N
The Daily Insight

What is sensorineural hearing loss caused by

Author

Emily Carr

Updated on April 22, 2026

Sensorineural hearing loss (SNHL) is caused by damage to these special cells, or to the nerve fibers in the inner ear. Sometimes, the hearing loss is caused by damage to the nerve that carries the signals to the brain. Sensorineural deafness that is present at birth (congenital) is most often due to: Genetic syndromes.

What is the main cause of sensorineural hearing loss?

Sensorineural hearing loss (SNHL) is caused by damage to the structures in your inner ear or your auditory nerve. It is the cause of more than 90 percentof hearing loss in adults. Common causes of SNHL include exposure to loud noises, genetic factors, or the natural aging process.

What viruses cause sensorineural hearing loss?

For some viruses, like Cytomegalovirus (CMV) and Rubella (CRS), hearing loss is the most prevalent consequence, with CMV causing 40% of congenitally acquired sensorineural hearing loss and almost all patients with Congenital Rubella Syndrome suffering some degree of hearing loss.

What happens in sensorineural hearing loss?

Sensorineural hearing loss, or SNHL, happens after inner ear damage. Problems with the nerve pathways from your inner ear to your brain can also cause SNHL. Soft sounds may be hard to hear. Even louder sounds may be unclear or may sound muffled.

How do you improve sensorineural hearing loss?

Once damaged, your auditory nerve and cilia cannot be repaired. But, depending on the severity of the damage, sensorineural hearing loss has been successfully treated with hearing aids or cochlear implants.

Can sensorineural hearing loss be corrected?

Can a sensorineural hearing loss be cured? In most cases unfortunately not. A sensorineural hearing loss is normally treated with hearing aids or hearing implants. Certain types of sudden sensorineural hearing losses can in some cases be cured but here it is important to seek medical help immediately.

Can you fix sensorineural hearing loss?

Sensorineural hearing loss is permanent. No surgery can repair damage to the sensory hair cells themselves, but there is a surgery that can bypass the damaged cells.

What is the most common cause of sudden hearing loss?

Age, genetics, and damage to the ear are among the most common causes of hearing loss. About one in eight Americans have hearing loss in both ears, according to the National Institute on Deafness and Other Communication Disorders. But there are three types of hearing loss that are the most common.

Is sensorineural hearing loss reversible?

In fact, however, many cases of sensorineural hearing loss are reversible: for example, those caused by mild acoustic trauma (noise injury), some types of drug reactions, Ménière’s disease, autoimmune disease of the inner ear, and some cases of post-meningitis deafness.

What are the symptoms of nerve damage in the ear?
  • mild to severe hearing loss.
  • sounds fading in and out.
  • difficulty understanding spoken words (speech perception)
  • normal hearing but with poor speech perception.
  • worsened speech perception in noisy environments.
Article first time published on

Can you suddenly lose hearing in one ear?

Sudden sensorineural hearing loss (SSHL), commonly known as sudden deafness, occurs as an unexplained, rapid loss of hearing—usually in one ear—either at once or over several days. It should be considered a medical emergency.

Does sensorineural hearing loss affect balance?

Quite a few things can lead to balance problems, but it’s a lesser-known fact that hearing loss can cause balance disorders. Our ears are involved in more than just hearing, and the presence of the semicircular canals in our ears can lead to balance problems in people suffering from hearing loss.

How do I stop SSHL?

Here are some tips on how you can protect against hearing loss: Employ the 60/60 rule – when listening to a portable music player with headphones, listen for no more than 60 minutes at no more than 60 percent of the max volume. Also consider purchasing noise-canceling headphones, as these will require lower volumes.

How do you deal with sensorineural hearing loss?

SNHL can be treated with the use of conventional hearing aids or an implantable hearing device. Again, your ENT specialist and/or audiologist can help you decide which device may work best for you depending on your hearing test results and your lifestyle.

Can stress cause sudden sensorineural hearing loss?

To answer the question – yes, stress can cause hearing loss. According to Hearing Consultants, “When your body responds to stress, the overproduction of adrenaline reduces blood flow to the ears, affecting hearing.

What foods improve hearing?

So to help keep your ears healthy, and to help guard against hearing loss (especially noise-induced), eat more of these magnesium-rich foods: Dark chocolate, pumpkin seeds, flax seeds, nuts (particularly Brazil nuts, cashews, and almonds), whole grains, avocados, salmon, legumes, kale, spinach, and bananas.

How can I strengthen my ear nerves?

  1. Avoid loud noise.
  2. Avoid sharp objects.
  3. Exercise regularly.
  4. Stop smoking.
  5. Consider the side effects of medicine.
  6. Wear your hearing aids.

Can sudden hearing loss be restored?

The good news is that, in 32 to 79 percent of cases of sudden hearing loss, patients recover spontaneously, typically within the first two weeks. In patients with severe hearing loss and patients who also have vertigo, the chances of full recovery are smaller.

Which of the following drugs most commonly causes hearing impairment?

  • Aspirin. Aspirin-induced temporary hearing loss is normally associated with large doses, or 8 to 12 pills per day. …
  • Nonsteroidal Anti-Inflammatory Drugs (NSAIDs) …
  • Antibiotics. …
  • Chemotherapy Drugs. …
  • Loop Diuretics.

What is the best treatment for sudden hearing loss?

How is Sudden Hearing Loss Treated? It is generally accepted that steroids (cortisone), taken orally over 1 to 2 weeks, are the single most beneficial treatment for sudden hearing loss, although they do not lead to improvement in every case.

What parts of the ear are affected by sensorineural hearing loss?

Sensorineural deafness is a type of hearing loss. It occurs from damage to the inner ear, the nerve that runs from the ear to the brain (auditory nerve), or the brain. The ear consists of external, middle, and inner structures. The eardrum and the 3 tiny bones conduct sound from the eardrum to the cochlea.

How long do ear nerves take to heal?

After the severe symptoms lessen, most patients make a slow, but full recovery over the next several weeks (approximately three weeks). However, some patients can experience balance and dizziness problems that can last for several months.

Is tinnitus caused by nerve damage?

Head or neck trauma can affect the inner ear, hearing nerves or brain function linked to hearing. Such injuries usually cause tinnitus in only one ear.

Does SSHL go away?

And while SSHL does occasionally go away on its own after a few days or the symptoms gradually improve over time, for some people the condition will only grow worse the longer it is untreated. Some doctors end up prescribing nasal sprays and decongestants to treat what they believe is congestion.

Can you recover from SSHL?

People with SSHL often experience dizziness or a ringing in their ears (tinnitus), or both. Some patients recover completely without medical intervention, often within the first 3 days. This is called a spontaneous recovery. Others get better slowly over a 1 or 2 week period.

Does hearing loss affect memory?

Even relatively mild hearing loss can cause cognitive overload, which means people can experience hearing-related memory loss without having moderate or severe hearing problems. In fact, you may notice your memory loss before you’re aware of any reduction in your hearing function.

Can your ears make you feel off balance?

Losing your balance while walking, or feeling imbalanced, can result from: Vestibular problems. Abnormalities in your inner ear can cause a sensation of a floating or heavy head and unsteadiness in the dark.

Does hearing loss cause dementia?

In a study that tracked 639 adults for nearly 12 years, Johns Hopkins expert Frank Lin, M.D., Ph. D., and his colleagues found that mild hearing loss doubled dementia risk. Moderate loss tripled risk, and people with a severe hearing impairment were five times more likely to develop dementia.

How fast does sensorineural hearing loss progress?

Sudden sensorineural hearing loss (SSHL) is also known as sudden deafness. It occurs when you lose your hearing very quickly, typically only in one ear. It can happen instantly or over a span of several days. During this time, sound gradually becomes muffled or faint.