Heartworm Treatment Cost in Massachusetts (2026)
Vet costs in Massachusetts are 30% above national avg, so heartworm treatment prices run higher here too. Exact costs depend on your pet's size, age, and which clinic you use. The breakdown below shows what Massachusetts clinics charge for heartworm treatment in 2026, how each line item compares nationally, and practical ways to save. Low-cost clinics and humane societies can cut some of these prices by half or more.
Vet Cost by City in Massachusetts
| City | Wellness Exam |
|---|---|
| Boston | $88 |
| Cambridge | $92 |
| Worcester | $80 |
| Springfield | $76 |
| Lowell | $78 |
Heartworm Treatment Cost in Massachusetts — FAQ
How much does heartworm treatment cost for a dog in Massachusetts?
Heartworm treatment in Massachusetts averages $1,950 in 2026 — 30% above the national average. The standard melarsomine protocol (3 injections over 2 months plus pre-treatment bloodwork, X-rays, and strict exercise restriction) typically runs $1,000–$2,500 total. Annual heartworm prevention costs $160 and is far less expensive.
Is there a cheaper heartworm treatment option in Massachusetts?
The 'slow kill' method (monthly ivermectin without melarsomine) is cheaper but takes 1–2 years, doesn't kill adult worms directly, and is no longer recommended by the American Heartworm Society due to resistance concerns. The standard melarsomine protocol at $1,950 in Massachusetts is the only AHS-approved treatment. Humane societies and veterinary schools sometimes offer discounted treatment.
What happens if heartworms are left untreated in Massachusetts?
Untreated heartworm disease is fatal. Adult worms grow up to 12 inches long inside the heart and pulmonary arteries, causing progressive heart and lung damage. Dogs with heavy worm burdens develop congestive heart failure within 1–3 years. In Massachusetts, heartworm prevention costs $160/year — about 8% of what treatment costs. Prevention is the clear choice.
Other Vet Procedure Costs in Massachusetts
Heartworm Treatment Cost in Other States
See full vet cost breakdown for Massachusetts: