CritterHeartworm Treatment Cost for Dogs & Cats (2026)
Heartworm Treatment typically costs $500–$3,000 in the US and A$600–A$3,000 in Australia. It is a routine procedure; the exact price turns on dog body weight (drug dose is the single biggest factor); disease severity/class; melarsomine (Immiticide) injection series plus doxycycline and strict exercise restriction; staging chest x-ray/echo and diagnostics add on.
Typical price range
| Region | Typical range | What drives the price |
|---|---|---|
| United States | $500–$3,000 | dog body weight (drug dose is the single biggest factor); disease severity/class; melarsomine (Immiticide) injection series plus doxycycline and strict exercise restriction; staging chest x-ray/echo and diagnostics add on |
| Australia | A$600–A$3,000 | From AU clinic + insurer claim data |
What drives the price
dog body weight (drug dose is the single biggest factor); disease severity/class; melarsomine (Immiticide) injection series plus doxycycline and strict exercise restriction; staging chest x-ray/echo and diagnostics add on. Prices vary widely by clinic, region and the animal’s size and condition, which is why we show a range rather than a single figure.
Is it covered by insurance?
Accident-and-illness pet insurance commonly covers unexpected procedures like this (routine and pre-existing items are usually excluded). See how premiums compare on pet insurance cost by state. We state costs only, not advice on whether to insure.
Frequently asked questions
How much does heartworm treatment cost?
In the US, $500–$3,000; in Australia, A$600–A$3,000. The range reflects clinic, region and the animal’s size.
Why is there such a wide range?
Veterinary pricing is not standardised. The same procedure can differ substantially between a low-cost clinic and a specialty hospital, so a cited band is more honest than a single number.
Related procedures
- Dental Cleaning (Scale & Polish) cost
- Annual Exam & Vaccinations cost
- X-ray & Bloodwork Panel cost
- Microchip cost
Sources & method
- How much does heartworm treatment cost?, BetterPet (2025), collected 2026-07-20.
- Overview of Cost of Heartworm Treatment, PetMD (2025), collected 2026-07-20.
- Heartworm in Dogs & Cats (2022 claims data), PetSure (Australia) (2022), collected 2026-07-20.
Every figure is assembled from these sources by the model on our methodology page. No number is copied from a competitor.
Figures assembled July 20, 2026. Baselines: AVMA 2025 · NAPHIA 2024 · AMA 2025. These are assembled estimates, not measured costs. See how we build them.