External parasites, such as fleas and ticks, live on the body of the host and produce an infestation.

New evidence suggests that a disease-causing tapeworm that has been spreading across the United States and Canada has arrived ...

Seeing worms (or segments) in your dog’s poop is a clear sign of an intestinal parasite infection, and it’s quite common in ...

Intestinal parasites in dogs are a fairly common problem all over the world. According to the Companion Animal Parasite ...

Editor’s note: Dr. Lee Pickett has retired, but Creators continues to distribute columns from her archive. This one is from 2021. Q: My dog Frankie and I were at the dog park when another dog had ...

A potentially fatal dog worm lurks in California’s waters, waiting to attack your dog from the inside. A group of scientists from UC Riverside confirmed the presence of Heterobilharzia americana — a ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists for the first time have discovered a parasite potentially fatal to dogs in a portion of the Colorado River near the ...

Researchers are warning that a parasite that can kill dogs has been discovered in states that it has not otherwise been seen, according to a study from the University of California, Riverside. While ...

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. Since 2019, 11 dogs in Los Angeles, ...

For five years, an elusive tormentor of animals hid from authorities in east Riverside County as 10 dogs were injured and another killed. The victims hailed from Los Angeles, Riverside and Orange ...

Parasites in dogs are common and may be found both internally and externally. They can irritate dogs greatly and lead to serious health problems affecting other pets or even humans. Fortunately, ...