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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.



Diagnosis of heartworms in cats

Diagnosing heartworms in cats is quite different from diagnosis in dogs. In this video, veterinary practitioner and past AHS president Dr. Tom Nelson explains the diagnostic process and discusses which tests are appropriate for feline patients.

Feline | Prevention | Diagnosis | Shelters | Veterinary Professionals
Category: Video

Treatment options for heartworm-positive cats

While cats are susceptible to heartworms, unfortunately there are no approved treatments for cats with adult worms. However, as veterinary practitioner and past AHS president Dr. Tom Nelson explains, that doesn't mean veterinarians have no options for managing these patients.

Feline | Prevention | Treatment | Shelters | Veterinary Professionals
Category: Video

Understanding barriers to heartworm research today

In this video, Emeritus Professor and researcher Dr. Tim Geary of the Institute of Parastitology at McGill University explains the barriers to heartworm research and how it differs from research on other parasites in other species.

Prevention | Veterinary Professionals | Cost
Category: Video

Understanding heartworm-host interactions

In this video, Emeritus Professor and researcher Dr. Tim Geary of the Institute of Parastitology at McGill University explains how a better understanding of heartworms and how they interact with their hosts and their environment might help researchers in the future as they develop new strategies for heartworm prevention.

Canine | Feline | Prevention | Life Cycle | Veterinary Professionals
Category: Video

Heat treatment of serum samples in heartworm testing

Parasitologist Dr. Byron Blagburn explains what veterinarians need to know about heat treatment of serum samples in heartworm testing.

Canine | Diagnosis | Veterinary Professionals
Category: Video

Heat treatment of feline serum samples

Parasitologist Dr. Byron Blagburn explains what veterinarians need to know about heat treatment of serum samples when testing cats for heartworm infection.

Feline | Diagnosis | Veterinary Professionals
Category: Video

Current knowledge about heartworm resistance

Veterinary cardiologist Dr. Clarke Atkins discusses the most current information about heartworm resistance.

Canine | Prevention | Treatment | Veterinary Professionals | Incidence | Resistance
Category: Video

How to minimize development of resistant heartworms

Veterinary cardiologist Dr. Clarke Atkins explains what steps veterinarians can take to minimize the risk of resistant heartworms developing in the future.

Canine | Prevention | Treatment | Veterinary Professionals | Resistance
Category: Video

The spread of heartworm disease in Europe

Veterinary parasitologist Dr. Laura Kramer of the University of Parma explains how heartworm disease has spread across Europe over the past several decades.

Canine | Veterinary Professionals | Incidence
Category: Video

Why alternative heartworm treatment protocols are needed

Veterinary parasitologist Dr. Laura Kramer of the University of Parma discusses the rationale for alternative heartworm treatment protocols.

Canine | Treatment | Veterinary Professionals | Resistance
Category: Video

The "Watch-outs" with melarsomine in heartworm treatment

Veterinary parasitologist Dr. Laura Kramer of the University of Parma explains the pros and cons of treating heartworm infections with melarsomine.

Canine | Treatment | Veterinary Professionals
Category: Video

Rationale for doxycycline in heartworm treatment

Veterinary parasitologist Dr. Laura Kramer of the University of Parma explains her rationale for including doxycycline in a heartworm treatment protocol.

Canine | Treatment | Veterinary Professionals | Resistance
Category: Video

Why combine macrocyclic lactones and repellents in a heartworm prevention protocol?

Veterinary cardiologist Dr. Matthew Miller discusses multimodal heartworm prevention strategies.

Canine | Prevention | Veterinary Professionals
Category: Video

Multimodal heartworm prevention

Veterinary cardiologist Dr. Matthew Miller explains why macrocyclic lactones are needed in conjunction with mosquito repellents in multimodal heartworm prevention protocols.

Canine | Prevention | Veterinary Professionals
Category: Video

The latest on HARD in cats

Former Auburn veterinary internist Dr. Ray Dillon explains the most current knowledge about heartworm associated respiratory disease in cats.

Feline | Veterinary Professionals | Incidence
Category: Video

Why prevention of feline heartworm disease is important

Former Auburn veterinary internist Dr. Ray Dillon discusses the importance of preventing heartworm disease in cats.

Feline | Prevention | Veterinary Professionals | Incidence
Category: Video

Decision tree for identifying resistant heartworm cases

University of Georgia veterinary parasitologist Dr. Ray Kaplan outlines strategies veterinarians can use to identify potentially heartworm-resistant cases.

Canine | Veterinary Professionals | Resistance
Category: Video

Role of genetics in study of heartworm resistance

University of Georgia veterinary parasitologist Dr. Ray Kaplan explains why it’s important for scientists to study the genetics of heartworm resistance.

Canine | Veterinary Professionals | Resistance
Category: Video

Pros and cons of doxycycline in a heartworm treatment protocol

Parasitologist Dr. Dwight Bowman explains why he has reservations about routinely using doxycycline in a heartworm treatment protocol.

Canine | Treatment | Veterinary Professionals | Resistance
Category: Video

Mosquito vectors in heartworm transmission

University of Arkansas entomologist Dr. Tanja McKay discusses mosquito vectors in the transmission of heartworm disease.

Life Cycle | Veterinary Professionals
Category: Video

Feeding habits of mosquito vectors

University of Arkansas entomologist Dr. Tanja McKay explains the feeding habits of mosquitoes that transmit heartworm disease.

Canine | Life Cycle | Veterinary Professionals
Category: Video

Caval syndrome and how to manage it in dogs with heartworm disease

Dogs with heartworm disease can develop a very serious complication: caval syndrome. Veterinary cardiologist Dr. Marisa Ames explains how this complication develops, as well as how veterinarians and treat and manage these patients.

Canine | Diagnosis | Treatment | Veterinary Professionals
Category: Video

How to manage right-sided heartworm failure in dogs with heartworm disease

Dogs with pulmonary hypertension as a result of heartworm disease can also develop right-sided heart failure. Veterinary cardiologist Dr. Marisa Ames explains how veterinarians can identify this complication in canine patients and manage it.

Canine | Diagnosis | Treatment | Veterinary Professionals
Category: Video

How to manage pneumonitis in dogs with heartworm disease

Pneumonitis is a common complication in dogs with heartworm Disease. Cardiologist Dr. Marisa Ames explains how veterinarians can manage patients with this complication.

Canine | Diagnosis | Treatment | Veterinary Professionals
Category: Video

Microclimates and their effects on mosquitoes and heartworm survival

American Heartworm Society Past President Dr. Stephen Jones what microclimates are and how they extend the length of time mosquitoes carrying heartworms can pose a threat.

Canine | Feline | Prevention | Life Cycle | Veterinary Professionals | Pet Owners | Incidence
Category: Video


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!