Year-Round Protection

Anywhere You Go,
Protection Follows.

Uninterrupted adventures, unwavering protection. Simparica Trio keeps your dog safe from heartworms, fleas, ticks, roundworm, and hookworms, so you can explore worry free.

Shop Simparica Trio

Choose My Dog's Protection

Vet Trusted

Recommended by vets
across Australia.

Parasite Protection

Blocks the bad guys before
they cause harm.

Pet Approved

Tasty chews that dogs
actually love.

Why Choose Simparica TRIO®?

As the world’s number 1 selling all-in-one for dogs, it offers unbeatable 5-in-1 protection against fleas, ticks, and deadly parasites like heartworm.

One tasty monthly chew keeps your furry friend happy, healthy, and adventure ready because your dog deserves the best care, all year round.

Complete Protection

Heartworm prevention

Fast-Acting Formula

Kills fleas before they lay eggs

Tick Defense

Protection from 5 tick species

Intestinal Security

Controls roundworms and hookworms

Frequently Asked Questions

What does Simparica Trio protect? ›

Simparica Trio protects dogs against fleas, ticks, heartworm, roundworms and hookworms in one monthly chew.

Is Simparica Trio safe for all dogs? ›

Simparica Trio is suitable for dogs and puppies from 8 weeks of age and weighing at least 1.25kg. Always follow the product label and speak with your vet if your dog has specific health concerns.

How do I know which pack to choose for my dog? ›

Choose the pack based on your dog’s current weight. Each Simparica Trio pack is colour-coded by weight range, so check your dog’s weight before ordering.

Does my dog need Simparica Trio in winter? ›

Yes, year-round protection is recommended because parasites can still be active in cooler months and heartworm prevention needs consistent monthly coverage.

How often should I give my dog Simparica Trio? ›

Simparica Trio is given once a month. Give it on the same date each month to help maintain continuous protection.

What if my dog spits it out or doesn’t eat it? ›

Try offering it again with food or a treat. If your dog still won’t eat it, speak with your vet for advice before changing treatments.

Can I switch from another treatment to Simparica Trio? ›

In many cases, yes. Check the timing of your dog’s current parasite treatment and speak with your vet if you’re unsure when to start.

*Simparica Trio is a monthly chew that protects your dog against fleas, ticks, intestinal worms, and deadly heartworm. All in one simple chew.

Anywhere You Go,
Protection Follows.

Choose My Dog's Protection

Simparica TRIO® for
Extra Large Dogs

Simparica TRIO® for
Large Dogs

Simparica TRIO® for
Medium Dogs

Simparica TRIO® for
Small Dogs

Simparica TRIO® for
Extra Small Dogs