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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.



Don’t let heartworm disease break your heart (dog house)

Heartworm disease can be fatal in dogs. Make sure to have your veterinarian prescribe heartworm prevention.

Category: Pet Owner Education Posters
Canine | Prevention | Veterinary Professionals | Pet Owners

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Grounded or Unfounded: Heartworm disease in dogs is difficult to treat.

While hearworm infection can be treated in dogs, the treatment regime can be arduous.

Category: Grounded/Unfounded Series Posters
Canine | Prevention | Treatment | Veterinary Professionals | Pet Owners

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Grounded or Unfounded: It's too dry here for heartworms.

Mosquitoes--and heartworms--can be found in desert climates where practices like irrigation and watering provide places for mosquitoes to breed.

Category: Grounded/Unfounded Series Posters
Canine | Feline | Prevention | Exotics | Other | Veterinary Professionals | Pet Owners | Incidence

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Grounded or Unfounded: Dogs taking heartworm preventives should be tested every year.

Annual testing is an important component of heartworm management in dogs, even if they're on prevention.

Category: Grounded/Unfounded Series Posters
Canine | Prevention | Diagnosis | Veterinary Professionals | Pet Owners

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Grounded or Unfounded: Treating for ticks and fleas does not protect my dog from heartworm infection.

Not every parasite-prevention product prevents heartworm in pets--some only address pests like fleas and ticks. Read the label and make sure your pet is getting the protection he or she needs.

Category: Grounded/Unfounded Series Posters
Canine | Prevention | Veterinary Professionals | Pet Owners

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Grounded or Unfounded: Only dogs and cats get heartworms.

Heartworm don't just infect dogs and cats--from ferrets to foxes, a number of other species get heartworm disease, too.

Category: Grounded/Unfounded Series Posters
Canine | Feline | Prevention | Diagnosis | Exotics | Other | Veterinary Professionals | Pet Owners | Incidence

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Grounded or Unfounded: It's too cold here for heartworms.

Many areas of the country have cold winters--AND heartworms. Year-round prevention provides the best way to keep your pet safe.

Category: Grounded/Unfounded Series Posters
Canine | Feline | Prevention | Exotics | Other | Veterinary Professionals | Pet Owners | Incidence

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Grounded or Unfounded: Indoor pets are safe from heartworm infection.

Mosquitoes come inside--which means "indoor" pets are exposed to heartworms, too.

Category: Grounded/Unfounded Series Posters
Canine | Prevention | Life Cycle | Veterinary Professionals | Pet Owners | Incidence

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Grounded or Unfounded: Heartworms don't live here.

While heartworms are more prevalent in some parts of the country they're diagnosed in all 50 states.

Category: Grounded/Unfounded Series Posters
Canine | Feline | Prevention | Exotics | Other | Veterinary Professionals | Pet Owners

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Grounded or Unfounded: Cats don't get heartworm disease

Cats get heartworm disease, too--and unlike dogs, they have no options for treatment. Year-round prevention is the best approach.

Category: Grounded/Unfounded Series Posters
Feline | Prevention | Veterinary Professionals | Pet Owners

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Grounded or Unfounded: All drugs that prevent parasites prevent heartworm infection.

Treating your pet for parasites? Read the label and make sure it covers heartworms!

Category: Grounded/Unfounded Series Posters
Canine | Prevention | Veterinary Professionals | Pet Owners

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Frequently Asked Questions on Heartworm Treatment in Shelters

When should we perform spay-neuter surgery in a heartworm-positive dog?

Category: Shelter Resources

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Shelter Educational Brochures

New from AHS and the Association of Shelter Veterinarians: Educational Brochures on Heartworm for People Adopting from a Shelter

Category: Shelter Resources
Canine | Prevention

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Why Should I WORRY About HEARTWORMS?

Here's what dog, cat and ferret owners need to know about heartworms and how their pet can get them--as well as why they should opt for safe and easy heartworm prevention.

Category: Slide Shows
Canine | Feline | Prevention | Life Cycle | Exotics | Shelters | Veterinary Professionals | Pet Owners | Incidence

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Can heartworms be prevented naturally?

Many pet owners want "natural" solutions to heartworm prevention and treatment in their pets. The American Heartworm Society provides the facts.

Category: Slide Shows
Canine | Feline | Prevention | Exotics | Veterinary Professionals | Pet Owners

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5 Simple Steps to Keep Your Pet Happy for the Holidays

Five veterinary experts weigh in on keeping pets happy during the holidays.

Category: Slide Shows
Canine | Feline | Prevention | Veterinary Professionals | Pet Owners

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Mosquitoes, Heartworms and Pets OH MY

Learn why you should protect your pets from deadly heartworm disease, which is spread by mosquitoes.

Category: Slide Shows
Canine | Feline | Prevention | Life Cycle | Shelters | Veterinary Professionals | Pet Owners | Cost | Incidence

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12 Reasons to Protect Your Pet 12 Months a Year

Not ONE reason but 12 reasons pets need year-round heartworm protection.

Category: Slide Shows
Canine | Feline | Prevention | Treatment | Life Cycle | Exotics | Shelters | Veterinary Professionals | Pet Owners | Cost | Incidence

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True or False: Test Your Heartworm Knowledge

Test your knowledge about diagnosis, prevention and treatment of heartworm disease in dogs and cats.

Category: Slide Shows
Canine | Feline | Prevention | Diagnosis | Treatment | Life Cycle | Exotics | Shelters | Veterinary Professionals | Pet Owners | Cost | Incidence

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The Deadly Truth: Heartworm Disease in Cats

Heartworm in cats can be deadly BUT it can be prevented.

Category: Slide Shows
Feline | Prevention | Treatment | Life Cycle | Shelters | Veterinary Professionals | Pet Owners

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5 Facts Every Pet Owner Should Know About Heartworm Disease

The five basic facts every pet owner needs to know about heartworm disease.

Category: Slide Shows
Canine | Feline | Prevention | Life Cycle | Shelters | Veterinary Professionals | Pet Owners | Incidence

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Updated COVID-19 Recommendations (October 2020)

Updated guidance on returning to normal protocols for heartworm prevention, testing, and treatment as COVID-19 mitigation measures were relaxed.

Category: Special Circumstances Guidance
Canine | Feline | Prevention | Treatment

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COVID-19 AHS Recommendation (April 2020)

Guidance on handling deviations from heartworm prevention, testing, and treatment necessitated by practice changes during the initial weeks and months of the COVID-19 pandemic.

Category: Special Circumstances Guidance
Canine | Feline | Prevention | Treatment

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Heartworm Preventive Waiver

Client declining recommended heartworm prevention or testing? This hold-harmless waiver may help change their mind.

Category: Special Circumstances Guidance
Canine | Feline | Prevention | Veterinary Professionals | Pet Owners

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Bringing the 17th Triennial Heartworm Symposium to You

This Q&A provides highlights from 2022 AHS Triennial Heartworm Symposium speakers and moderators on leading issues presented and discussed at the conference.

Category: Triennial Symposium
Canine | Feline | Prevention | Diagnosis | Treatment | Life Cycle | Shelters | Veterinary Professionals | Incidence | Transport of Infected Pets | Resistance

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The days are getting shorter, the nights are cooler, leaves are starting to turn, and football season is here. But that doesn’t mean your clients can forget about protecting their pets from heartworms.

To keep this message front and center with your clients, we’re sharing a set of new posters you can print OR post on your Facebook or Instagram page.

  • 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!