American Curl Ear Infections: Signs, Causes and Ear Care

Few cats get a double take like the American Curl. Its ears sweep backward in a graceful arc, giving the breed a permanently alert, surprised expression. Curl owners often say their cats stay playful well into adulthood. Keeping those curved ears clean, without bending them in ways they should not go, takes a little know-how.

This guide covers what makes Curl ears unusual, the early signs of a problem, the causes vets consider most often, red flags that need professional attention, and a cleaning routine that works with the curl instead of against it.

Inside the American Curl's ears

The breed traces back to a stray long-haired cat with curled ears found in California. The curl comes from a dominant gene, so a Curl kitten only needs one copy to show it. Kittens are born with straight ears, which begin to curl back within the first days and settle into their final shape over the following months.

• Firm cartilage. In an adult Curl, the curled part of the ear is firm, more like the rim of a human ear than the soft flap of most cats. Bending it can be painful and may damage the cartilage.
• A curved but open entrance. Unlike a folded ear, the Curl's ear opening stays open. The curve, though, creates extra ridges and pockets where wax and dust can gather.
• Ear furnishings. Many Curls, especially long-haired ones, have tufts of hair inside the ear. They can hold onto debris.
• Two coat lengths. Long-haired Curls can develop small tangles behind the ears. Short-haired Curls are lower maintenance but still benefit from regular ear checks.
• Curious, people-oriented nature. Curls explore everywhere and play hard, picking up dust and bits of debris along the way.

It helps to compare the Curl with the Scottish Fold, whose ears fold forward over the canal. Owners of tufted long-haired Curls may also find useful ideas in the Maine Coon guide, since that breed's ear furnishings trap debris in a similar way.

Early signs of trouble in Curl ears

Because the back of the ear faces forward, you can spot changes on the inner surface without much handling. Look for:

• Brown or dark wax in the ridges of the curve
• Debris stuck in the ear tufts
• An odor that is stronger or different from usual
• Red, swollen or flaky skin on the inner ear
• Head shaking and scratching
• A curl that suddenly looks flatter or more droopy on one side
• A playful cat turning grumpy or withdrawn

What usually causes ear problems in Curls

Debris in the ridges. Wax and dust can settle into the curved folds of the ear and irritate the skin over time.

Ear mites. Cats pick up mites more often than dogs, and kittens and cats around other animals are at highest risk. Mites cause intense itching and dark, crumbly debris. Your vet needs to confirm them. The article on keeping your cat away from ear mites gives background on how cats catch them.

Yeast and bacteria. These can overgrow in an ear that is inflamed, waxy or scratched. A vet uses a swab and microscope to identify them.

Allergies. Environmental and food allergies can make the ears itchy and red. See allergies in dogs and cats for how vets approach them.

Inflammatory polyps. These growths, most often found in young cats, can cause discharge or balance changes and need veterinary assessment.

Injury to the curl. Rough handling or play can bruise the firm cartilage.

When to have your vet take over

Do not clean an ear that already looks sore or seems painful. Call your vet if you notice:

• Pain when the ear is touched, or crying out during handling
• A head tilt, loss of balance or unsteady walking
• A drooping eyelid or the third eyelid showing on one side of the face
• A swollen or bleeding ear flap, which could be an aural hematoma
• Foul-smelling discharge
• A change in the shape of the curl after a bump or fall
• Symptoms that persist or keep coming back

Avoid vinegar, hydrogen peroxide, rubbing alcohol and kitchen oil remedies, and keep cotton swabs out of the ear canal.

Cleaning a curled ear the right way

A visual check twice a week and a cleaning roughly every week or two suit many American Curls. Long-haired cats with dense ear tufts may need more frequent attention. Let your vet guide you if your cat has had ear problems before.

1. Settle your cat. Choose a quiet room and a time when your Curl is relaxed. A towel wrap can help with a wriggly cat.
2. Work with the curve. Hold the ear at its base, not at the curled tip. Never flatten, unroll or straighten the curl.
3. Inspect. If you see redness, swelling, blood or a bad smell, stop and contact your vet.
4. Wipe the ridges. Use a cotton ball or tissue to lift visible wax and debris from the inside of the curve.
5. Fill the canal. Slowly add a cat ear cleaner, or squeeze it from a soaked cotton ball if your cat is unsettled.
6. Massage the base. Rub gently for 60 to 90 seconds.
7. Let your cat shake. Give your Curl space for a head shake.
8. Dry and reward. Dry the outer ear with a cotton pad, then offer praise and a treat.

Coat care: For long-haired Curls, comb behind the ears a few times a week so knots do not form near the ear base.

About EcoEars Cat: EcoEars Cat is a botanical cat ear cleaner with no antibiotics or steroids, made in the USA. As directed on the label, wipe away visible debris, slowly fill the ear canal, massage the base of the ear for 60 to 90 seconds, let your cat shake its head and dry the outer ear. Use it twice daily for 10 days in a row, then weekly or as needed. It is for cats only and should not be used on broken skin, if there is blood, or if the eardrum may be damaged.

American Curl ear FAQ

Can I gently uncurl my Curl's ears to clean them?

No. The cartilage is firm, and bending it can hurt your cat or damage the ear. Clean around the curve while holding the ear at its base.

When do American Curl kittens' ears finish curling?

The ears start to curl back within the first days and usually settle into their final shape over the first few months.

Do the ear tufts need trimming?

Usually not. If tufts collect a lot of debris or your cat has repeated ear trouble, ask your vet or a cat groomer for advice before trimming anything near the ear.

Are American Curls more likely to get ear infections?

The open ear means Curls are not in the same position as folded-ear cats, but the curved ridges still collect wax. Regular checks help you notice problems early.