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Description
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The Simparica TRIO Flea, Tick & Worm Chews for Dogs 40.1–60 kg are specially formulated to provide fast-acting, monthly protection against fleas, ticks, worms and heartworm for extra large dogs. Between the warm climate, our love for the outdoors and your dog’s innate ability to find the muddiest, smelliest spot to roll around in - effective, year-round parasite protection is a non-negotiable in Australia.
Simparica TRIO is a monthly chew that provides vet grade protection against the opportunistic, blood-thirsty freeloaders that prey upon our furry friends. TRIO delivers APVMA-approved, all-in-one protection against a whole gamut of these nasty, hitchhiking parasites like (deep breath) fleas, paralysis ticks, deadly heartworm, roundworm, hookworm, mites, mange and even mosquitoes.
It’s developed by the world’s leading animal health company, lasts up to 35 days and has a tasty liver flavour so you get peace of mind, a little leeway and they get their treatment disguised as a treat. Simparica TRIO. Vet grade protection for dogs, trusted by dog people across Australia and the world.
Features and benefits:
- The only triple attack on heartworm: Prevents infection, kills juvenile heartworm and eliminates the mosquitoes that transmit it.
- Fast-acting: Kills fleas within 4–8 hours and ticks within 24 hours.
- No gaps, ever: Monthly protection that lasts up to 35 days for fleas & ticks.
- Full worm cover: Treats and controls heartworm, roundworm and hookworm in one chew.
- Handles the extras too: Treats ear mites, demodex mites, sarcoptic mange and flea allergy dermatitis.
- Easy to give: Tasty, liver-flavoured chew that goes down a treat, with or without food.
- Safe for sensitive breeds: Well tolerated in Collies and other avermectin-sensitive dogs.
- Vet-grade: From Zoetis, trusted in animal health for 70+ years.
| Life stage | Adult dogs |
| Breed size | Extra Large dogs (40.1–60 kg) |
| Health needs | Flea, Tick, Intestinal Worm & Heartworm Control |
| Flavour | Liver |
| Product category | Parasite Prevention |
| Feeding guide | Monthly administration |
| Pack colour | Red |
Need Simparica Trio Extra Large Breed 40.1-60kg Flea, Tick & Worm Dog Chews today? You can pick up your order in just 15 minutes from your local Petstock store with Click & Collect or get it delivered today with same-day delivery when you order before 4 pm in metro areas from select stores. Want to make reordering easier? Set up flexible Repeat Delivery and never run out of your pet's essentials again.
Directions of Use
1. Choose the right dose. Select the Simparica TRIO pack that matches your dog's body weight - refer to the weight guide if unsure.
2. Give monthly, with or without food. Most dogs take it like a treat. For fussier dogs, pair the chew with a preferred treat or place directly into their mouth.
3. Repeat every month, year-round for continuous protection. Start at any time of year — there's no need to wait for tick season.
4. Missed a dose? Give as soon as you remember and continue their regular monthly schedule.
Suitability & Care
- Suitable for dogs and puppies aged 8 weeks or older, weighing at least 1.25 kg
- Approved for use in dogs only — not suitable for cats, other pets, or humans
- Not evaluated for use in pregnant, lactating, or breeding dogs — check with your vet if applicable
- No special handling required; wash hands after use, as with any medication
- Store below 30°C, away from direct sunlight and out of reach of children and animals; keep in original packaging until use
- Safe for heartworm-positive dogs, and well tolerated in avermectin-sensitive breeds including Collies
- Compatible with a wide range of common medications — but if your dog is on other treatments, it’s best to discuss with your vet before starting.
Warnings & Precautions
For the treatment and control of fleas (Ctenocephalides spp.), paralysis ticks (Ixodes holocyclus), brown dog ticks (Rhipicephalus sanguineus), bush ticks (Haemaphysalis longicornis), roundworm (Toxocara canis, Toxascaris leonina), hookworm (Ancylostoma caninum, Ancylostoma braziliense, Ancylostoma ceylanicum, Uncinaria stenocephala) and heartworm (Dirofilaria immitis) in dogs and puppies from 8 weeks of age. Also for the treatment and control of ear mites (Otodectes cynotis), demodex mites (Demodex canis), sarcoptic mange (Sarcoptes scabiei), mosquitoes (Aedes aegypti) and prevents infestation with flea tapeworm (Dipylidium caninum).
Simparica TRIO has a strong safety record and is recommended by vets across Australia. Side effects are uncommon, but as with any medication, it's worth knowing what to watch for. The most commonly reported side effects are vomiting, diarrhoea and lethargy. Less commonly, reduced appetite, increased thirst, and restlessness have been observed. In very rare cases, seizures have been reported. If you notice anything unusual after giving Simparica TRIO, contact your vet.
Always read the label and follow directions for use.
