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Tinnitus and Hearing Loss

          The ear is a vital organ that plays a crucial role in our ability to hear and maintain balance. It operates by converting mechanical and electrical impulses into nerve signals that are transmitted to the brain. This process is responsible for our auditory perception and equilibrium. Any abnormalities in the ear can have a significant impact on our overall well-being, leading to symptoms such as tinnitus, dizziness, and impaired balance. These effects can disrupt daily activities and hinder us from leading a normal life. Given the ear's essential role, it is crucial to prioritize its health and seek appropriate care when experiencing any related issues.

 

          Hearing abnormally loud sounds within the ear, known as tinnitus, typically refers to a condition where we perceive sounds that do not exist in our environment. These sounds can manifest as ringing, buzzing, hissing, or even rhythmic drumming. The causes of tinnitus can vary, including both ear-related and non-ear-related factors. Certain medications, hyperthyroidism, muscle spasms associated with the ear, abnormalities in blood vessels near the ear or in the brain, and tumors in the ear canal or brain can all contribute to this condition. Additionally, tinnitus is often associated with hearing loss, where unusual noises in the ears may be experienced.

 

           The specific character of the tinnitus sound, such as wind-like noise, machinery sounds, cricket-like chirping, or pulsating beats, depends on the underlying cause and location of the abnormality. It is advisable to consult with an ear, nose, and throat specialist to determine the cause and seek appropriate treatment. Some cases may indicate potentially serious conditions.

 

Hearing loss is a common factor associated with tinnitus, and it can arise from various reasons. Age-related deterioration of hearing, prolonged exposure to loud noises leading to damage to the auditory nerve, or other underlying medical conditions can contribute to hearing loss. In cases of sensorineural hearing loss, which is often irreversible, the resulting tinnitus may persist at a noticeable level. However, if the tinnitus is related to treatable conditions like tumors or vascular abnormalities, addressing the root cause can help alleviate the ear noises. Seeking medical evaluation is essential to identify the underlying cause and explore suitable treatment options.

 

Sudden or acute hearing loss, also known as sudden deafness, refers to a condition where there is a rapid decrease in hearing ability that typically lasts no longer than three days. Individuals may experience a sudden decrease or complete loss of hearing clarity during this time, often referred to as the "blackout" syndrome. The causes of sudden hearing loss can be attributed to various factors, including both ear-related and non-ear-related conditions. It may be associated with diseases directly affecting the ear or conditions unrelated to the ear itself. Viral infections, abnormalities in the blood vessels supplying the inner ear or brain, or the presence of tumors can lead to acute hearing loss. Treatment for this condition depends on identifying and addressing the underlying cause. It is recommended that individuals with ear problems seek immediate medical attention, as early intervention increases the likelihood of recovery. Delayed medical treatment, especially in cases of inflammatory conditions, may result in diminished chances of recovery.

 

            Certain symptoms can serve as warning signs indicating the impending deterioration of the auditory nerve. For instance, after being exposed to a loud sound, such as at a concert or in a noisy environment, experiencing a temporary ringing sensation in the ears can be an indicator of hearing loss. The auditory nerve naturally deteriorates as we age. However, hearing loss can also be influenced by genetic factors and environmental conditions. Prolonged exposure to loud noises, whether it be a one-time occurrence of an extremely loud sound like an explosion or continuous exposure to moderate levels of noise over an extended period, can lead to hearing loss. Occupations in noisy environments, such as industrial factories or airports, can also contribute to nerve damage. Additionally, excessive and prolonged use of headphones, listening to loud music, and falling asleep while still wearing them can result in hearing loss as well.

 

          Tinnitus, often characterized by a ringing or buzzing sound in the ears, is primarily caused by sensorineural hearing loss. This noise perception is a result of the hearing loss and does not indicate any underlying hidden disease or pose harm. It may be bothersome but not a cause for major concern.

 

            Uneven water levels in the ear can also contribute to the presence of noise in the ears. Our inner ear contains water, but the water balance can become disrupted, leading to symptoms such as dizziness, reduced hearing, and the perception of loud noises in the ear. However, if a normal individual experiences noise in their ears, it may not necessarily be related to this condition. Uneven water levels in the ear, known as Meniere's disease, often exhibit recurring symptoms that come and go, with periods of calm and periods of recurrence. Stress can be a triggering factor for these symptoms, as can the consumption of salty foods. Management of this condition includes medication and dietary adjustments.

 

            Most of the patients who seek treatment for ear-related problems suffer from conditions that affect the outer ear, such as earwax buildup, ear inflammation, ear picking, or swimming. Therefore, the best way to maintain ear health is to prevent these conditions from occurring. As previously mentioned, hearing loss is often caused by exposure to loud noises, which can cause damage to the ears. It is important to avoid prolonged exposure to noisy environments and to wear earplugs or noise-cancelling headphones when necessary, such as when listening to loud music. If the volume of the music is within a normal range, it is generally safe, but if it is too loud, it can lead to hearing loss.

 

By Dr. Dawin Yaowapolkul

Ear, Nose, and Throat Specialist