
4 options available
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5 Items

Our Best Sellers collection brings together the most trusted parasite preventatives for dogs and cats—vet-approved, long-lasting, and available with no prescription required. These top-rated brands keep your pets protected from fleas, ticks, worms, and heartworm all year round.

Dog Favorites

Cat Favorites

  • Bravecto Plus for Cats: Long-lasting protection against fleas, ticks, intestinal worms, and heartworm. 3-month topical solution.
  • Revolution Plus for Cats: 6-in-1 protection from fleas, ticks, heartworm, ear mites, and intestinal worms. 1-month topical solution.
  • NexGard Spectra for Cats: Broad-spectrum parasite protection for fleas, ticks, heartworm, and intestinal worms. 1-month topical treatment.

Why Pet Parents Choose CanadaVet

  • No RX Required: All products ship directly from Australia, where these trusted preventatives are available over the counter.
  • Genuine, Vet-Approved Brands: Manufacturer-sealed and sourced from authorized suppliers.
  • Fast Delivery & Great Value: Enjoy low prices, free shipping on orders over $125, and exclusive promotions year-round.

Protect your pets with the brands other pet owners trust most—genuine, affordable, and prescription-free from CanadaVet.

Join the CanadaVet pack

Get $5 off your first order

Sign up and save $5 on your first purchase over $100. You will also get early access to sales, new arrivals, and simple pet care tips for happier, healthier pets.

Offer valid on first order over $100. Discount code will be sent by email.