Hearing Loss in One Ear: Causes and Solutions - Otolaryngology

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Decreased hearing in the right ear?


If only the right ear is experiencing reduced hearing, it could be due to several potential causes.
These may include earwax buildup, middle ear infections, eustachian tube dysfunction, or damage to the auditory nerve.
It is important to consult a healthcare professional

Eyan Shihkuang, 10~19 year old female. Ask Date: 2021/04/29

Dr. Ji Zhaoyun reply Otolaryngology


Hello, the issues you mentioned could be due to: 1) Eustachian tube dysfunction: This is the most common cause and can occur not only during flying, climbing, or diving, but also when forcefully blowing your nose or bending over.
2) Sudden sensorineural hearing loss.
3) Otitis media: a) Acute otitis media: Often occurs alongside upper respiratory infections (colds) or sinusitis, and in severe cases, there may be ear discharge.
b) Chronic otitis media with acute exacerbation: This usually occurs when there is a pre-existing perforation in the eardrum, which can become inflamed due to contaminated water or improper ear cleaning.
All of the above conditions can be appropriately treated with medication after consulting a healthcare provider.
If you have already undergone pure tone audiometry (which requires headphones in a soundproof room, where sounds are presented and you respond by pressing a button, rather than just using a tuning fork), and it has been confirmed that you do not have sudden sensorineural hearing loss, then medication may suffice.
However, if you have not had a pure tone audiometry test, it is advisable to visit a hospital for evaluation to rule out sudden hearing loss, as the optimal treatment window for sudden sensorineural hearing loss is within two weeks, and early treatment yields better outcomes.

Reply Date: 2021/04/29

More Info


Hearing loss in one ear, also known as unilateral hearing loss, can be caused by a variety of factors, and understanding the underlying causes is crucial for effective management and treatment. The symptoms you describe, such as a decrease in sound perception in your right ear, can be indicative of several potential issues.

1. Conductive Hearing Loss: This type of hearing loss occurs when sound waves cannot efficiently pass through the outer ear canal to the eardrum and the tiny bones of the middle ear. Causes can include earwax buildup, fluid in the middle ear (often due to infections), perforated eardrum, or abnormalities in the ear structure. Given your history of ear infections and inflammation, it’s possible that you may have experienced some conductive hearing loss.

2. Sensorineural Hearing Loss: This type involves damage to the inner ear (cochlea) or the auditory nerve pathways to the brain. Causes can include age-related hearing loss, exposure to loud noises, infections, or certain medications that are ototoxic. If your hearing loss is accompanied by tinnitus (ringing in the ears), it may suggest damage to the auditory system.

3. Eustachian Tube Dysfunction: The Eustachian tube helps equalize pressure in the middle ear. If it doesn’t function properly, it can lead to a feeling of fullness or pressure in the ear, and potentially contribute to hearing loss. This dysfunction can be exacerbated by allergies, colds, or sinus infections.

4. Acoustic Neuroma: This is a benign tumor on the vestibulocochlear nerve, which can cause unilateral hearing loss, tinnitus, and balance issues. While it is less common, it is a serious condition that requires medical evaluation.

5. Meniere’s Disease: This inner ear disorder can cause episodes of vertigo, tinnitus, and fluctuating hearing loss. It is characterized by an accumulation of fluid in the inner ear.

6. Trauma or Injury: Any trauma to the head or ear can lead to hearing loss. This includes barotrauma from flying or diving, which can affect the Eustachian tube and middle ear.

Given your specific symptoms, including the sensation of fullness, the presence of tinnitus, and the variability of your hearing loss, it is advisable to seek a comprehensive evaluation from an otolaryngologist (ENT specialist). They may recommend a series of tests, including audiometry to assess your hearing levels, tympanometry to evaluate middle ear function, and possibly imaging studies if a structural issue is suspected.

In terms of management, treatment options will depend on the underlying cause. For conductive hearing loss, addressing the specific issue (like removing earwax or treating an infection) may restore hearing. For sensorineural hearing loss, while some forms may not be reversible, hearing aids or cochlear implants can significantly improve hearing ability.

In conclusion, unilateral hearing loss can stem from various causes, and understanding the specific reason is essential for effective treatment. If you are experiencing these symptoms, it is crucial to consult with a healthcare professional who can provide a thorough examination and appropriate interventions.

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