Parasites Commonly Infect Indoor Cats

Dogs and cats that spend time outdoors are more likely to come into contact with parasites.

Preventing fleas is much easier than removing them. Neonci/Shutterstock

Q: Can cats that stay indoors get parasites? My veterinarian recommends that I apply a parasite preventive to my cat Seymour’s skin every month, but I don’t understand why it’s necessary.

A: While cats that spend time outside are more likely to encounter parasites, even indoor-only cats can become infected. Three types are common.