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PetMD Editorial
Apr 25, 2011

By Kate Hughes Most pet owners have some experience dealing with fleas. After all, fleas are indiscriminate parasites, happy enough to feed off of dogs and cats, ferrets and rabbits, and, of course, humans, when the need arises. While a lot people have encountered these nasty little parasites, they… Read More

PetMD Editorial
Mar 18, 2011

Reviewed and updated for accuracy on June 24, 2019 by Dr. Hanie Elfenbein, DVM, PhD A few years ago, it was possible to say that your dog wasn’t at risk for heartworm disease because of where you live; however, today, that is a dangerous way to think. According to the American Heartworm Society,… Read More

PetMD Editorial
Oct 07, 2009

Otodectes cynotis mites, commonly called ear mites, are a relatively mild parasite infection. However, complications may arise when an animal has an immune hypersensitivity reaction that results in intense irritation of the external ear. Dogs with ear mites will typically scratch at the ears… Read More

PetMD Editorial
Jan 13, 2009

Coccidiosis in Cats Coccidiosis is a parasitic type of infection, caused by the Coccidia parasite. It most commonly causes watery, mucus based diarrhea in animals. If it is not treated, over time it can cause damage to the lining of a cat's intestinal tract. With appropriate and prompt… Read More

PetMD Editorial
Nov 07, 2008

Physalopterosis in Dogs Physalopterosis is an infection of the gastrointestinal tract, caused by the parasitic organism Physaloptera spp. Typically, only a few worms are present; in fact, single worm infections are common. There is no age, breed, or gender that is more susceptible to acquiring this… Read More

Jul 16, 2008

[video] Trichuriasis in Dogs The whipworm (Trichuris vulpis) parasiteis generally transmitted to dogs when they ingestinfested matter, although whipworms can be contracted from other infected animals as well. Whipworm eggs can live in an environment anywhere from a few months to years, and can be… Read More