Worms & Germs Blog

Tag Archives: heartworm

Canine and feline antiparasitics

Posted in Cats, Dogs, Parasites
Negotiating the world of antiparasitics for dogs and cats can be daunting. With the wide range of products, similarly named products with different ingredients and differently named products with the same ingredients, it’s hard to keep up. The Ontario Animal Health Network as put together some useful tables that outline antiparasitic products available in Canada… Continue Reading

Companion animal parasite forecasts: US

Posted in Dogs
I’m a little late writing about this (since I’m talking about 2018 forecasts midway through 2018), but the Companion Animal Parasite Council (CAPC)‘s parasite forecasts are worth a look. They don’t include Canada, but they show some interesting predicted patterns in the US. The maps are below, but check out the CAPC website to get… Continue Reading

The other Dirofilaria

Posted in Dogs
Most of the time, when we talk about the parasite Dirofilaria in animals, we’re talking about Dirofilaria immitis – a.k.a. heartworm. However, it’s not the only member of this parasite family that is found in dogs and cats. Another one, Dirofilaria repens, is present in pets in many regions, and it can also spread to people… Continue Reading

The ongoing heartworm controversy

Posted in Dogs
The American Heartworm Society (AHS) recently issued a release emphasizing that "Contrary to what owners may think, heartworm disease is a year-round threat" and encouraging people to use heartworm preventive medications year round. I’m in Canada, not the US, but some US regions have a similar climate and similar issues to us. Also, some people… Continue Reading

New Dirofilaria species in dogs and people

Posted in Dogs
.Dirofilaria immitis is the parasite that causes heartworm in dogs (and rarely cats). This mosquito-borne parasite can cause serious disease in dogs, and a lot of effort is spent trying to prevent heartworm infection. It can also cause disease in people who are bitten by a mosquito that has fed on an infected dog, but… Continue Reading

Early spring and heartworm questions

Posted in Dogs
We’ve had a really bizarre spring around here. At a time of year when we’re usually bouncing back and forth between snow and rain, we seem to have skipped over spring and moved right into summer. It was 25 C (77F) today, the snow’s long gone, frogs are deafening at night and, on the bad… Continue Reading

Natural disasters and pet diseases

Posted in Dogs
After the devastation caused by Hurricane Katrina, there were numerous efforts to rescue animals left homeless or ownerless. As part of this, some animals were shipped far away, including large numbers to the Northeastern US and Canada. It was a time-consuming and expensive endeavour by very well-meaning people, but was accompanied by much controversy. Beyond… Continue Reading

Resistant heartworm, cause for concern?

Posted in Dogs
Heartworm is a parasitic infection (primarily of dogs) caused by Dirofilaria immitis, which is spread by mosquitoes.  In areas where the parasite is present, the standard recommendation is for preventive treatment of dogs during the mosquito season, and annual testing to make sure they don’t have the disease. Numerous types of heartworm medication are available,… Continue Reading

Heartworm in people

Posted in Dogs
Heartworm is an important problem in dogs. It’s a parasitic disease caused by Dirofilaria immitis and is spread by mosquitoes. It can cause serious, even fatal disease, and routine testing and preventive medication is an important thing for dogs in areas where D. immitis is present. Dogs (wild and domestic) are the natural host for… Continue Reading

Alternative heartworm treatments

Posted in Dogs
Here’s a recent question: "We have a ‘new’ boxer age 2. The breeder believes in the raw food diet, and not many vaccinations or preventitive treatments. Recently the boxer has been shown to be heartworm positive, and she (the breeder) wants us to take a "holistic" approach to management. Are there any randomized trials to… Continue Reading