The cat's ear consists of three parts
The cat's ear is divided into three parts outer ear, middle ear and inner ear. The outer ear consists of the ear lobe and the ear canal with a vertical and horizontal auditory canal. The outer ear ends at the eardrum. Inside the eardrum is the middle ear, which consists of the air-filled tympanic cavity and the three auditory bones called the anvil, malleus and stirrup. The inner ear consists of two labyrinthine sections: the bony labyrinth and the membranous labyrinth.
Blood ear
The root cause of the cat suffering from ear bleeding is often ear mange or ear inflammation. The itching causes the cat to scratch and shake its head so that a blood vessel in the ear bursts and fills the earlobe with blood. Sometimes ear bleeding can also form if your cat has been bitten by another cat.
Ear scab
Ear scabies is a parasitic disease that manifests itself through varying degrees of itching. The disease is caused by parasites that mainly live in the ear canals but also around the cat's ears. The ear canals can be filled with black-brown secretions and the scabies can cause severe itching, but not all cats get severe itching.
Ear inflammation (Otitis externa)
Otitis is shown by the cat scratching a lot in and around the ear. Common symptoms are that the cat's ear becomes red, gets visible black/brown wax in the ears and smells bad. In addition to ear infections, cats can also get inflammation from bacteria, fungi or neoplasms.
Deafness
Deafness sometimes affects old cats. If your cat's hearing has deteriorated, you should contact a veterinarian to rule out that the cat has an ear disease that is causing the cat's hearing loss. If necessary, you can test the cat's hearing with special equipment available at larger animal hospitals.
There are also hereditary problems with hearing. Some cats can be born deaf or hard of hearing, especially cats that are completely white and have blue eyes.
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