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Parasites

  • Heartworm disease or dirofilariasis is a serious and potentially fatal disease. It is caused by a blood-borne parasite known as Dirofilaria immitis. Treatment usually consists of several parts including an injectable drug to kill adult heartworms, antibiotics, and treatment to kill microfilaria. There is some risk involved in treating dogs with heartworms, although fatalities are rare.

  • Histoplasmosis is a chronic, non-contagious fungal infection caused by the soil-dwelling fungus Histoplasma capsulatum. Histoplasma capsulatum is found globally and may infect both humans and animals. However, histoplasmosis is uncommon to rare in all but dogs and cats.

  • Hookworms are intestinal parasites of the cat and dog. Their name is derived from the hook-like mouthparts they use to anchor themselves to the lining of the intestinal wall. In general, cats tend to harbor relatively few hookworms when compared to the large numbers found in dogs.

  • Hookworms are intestinal parasites of the cat and dog that get their name from the hook-like mouthparts they use to anchor themselves to the lining of the intestinal wall. A large number of hookworms can cause inflammation in the dog's intestine as well as a life-threatening decrease in the number of red bloods cells, which is called anemia. This problem is most common in puppies, but can occur in adult dogs.

  • This handout is designed to give you an overview of some of the internal parasites that can infect your dog. Intestinal worms can be a serious problem in young puppies. Heartworm disease is a major life-threatening problem in dogs. Speak to your veterinarian about the most appropriate parasite control program for your dog.

  • While many owners believe parasites are common causes of skin disorders and feather loss in birds, this is usually not the case. However, Knemidokoptic mange, also called cere mites or scaly face is a relatively common disorder, particularly in some of the smaller species of birds.

  • Leishmaniasis is a serious condition spread by flies that can affect dogs, cats, and people. It can severely damage the internal organs or skin and even with treatment, the outcome is often not successful.

  • Lung flukes are parasitic organisms called trematodes. The most common lung fluke to affect cats in North America is called Paragonimus kellicotti, also known as the North American lung fluke. Other species of lung flukes can infect cats in other areas of the world, but are rarely found in North America.

  • Lung flukes are parasitic organisms called trematodes. The most common lung fluke to affect dogs in North America is called Paragonimus kellicotti, also known as the North American lung fluke.

  • A lungworm infection is caused by one of several parasitic roundworms. Dogs pick up a lungworm infection by swallowing infective stages of the parasitic lungworm. The exact means of picking up the infection varies according to the life cycle of the particular parasite.

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