There are many parasites found in the gastrointestinal system of both dogs and cats. These invaders can cause serious illness ...

ROCHESTER — If your dog or cat gets to romp around outside a lot, especially in natural areas, he or she may come across an irresistible, yet flea-infested animal or animal carcass on which to chomp.

Dogs at a sheep ranch lounge beside a vehicle in Tierra del Fuego in southern Chile. Canine echinococcosis, a parasitic disease, has increased in the province after a deworming program was canceled.

Credelio Quattro combines four active ingredients to protect dogs against six parasite types, including tapeworms and heartworm disease, in a single monthly chew.