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Heartworm disease is a horrible and potentially deadly disease that is fortunately preventable with medication. However, in recent years, animals in the Gulf region have been testing positive for heartworm, despite being on a prevention medicine. This has many people worried about a potential resistant superbug.
In response to the growing cases, the American Heartworm Society and Companion Animal Parasite Council met earlier this year  to "explore the potential relationships between resistance to heartworm products and veterinary and pet owner compliance, loss of product efficacy and heartworm testing and treatment protocols."
For instance, 50 percent of people who buy heartworm preventative do not give the medication to their dogs as directed . The efficacy of heartworm preventative is greatly compromised if not given as intended.
The meeting concluded that more research is necessary , but that the investigation should not lead to dropping heartworm medicine, since year-round use is still the most effective way to prevent the deadly disease.
In human healthcare, there’s so much talk of antibiotic resistant supeprbugs that I avoid excessive medications and vaccines when possible, for both myself and my dogs. However, heartworm preventative is one medication I don’t skip with the pups. It’s such a serious disease and I hope that the possibility of a superbug is unfounded.
For more information on heartworm prevention, symptoms, and endemic areas, visit the American Heartworm Society website .