The ear mite is a surface mite that lives on cats, dogs, rabbits, and ferrets. It is usually found in the ear canal but it can also live on the skin surface. Infestations are a very common problem in puppies and kittens, although pets of any age can be affected.
Heartworm disease is a serious and potentially fatal disease. It is caused by a blood-borne parasite known as Dirofilaria immitis.
This handout is designed to give you an overview of some of the internal parasites that can infect your dog. There are also separate information sheets on roundworms, hookworms, whipworms, tapeworms and heartworms that will provide you with more details.