Coccidia are tiny single-celled parasites that live in the wall of your dog’s intestine. They are found more often in puppies, but they can also infect older dogs and cats. Dogs become infected by swallowing soil that contains coccidia or other substances in the environment that may contain dog feces. Coccidia in dogs »»

It is fairly common for a dog to become infected with an internal or external parasite at some point in its lifetime. Parasites can affect your dog in a variety of ways, ranging from simple irritation to causing life-threatening conditions if left untreated. Some parasites can infect and transmit diseases to people. Parasites that infect dogs »»