Parasite Prevention 101: Fleas, Ticks and Worms

Parasites are more than a nuisance. Fleas, ticks, heartworm and intestinal worms can cause illness, and some can spread to people. Prevention is easier and safer than treatment.

Fleas

Fleas cause itching, skin infections and, in heavy infestations, anemia. Adult fleas on your pet are only a fraction of the problem, since eggs and larvae live in carpets and bedding. Treat every pet in the home and wash bedding frequently.

Ticks

Ticks can transmit diseases such as Lyme disease and others, depending on where you live. Check your pet after outdoor time, especially around the ears, neck, armpits and between toes. Remove ticks promptly with fine-tipped tweezers or a tick tool, and ask your vet about testing if your pet gets sick afterward.

Heartworm

Heartworm is spread by mosquitoes and can be life-threatening. Prevention is far simpler than treatment. Dogs are typically tested annually, and cats can be affected too.

Intestinal worms

Roundworms, hookworms, whipworms and tapeworms are common, especially in puppies and kittens. Symptoms include diarrhea, weight loss and a pot-bellied look, though some pets show none. Regular stool tests and deworming as directed by your vet help.

Safe prevention

Ask your vet to recommend products for your pet's species, weight and lifestyle
Never use a dog flea product on a cat, because some ingredients are toxic to cats
Follow dosing instructions and schedules closely
Many vets recommend year-round prevention

For an in-person visit or testing, find a nearby veterinarian.