Low-Frequency Hearing Loss in One Ear: Causes and Concerns - Otolaryngology

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Low-frequency hearing loss, especially when it occurs in one ear, can be concerning and may indicate underlying issues that need to be addressed. Your experience of sudden tinnitus in the left ear, followed by a diagnosis of low-frequency hearing loss in the right ear, raises several important points for consideration.

Firstly, it is essential to understand that hearing loss can be categorized into different types based on frequency. In your case, the low-frequency hearing loss (0-1000 Hz) in the right ear, with a threshold of 30 dB, suggests that you may have difficulty hearing sounds in that range. This is particularly significant because normal hearing thresholds are typically around 20 dB or better. The fact that your high-frequency hearing is better than your low-frequency hearing is not uncommon, as many individuals experience a decline in low-frequency sensitivity due to various factors, including age, noise exposure, and other health conditions.

Regarding your concern about headphone use, it is important to note that prolonged exposure to loud sounds, regardless of frequency, can lead to hearing damage. However, most studies indicate that high-frequency sounds (above 2000 Hz) are more commonly associated with noise-induced hearing loss, particularly in individuals who frequently use headphones or are exposed to loud environments. That said, low-frequency sounds can also contribute to hearing issues, especially if the volume is excessively high. If you have a habit of using headphones predominantly in one ear, it could potentially lead to an imbalance in hearing sensitivity between the two ears.

Your hesitation to follow through with the recommendation to see a specialist at a larger hospital is understandable. However, it is crucial to prioritize your hearing health. A difference of 10 dB between ears, as noted by your doctor, is significant and warrants further investigation. Hearing loss can be caused by various factors, including earwax buildup, fluid in the ear, eustachian tube dysfunction, or more serious conditions such as acoustic neuroma or sudden sensorineural hearing loss. A comprehensive evaluation by an otolaryngologist (ear, nose, and throat specialist) can help determine the cause of your symptoms and guide appropriate treatment.

In summary, while your experience with low-frequency hearing loss and tinnitus may be related to headphone use, it is essential to rule out any underlying medical conditions. I strongly recommend that you follow your doctor's advice and seek a thorough evaluation at a larger medical facility. Early diagnosis and intervention can significantly improve outcomes and help prevent further deterioration of your hearing. Additionally, consider adopting safer listening practices, such as using headphones at lower volumes and limiting the duration of use, to protect your hearing in the future.