Cats can get lice, but they are not the same as human head lice. The type that affects cats is a feline-specific chewing louse, usually Felicola subrostratus, and it does not infest humans or dogs. Transmission occurs between cats, typically in households with multiple cats or those that roam and pick up other infested felines. Lice on cats can cause itching, irritation, and in heavier infestations skin inflammation or allergic reactions, but with proper diagnosis and treatment, the condition is usually curable. Key points to know
- Must-diagnose signs: intense scratching, rubbing, visible tiny parasites on the coat, or flaky/scaly skin areas. If you notice these, a veterinary exam is recommended to confirm lice and check for secondary skin infections.
- Specific to cats: human or dog lice do not infest cats, and cat lice generally do not transfer to people. However, lots of cats in close contact can spread lice among themselves [Merck Veterinary Manual and veterinary-oriented sources].
- Treatment approach: a veterinarian will typically prescribe a topical or systemic pediculicide appropriate for felines, and may recommend cleaning of the environment and treating other cats in the household to prevent reinfestation. Follow-up to ensure resolution and check for secondary skin issues is common.
- Prevention: regular grooming, flea and parasite control as advised by a veterinarian, and prompt treatment of any new or returning lice infestations in multi-cat households.
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