Cause of Hearing Loss

Hearing loss can result from various factors, most commonly exposure to loud noise and natural aging.

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Noise-Induced Hearing Loss

The most common contributor to hearing loss is noise. Exposure to loud sounds at work, driving with your windows down, and even noisy restaurants can cause hearing loss. Over time, this damage becomes irreversible.

Other causes of hearing loss

INJURY

Viral infections

Wax buildup

Ototoxic drugs

Genetics

Diabetes

STROKE

Heredity

Smoking

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Which part of the ear is affected?

Outer Ear

Typical problems in the outer ear include excessive build-up of earwax and/or infection of the auditory canal.

Middle Ear

The most common causes in the middle ear consist of ruptures in the eardrum, infection, and otosclerosis, which causes limited mobility of the stapes due to calcification.

Inner Ear

In the inner ear, most hearing problems arise due to damaged structures. The natural aging process, excessive exposure to noise, taking medication that can harm the auditory system and head injuries comprise the majority of causes. In such cases, the tiny hair cells in the cochlea, called stereocilia, are damaged, impairing the flow of sound signals from reaching the brain.

Frequently asked questions

Are ear infections a common cause of hearing loss?

Yes, untreated or recurrent ear infections, particularly in the middle ear, can lead to conductive hearing loss by preventing sound transmission to the inner ear.

Can head trauma result in hearing loss?

Yes, head injuries, such as skull fractures or traumatic brain injuries, can damage the structures of the ear or auditory pathways in the brain, resulting in hearing impairment.

What is Meniere's disease, and how does it cause hearing loss?

Meniere’s disease is a disorder of the inner ear characterized by episodes of vertigo, hearing loss, tinnitus (ringing in the ears), and a feeling of fullness in the ear. It is believed to be caused by fluid buildup in the inner ear, leading to damage to the cochlea and vestibular system.

Can lifestyle factors influence the risk of hearing loss?

Yes, factors such as a poor diet, lack of exercise, smoking, and excessive alcohol consumption can all impact overall health, including hearing health, and may contribute to an increased risk of hearing loss over time.