Common Parasites of Cats

Parasite

Transmission

Effect on Health

Roundworms & hookworms

Eating parasite eggs in droppings or swallowing in mother’s milk

Damage to the digestive tract and nutrient loss

Tapeworms

Eating infected fleas or prey animals

Nutrient loss

Flukes or lungworms

Eating infected aquatic hosts (like snails)

Damage to lungs, liver, or intestines

Intestinal protozoa

Eating parasite eggs in droppings or infected prey

Damage to the digestive tract; can affect pregnant women

Heartworms

Being bitten by infected mosquitoes

Damage to lungs and heart

Fleas, ticks & mites

Direct contact with infected animals

Skin damage, itching, and potential infections

Cuterebra (a type of bot fly)

Contact with fly larvae near rodent or rabbit holes

Swelling under the skin, possible infections