Cat Ear Problems — Mites, Infections & Warning Signs | PetSensAI
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Cat Ear Problems — Mites, Infections & Warning Signs

Ear problems in cats commonly include ear mites, infections, and polyps. Cats often hide discomfort, so ear problems may be advanced before you notice. Regular ear checks and knowing the warning signs can help catch problems early.

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Common Causes

Ear Mites

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Tiny parasites that live in the ear canal, causing intense itching and dark, coffee-ground-like debris. The most common ear problem in cats, especially kittens and outdoor cats.

Yeast Infection

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Fungal overgrowth causing brown, waxy discharge and musty odor. Less common in cats than dogs but can occur, especially with underlying health issues.

Bacterial Infection

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Often secondary to mites, allergies, or polyps. Causes yellow or green discharge with foul odor. The ear may be red, swollen, and painful.

Ear Polyps

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Non-cancerous growths in the ear canal or middle ear. Cause head shaking, discharge, and sometimes breathing problems if they extend into the throat.

Allergies

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Food or environmental allergies can cause ear inflammation, making cats prone to secondary infections. Less common than in dogs.

Foreign Body

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Grass seeds, plant material, or debris in the ear canal causes sudden scratching and head shaking. Outdoor cats are at higher risk.

Ear Tumors

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Growths in the ear canal can be benign or malignant. More common in older white cats. May cause chronic discharge and bleeding.

Aural Hematoma

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Blood-filled swelling of the ear flap from scratching or head shaking. The ear flap looks like a pillow or balloon. Needs veterinary care.

How to Photograph for Best AI Analysis

Getting a clear photo helps our AI provide more accurate insights. Follow these tips:

  • Photograph inside the ear flap and as far into the ear canal as you can see
  • Capture any discharge — note if it's dark/crumbly (mites) or wet/colored (infection)
  • Show both ears for comparison
  • Photograph any swelling of the ear flap
  • Include the back of the ear to show any scratching or hair loss
  • Good lighting is essential to see inside the ear

When to See a Veterinarian

Contact your veterinarian if you notice any of the following:

  • •Dark, crumbly debris that looks like coffee grounds (likely mites)
  • •Yellow or green discharge with foul odor (bacterial infection)
  • •Swelling of the ear flap (possible hematoma)
  • •Head tilting, loss of balance, or circling
  • •Your cat won't let you touch the ear (pain)
  • •Ear problems persist despite cleaning
  • •Any visible growths or masses in the ear
  • •Discharge from one ear only (may indicate polyp or foreign body)

How PetSensAI Can Help

PetSensAI's ear scanner can analyze photos of your cat's ears to identify signs of mites, infections, or other problems. Our AI helps distinguish between common issues like ear mites versus infections and tracks your cat's ear health over time.

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Related Symptoms

Sources

About the Author

PetSensAI Editorial Team

Pet Health Content

Our editorial team creates pet health guides informed by reputable veterinary sources and reviewed for clarity and safety. Always consult a licensed veterinarian for medical advice.

Medical Disclaimer: This content is for informational purposes only and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult a licensed veterinarian for any health concerns about your pet.

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Last updated: 2025-01-09