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Cost of Heartworm Treatment for Dogs in Fort Worth

Short answer

Heartworm treatment for dogs in Fort Worth typically costs between $800 and $1,200 for the full protocol, but the total can vary from $600 to over $1,500 depending on the dog's size, severity, and clinic. Mellina Animal Hospital offers treatment and can provide a tailored estimate after an exam.

Last updated Sep 26, 2026 · Published by Mellina Animal Hospital · Citation License 1.0

Average Heartworm Treatment Cost in Fort Worth, TX

When your dog tests positive for heartworms, the cost of treatment in Fort Worth typically ranges from $800 to $1,200 for the full protocol. This includes the initial exam, blood work, injections, and follow-up testing. However, the total can be as low as $600 for a small dog with a mild infection, or exceed $1,500 for a large dog with advanced heartworm disease.

At Mellina Animal Hospital, we provide heartworm treatment and will give you a detailed estimate after examining your dog. We accept walk-ins, but appointments are preferred so we can reserve time for the procedure. Call us at (817) 332-8179 to discuss your dog's specific needs.

FactorWhy It MattersTypical Range (General)
Dog's weightLarger dogs require higher doses of medication, increasing cost.Varies; larger dogs cost more.
Stage of infectionAdvanced cases need more diagnostics and hospitalization.Higher for advanced stages.
Clinic feesExam, blood work, and radiology fees differ by clinic.$50–$250 for initial work-up.
Treatment protocolStandard protocol (3 injections) vs. alternative protocols.$600–$1,500+ total.
Follow-up testsAntigen tests 6 months post-treatment to confirm cure.$50–$150 per test.

These ranges are general and can vary. For an exact quote, contact Mellina Animal Hospital—we're happy to break down the costs for you.

Factors That Affect Heartworm Treatment Cost in Fort Worth

Several variables influence the final price of heartworm treatment. Understanding them helps you plan and compare options.

FactorHow It Affects CostWhat to Consider
Dog's sizeMedication doses are weight-based.Small dogs (under 25 lbs) cost less; large breeds cost more.
Severity of infectionMild vs. severe cases require different care.Severe cases may need hospitalization and additional drugs.
Diagnostic testsBlood work, X-rays, and ultrasound.More tests = higher upfront cost.
Clinic locationUrban clinics may charge more.Compare prices in Fort Worth and nearby areas like Arlington or Haltom City.
Follow-up careRe-testing after treatment.Budget for a 6-month antigen test.

At Mellina Animal Hospital, we offer transparent pricing and will walk you through every charge before starting treatment. We recommend comparing estimates, but remember that the cheapest option isn't always the best for your dog's health.

Mellina Animal Hospital, 2928 W 6th St, Fort Worth, TX 76107

Low-Cost Heartworm Treatment Options in Fort Worth, TX

If cost is a concern, there are affordable avenues in Fort Worth. TCAP (Texas Coalition for Animal Protection) offers low-cost heartworm treatment at their Fort Worth location. Fort Worth Animal Care & Control may also provide subsidized services for qualifying residents. Additionally, some clinics offer payment plans or accept third-party financing like CareCredit.

A good fit if…

  • You have a tight budget and qualify for low-income assistance.
  • Your dog has a mild infection that can be treated with a standard protocol.
  • You're willing to travel to a clinic that offers reduced rates.

Consider another option if…

  • Your dog has severe heartworm disease requiring intensive care.
  • You prefer a full-service clinic with comprehensive diagnostics and follow-up.
  • You need immediate treatment and can't wait for an appointment elsewhere.

How to decide: Call TCAP or Fort Worth Animal Care & Control for current pricing and eligibility. Or, contact Mellina Animal Hospital—we can discuss your options and help you find a solution that works for your family.

Heartworm Treatment Process and Timeline for Dogs in Fort Worth

Treating heartworm disease is a multi-step process that typically spans 3–4 months. Here's what to expect:

  1. Confirm the diagnosis – Blood tests (antigen and microfilaria) confirm infection and assess severity.
  2. Stabilize your dog – If your dog has symptoms, we may prescribe antibiotics and anti-inflammatories before the adulticide injections.
  3. Administer the adulticide – A series of injections (usually 2–3) kills adult heartworms. This is the most expensive step.
  4. Strict rest – For 6–8 weeks after injections, your dog must be crated and leash-walked only to prevent complications.
  5. Follow-up testing – About 6 months later, a blood test confirms the infection is gone.
  6. Preventive care – After recovery, monthly preventives keep your dog safe.

Throughout the process, Mellina Animal Hospital is here to guide you. We offer heartworm treatment and can answer any questions about the timeline or costs.

Pet Insurance vs. Out-of-Pocket for Heartworm Treatment in Fort Worth

Heartworm treatment can be expensive, and whether pet insurance is worth it depends on your dog's health, your budget, and how you prefer to handle unexpected costs. Here's a side-by-side look at the main options.

OptionHow It WorksProsConsBest For
Pet insurance (with coverage for heartworm treatment)You pay premiums monthly; the insurer reimburses a portion of covered vet bills after you meet a deductible.Can cover a large portion of treatment costs; helps with other illnesses and injuries too.Premiums add up; pre-existing conditions (like an active heartworm infection) are usually excluded; waiting periods apply.Owners who want financial protection for future health issues and can afford monthly premiums.
Pet insurance (without heartworm coverage)Some policies exclude heartworm disease or have limited coverage for it.May still cover accidents and other illnesses; premiums may be lower.You'll pay most or all of heartworm treatment out-of-pocket.Owners who prioritize accident coverage and are prepared for heartworm costs separately.
Out-of-pocketYou pay the full treatment cost at the time of service.No premiums or deductibles; you control when and where treatment happens.Can be a significant financial hit; may delay treatment if funds are tight.Owners with savings set aside for pet emergencies.
Payment plans or third-party financingYou pay in installments, sometimes with interest, through a clinic or a financing service.Spreads the cost over time; can get treatment started sooner.Interest may apply; requires credit approval for some options.Owners who need to manage cash flow but want to start treatment immediately.

If you're comparing insurance plans, check the policy's waiting period and whether heartworm disease is considered a pre-existing condition. For more on how insurance handles pre-existing conditions, see our guide on pre-existing conditions.

If you already have a heartworm-positive dog, insurance likely won't cover the current infection, so out-of-pocket or financing may be your only route. For help with payment plans, see our heartworm payment plan options.

For details on services and visits, see the main page about veterinarian fort worth.

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Frequently asked questions

Can I pay for heartworm treatment in installments in Fort Worth?

Yes, many Fort Worth clinics, including Mellina Animal Hospital, offer payment plans or accept third-party financing like CareCredit. Ask about installment options when you call for an estimate.

Are there any free heartworm treatment programs in Fort Worth?

Free programs are rare, but low-cost options exist through TCAP and Fort Worth Animal Care & Control. These may have income requirements and limited availability, so call ahead to check.

How much does heartworm treatment cost for a small dog in Fort Worth?

For a small dog (under 25 lbs), treatment typically ranges from $600 to $900. The exact cost depends on the severity of the infection and the clinic's pricing.

Does pet insurance cover heartworm treatment?

Most pet insurance plans exclude pre-existing conditions, so if your dog is already diagnosed, treatment won't be covered. However, some plans offer wellness add-ons that cover preventive heartworm medication.

Also asked as

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