what causes sudden hearing loss?
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A number of infections cause sudden hearing loss during or immediately after acute illness. Common causes include bacterial meningitis, Lyme disease, and many viral infections that affect the cochlea (and sometimes the vestibular apparatus). The most common viral causes in the developed world are mumps and herpes.
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How hearing loss can occur. Causes of hearing loss include: Damage to the inner ear. Aging and exposure to loud noise may cause wear and tear on the hairs or nerve cells in the cochlea that send sound signals to the brain.
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Sounds will become muffled and gradually fade. Depending on the cause of your hearing loss, you may also have: Pain in one or both ears. Dizziness or vertigo.
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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.
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Hearing loss may be permanent or temporary, already present at birth, or develop following an illness. It often occurs in older people. A hearing loss of up to 20 decibels below the hearing threshold is still considered to be normal hearing.
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Hearing loss can be temporary or permanent. It often comes on gradually as you get older, but it can sometimes happen suddenly. See your GP if you notice any problems with your hearing so you can find out the cause and get advice on treatment.
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Conductive hearing loss can occur as a result of impaction, middle ear infection, or tumors. Sensorineural hearing loss can occur as a result of genetics, noise exposure, aging, tumors, or certain autoimmune diseases. In addition, medications in the mycin family can cause damage to the ear.
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Symptoms of Severe Hearing Loss If you lose hearing, either suddenly or over time, details of conversations may become fuzzy. Sounds will become muffled and gradually fade. Depending on the cause of your hearing loss, you may also have: Pain in one or both ears.
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Hearing loss is caused by many factors, including: genetics, age, exposure to noise, illness, chemicals and physical trauma. ... It can be mild, moderate, severe, or profound, to the point of total deafness. This is classified as a disability under the ADA and if unable to work is eligible for disability payments.
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['Age-related hearing loss. For many people, hearing worsens with age, usually starting around age 60. ... ', 'Exposure to loud noise. Loud noises, such as those from heavy equipment, chain saws and firearms, are common sources of noise-related hearing loss. ... ', 'Earwax blockage. ... ', 'Ear bone changes.']
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Mixed hearing loss is caused by a combination of conductive damage in the outer or middle ear and sensorineural damage in the inner ear (cochlea) or hearing/auditory nerve. Genetic factors, overexposure to loud noise, certain medications and the normal ageing process can lead to sensorineural hearing loss.
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A ruptured eardrum or severe infection can occur which can cause hearing loss or permanent ear damage. See a hearing healthcare professional if your hearing doesn't return to normal within several days post-flight.
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Causes of plugged ears There are multiple causes for Eustachian Tube Dysfunction: earwax, congestion from a cold, allergies or sinusitis, an ear infection, large adenoids, changes in altitude like when driving in the mountains or flying, or even Temporal Mandibular Joint (TMJ) Syndrome.
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Most of the time, acquired sensorineural hearing loss occurs gradually. However, in rare cases, people can develop sudden sensorineural hearing loss, leading to sudden deafness in one ear. If this happens to you, it's important to seek medical care right away.
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['change in pressure, such as when flying on a plane.', 'earwax buildup.', 'a foreign object in the ear.', 'strep throat.', 'sinus infection.', 'shampoo or water trapped in the ear.', 'use of cotton swabs in the ear.', 'temporomandibular joint (TMJ) syndrome.']
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It may be caused by infections during pregnancy, premature birth and complications at birth. It may be part of another condition or linked to other difficulties. Hearing loss can also develop through childhood illnesses, such as mumps, measles or meningitis.
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['Sensorineural hearing loss, which means there is a problem occurring in either the inner ear or the auditory nerve, which delivers sound to the brain.', 'Conductive hearing loss, which means sound is not reaching the inner ear, usually due to an obstruction or trauma.']