- Allergies: Just like humans, cats can suffer from allergies, both seasonal and food-related. If a cat has yellow on their ears, it could be a sign that they are allergic to something in their environment, such as dust, fleas, or certain types of food.
- Ear mites: Ear mites are tiny parasites that live in a cat's ear canal. They can cause a variety of symptoms, including itching, scratching, and a yellow discharge from the ears. If you notice your cat has yellow on or in their ears, and they seem to be scratching at them excessively, it's possible they could have ear mites.
- Ear infections: Ear infections are often caused by bacteria or yeast, and can lead to a variety of symptoms, including itching, scratching, and a yellow discharge from the ears. If your cat has yellow on or in their ears, and it's accompanied by other signs such as head shaking or a foul odor, it's possible they could have an ear infection.
- Skin conditions: Some skin conditions can cause yellow discharge from the ears. This can be a result of a bacterial infection, a fungal infection, or a condition called seborrheic dermatitis. If your cat has yellow on their ears and you also notice other skin problems such as scabs or rashes, it's possible they could have a skin condition that is affecting their ears.
If you notice yellow on your cat's ears, it's important to have them checked by a veterinarian. They will be able to determine what is causing the yellow discharge and recommend the best treatment.