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Looking for information or educational tools on heartworm management? Our NEW Heartworm Resource Center makes it easy to get the answers or assets you’re looking for. You may search/filter by one or more of the fields below.



Antigen Test Timing Following Melarsomine Treatment

How long should I wait before re-testing dogs undergoing heartworm treatment? Dr. Tom Nelson explains the timing.

Category: Clinical FAQs
Canine | Diagnosis | Treatment | Veterinary Professionals

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When Heartworm Treatment is Interrupted

When treating dogs for heartworm, what if there's a delay between giving doxycycline and melarsomine? Dr. Chris Duke explains.

Category: Clinical FAQs
Canine | Treatment | Veterinary Professionals

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Managing Dogs Treated with Non-AHS Protocols

When treating dogs for heartworm, what's the difference in efficacy between two and three injections of melarsomine? Dr. Angele Bice breaks it down.

Category: Clinical FAQs
Canine | Treatment | Veterinary Professionals

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Hit the “Reset” Button on your Client Education Program

How should I educate my clients about heartworm prevention this spring? Dr. Chris Duke shares tips.

Category: Clinical FAQs
Canine | Feline | Prevention | Exotics | Other | Veterinary Professionals

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Safe Transport of Heartworm-Positive Dogs

How can I safely transport dogs in the midst of heartworm treatment? Dr. Brian DiGangi shares the AHS/ASV recommendations.

Category: Clinical FAQs
Canine | Diagnosis | Treatment | Shelters | Veterinary Professionals | Transport of Infected Pets

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What’s the Protocol?

Marisa Ames,DVM, DACVIM (cardiology)
Associate Professor
Colorado State University,
College Of Veterinary Medicine

Category: Clinical FAQs
Canine | Treatment | Veterinary Professionals

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Heartworm Disease Causes Lifelong Damage

Can heartworm infection cause permanent damage in dogs? The answer is yes, says Dr. Stephen Jones.

Category: Clinical FAQs
Canine | Prevention | Treatment | Veterinary Professionals

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Heartworm Diagnostics: Antigen Tests Alone Aren’t Enough

How reliable are patient-side heartworm antigen tests? Veterinary parasitologist Dr. Lindsay Starkey explains.

Category: Clinical FAQs
Canine | Diagnosis | Veterinary Professionals

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Making the Case for Heartworm Prevention in Cats

Why is heartworm prevention important for cats? Dr. Elizabeth Clyde gives reasons.

Category: Clinical FAQs
Feline | Prevention | Veterinary Professionals

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The States of Heartworm Incidence

What does the latest AHS survey say about heartworm incidence? Dr. Chris Duke explains.

Category: Clinical FAQs
Canine | Feline | Exotics | Other | Veterinary Professionals | Incidence

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Tackling Tough Conversations

Can I cut corners on the AHS heartworm treatment protocol for dogs? AHS Past President Dr. Chris Rehm says "no."

Category: Clinical FAQs
Canine | Treatment | Veterinary Professionals

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The Wrath and Aftermath of Hurricanes

How can hurricanes lead to increases in heartworm incidence? There's a link, according to veterinary cardiologist Dr. Clarke Atkins.

Category: Clinical FAQs
Canine | Feline | Prevention | Veterinary Professionals | Transport of Infected Pets | Resistance

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The AHS Guidelines: 2018 Updates - Guidance on Prevention, Testing and Treatment

The AHS Guidelines: 2018 Updates - Guidance on Prevention, Testing and Treatment

Category: Clinical FAQs
Canine | Prevention | Diagnosis | Treatment | Veterinary Professionals

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The AHS Protocol vs. “Slow Kill”

Why does the AHS recommend against "slow kill" for heartworm treatment in dogs? Veterinary parasitologist Dr. Andy Moorhead has answers.

Category: Clinical FAQs
Canine | Treatment | Veterinary Professionals

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Why Don’t Clients Give Heartworm Preventives?

Why aren't clients always compliant in giving heartworm preventives? Dr. Stephen Jones shares his thoughts.

Category: Clinical FAQs
Canine | Feline | Prevention | Exotics | Other | Veterinary Professionals

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Is it Negative or Not? The Role of Heat Pretreatment in Heartworm Testing

What is the role of heat pretreatment in heartworm testing? Dr. Brian DiGangi explains when and why it may be needed.

Category: Clinical FAQs
Canine | Diagnosis | Veterinary Professionals

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Is There an Echo in Here?

How can you get veterinary clients to be compliant with heartworm prevention? Dr. Chris Dukes share his tips.

Category: Clinical FAQs
Canine | Feline | Prevention | Exotics | Other | Veterinary Professionals

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Heartworm Prevention Needed Nationwide

Why is heartworm prevention needed nationwide? Veterinary cardiologist Dr. Matt Miller explains.

Category: Clinical FAQs
Canine | Feline | Prevention | Exotics | Other | Veterinary Professionals

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The Mighty Mosquito The Role of Control in Heartworm Prevention

What is multimodal heartworm prevention--and why is mosquito control important? Parasitologist Dr. John McCall explains.

Category: Clinical FAQs
Canine | Feline | Prevention | Exotics | Other | Veterinary Professionals

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The Truth About Testing in Cats

What kind of heartworm testing is recommended for cats? Veterinary cardiologist Dr. Clarke Atkins sorts it out.

Category: Clinical FAQs
Feline | Diagnosis | Veterinary Professionals

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Managing Heartworm Disease in Shelter Animals

MARTHA SMITH-BLACKMORE, DVM

Category: Clinical FAQs
Canine | Feline | Prevention | For Owners | Shelters

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Cases in Point: Why the AHS Guidelines Matter

Why is it important to understand the AHS heartworm management guidelines? Dr. Elizabeth Clyde shares why it's important to her.

Category: Clinical FAQs
Canine | Feline | Prevention | Diagnosis | Exotics | Other | Veterinary Professionals

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Heartworm Compliance: Take a Team Approach

How can enlisting the entire veterinary team improve heartworm education? Practice owner Dr. Chris Rehm shares his experience.

Category: Clinical FAQs
Canine | Feline | Prevention | Diagnosis | Exotics | Other | Veterinary Professionals

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Adulticide Treatment: Minimizing Melarsomine Complications

When treating heartworm-positive dogs with adulticide therapy, how can I minimize melarsomine complications? Dr. Stephen Jones explains.

Category: Clinical FAQs
Canine | Treatment | Veterinary Professionals

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Make Heartworm Preventive Reminders a Priority

How can heartworm prevention reminders help with client compliance? Dr. Tom Nelson explains how reminders have helped in his practice.

Category: Clinical FAQs
Canine | Feline | Prevention | Exotics | Other | Veterinary Professionals

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When warm weather hits, you will want to ramp up your heartworm education efforts. To help make this goal easy--and fun--the AHS has created a new set of posters to print or post on your social pages.

  • To save or print a poster, just click on the image below, then click on the “download” button and save the PDF file.
  • To save a poster for use on your social pages, simply open the downloaded poster, then right click on the file and follow the menu instructions to save the file as a JPEG image.

For more client tools, be sure to visit the Resource Center. And if you don’t already, make sure you’re sharing our Facebook and Instagram posts!