Puppy parasite plan 0–6 months
Introduction
The first six months set the tone for a healthy life. Keep it simple: the right schedule, the right weight band, and a home routine you can repeat. Prepared with input from our lead vet and founder, Dr. Feargus McConnell, BVSc.
Core schedule at a glance
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Intestinal worms: every 2 weeks until 12 weeks of age (2, 4, 6, 8, 10, 12 weeks), then monthly to 6 months.
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Heartworm prevention: start as soon as your product’s minimum age and weight allow, then keep it monthly.
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Fleas and ticks: begin when your product label allows for age and weight. Keep doses on time and check your puppy daily in tick areas.
How to choose products for young pups
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Pick a format you can give on time. Chews suit bath and beach routines.
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Match today’s weight band every time. Re-weigh often as puppies grow fast.
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Treat every dog in the home. Unprotected pets keep the cycle going.
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Keep cats away from recently treated dogs if a dog label advises it.
House routine that helps
Vacuum rugs and the car, hot wash bedding, and declutter sleeping spots. Keep this up for the first month after starting flea control so hidden stages clear.
Missed a dose
Give it as soon as you remember, then reset your reminders from that date. If you missed monthly heartworm prevention, ask your vet whether testing is needed before restarting.
Safety you should always check
Dog products for dogs only. Check minimum age, weight band, and directions. Do not stack preventatives unless your vet advises.
Products we trust
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Simparica Trio Chewable Tablet for Dogs — monthly protection that also includes heartworm prevention and common intestinal worms when used as directed.
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NexGard Chewables for Dogs — monthly flea and tick control.
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Bravecto Chew for Dogs — long-acting flea and tick control once your puppy meets the label requirements.
FAQ
When should I start prevention
As soon as your chosen product’s minimum age and weight allow. Your vet can confirm the best start date at the first vaccine visit.
My puppy vomited after a chew
Do not re-dose unless your vet says it is safe. Offer a small meal later and monitor.
Do I still need to clean the house
Yes. A short routine speeds up results in the first few weeks.
Need help matching a product and weight band
Tell us your puppy’s age and current weight and we will help you choose — contact us.
Also in Dr. Feargus’ Australian Pet Health Blog
Pet dental care at home | Easy brushing guide
A simple Australian guide to brushing your dog or cat’s teeth. What you need, step‑by‑step instructions, and when to see your vet.
How often should you treat your dog for fleas in Australia?
A simple schedule for flea prevention in Australian dogs. What to use, how long to treat, and how to stay on time—even if you already have fleas at home.
Travelling tradies with dogs: parasite guide
A road-ready parasite plan for tradies and their dogs. Ute and site hygiene, packing list, dose timing, and trusted product picks.
