Common Canine Parasites

Fleas- The most common parasite. Infested dogs can suffer from blood loss, itchy skin and can contract tapeworms if untreated.
Symptoms include excessive scratching and hair loss. Care should be taken as some flea remedies are highly toxic.

Ticks- A form of external parasite and can cause paralysis, anemia, and serious diseases such as Lyme disease.

Mites- Tiny insects considered to be external parasites.
Infested dogs are said to have mange.
Ear mites live in the ear canal. Infested dogs will vigorously shake their heads and scratch their ears. They will sometimes moan and/or whimper in discomfort while doing so. Dark colored wax may also be visible.

Scabies- A condition caused by microscopic mites burrowing beneath the skin and is considered an external parasite. Symptoms include intense itching and hair loss, especially in the areas of the ears, elbows, legs and face.
Can effect humans also.

Heartworm- An internal parasite caused by the bite of an infected mosquito. They enter the bloodstream and mature in the dog’s heart. Can reach 12” in length. Infected dogs tire easily and suffer from chronic coughing and weight loss. Can be life threatening if untreated.

Hookworm, roundworm, tapeworm- Are internal parasites commonly found in puppies, but can occur in dogs of any age.
Can be detected in the dog’s stool and can cause weight loss and occasional diarrhea.