How Do Cats Get Scabies? Causes, Signs & Treatment

Cats get scabies through direct contact with an infected cat. The disease, called notoedric mange, is caused by the mite Notoedres cati, which burrows into the skin and triggers intense itching, crusting, and hair loss. Unlike the form of scabies common in dogs, feline scabies spreads almost exclusively through close physical contact rather than contaminated environments.

The Mite Behind Feline Scabies

Notoedres cati is a tiny, round burrowing mite that spends its entire life cycle on the cat’s skin. Adult females dig tunnels into the outer layer of skin to lay eggs, and the resulting larvae and nymphs eventually wander across the skin surface. These wandering larvae and nymphs are the stages most likely to transfer from one cat to another.

The mite is closely related to Sarcoptes scabiei, the species responsible for scabies in dogs and humans, but Notoedres cati is largely specific to cats. Dogs have their own variant of Sarcoptes, and those mites rarely establish lasting infections on cats. So in most cases, a cat with scabies picked it up from another cat, not from a dog or other household pet.

How Cats Catch It

The primary route is direct, skin-to-skin contact with an infected cat. This makes scabies especially common in multi-cat households, catteries, shelters, and among outdoor cats that interact with strays or feral colonies. Grooming, sleeping together, or even brief nose-to-nose contact can be enough for mites to cross over.

Cats that hunt may also pick up the mite from wild rabbits. Rabbits can carry a form of Notoedres that appears to be the same species as the one found on cats, and wild or hunting cats sometimes become infested after catching an infected rabbit. This route is less common than cat-to-cat spread but is worth knowing about if your cat spends time outdoors in areas with wild rabbit populations.

Unlike some parasites, Notoedres cati doesn’t survive long off a host. The mites depend on the warmth and moisture of living skin, so transmission through shared bedding, blankets, or grooming tools is far less likely than direct contact. The infection is fundamentally a social one: cats that interact closely with other cats are at highest risk.

What Feline Scabies Looks Like

The first sign is usually intense, relentless itching. Affected cats scratch and rub their faces constantly, and you’ll typically notice the earliest changes on the edges of the ears. Small red bumps appear first, then quickly develop into thick, yellowish-gray crusts. The ear margins may look scaly and thickened, almost like dry, crumbling wax layered over the skin.

From the ears, the disease spreads to the outer surface of the ear flap, then across the face, around the eyes, and down the neck. Cats scratch so aggressively that they create open wounds on top of the crusty patches, leading to hair loss and raw, irritated skin. In chronic or untreated cases, the skin itself thickens and becomes leathery, a change that develops over weeks of ongoing inflammation. Some cats eventually develop widespread disease that extends beyond the head and neck to the legs and body.

The progression can be surprisingly fast. A cat might go from a few flaky patches on its ear tips to a heavily crusted face within a couple of weeks, especially if its immune system is already compromised by age, stress, or other illness.

How Vets Diagnose It

A vet will typically suspect notoedric mange based on the pattern of crusty lesions starting at the ear margins and the cat’s frantic scratching. To confirm, they’ll take a skin scraping: gently scraping the surface of a crusty area with a blade and examining the sample under a microscope to look for mites, eggs, or larvae.

Skin scrapings are generally reliable for Notoedres cati, though false negatives can occur in cats with very low mite numbers. One study found that two cats with light infestations had negative skin scrapings despite being infected. An alternative technique, pressing clear adhesive tape against squeezed skin, performed equally well and picked up comparable mite counts. The two methods showed a very high correlation (over 0.9) in the number of mites detected, giving vets a backup option when scrapings come up empty but clinical signs are strongly suggestive.

Treatment and Recovery

Feline scabies is very treatable once diagnosed. Vets typically prescribe a topical antiparasitic applied to the skin on the back of the neck, similar to common flea preventatives. These products kill the mites over the course of their life cycle, and most cats need one or two treatments spaced a few weeks apart to fully clear the infestation.

You’ll usually see improvement within the first week or two. The itching eases, the crusts begin to soften and fall away, and new fur starts growing back. Heavily crusted cats sometimes need gentle bathing or medicated soaks to help loosen the thick scabs. Full recovery, including complete hair regrowth and normal skin texture, can take a month or more depending on how advanced the disease was before treatment started.

All cats in the household should be treated, even if they don’t yet show symptoms. Because the mites spread so easily through direct contact, an untreated housemate can reinfect a recovering cat quickly. Bedding and shared resting areas should be washed, though thorough environmental decontamination is less critical than it would be for fleas since the mites don’t persist long away from a host.

Can Humans Catch It?

Notoedric mange does not infect humans. While the related human scabies mite (Sarcoptes scabiei var hominis) can cause persistent infestations in people, the cat-specific Notoedres mite cannot complete its life cycle on human skin. You might develop a brief, mild rash if you handle a heavily infested cat, but the mites will die off on their own without treatment and won’t establish a true infestation. The priority is getting your cat treated promptly, which eliminates the source entirely.