What causes prolonged tinnitus?

Aug 24, 2022 Source: Cainiu Health

Dr. Xu Gang

Introduction

There are several possible causes of chronic tinnitus: 1. External auditory canal injury can cause tinnitus. Accidents occur frequently in daily life, making external auditory canal injury unavoidable. For example, failing to protect the ears during fireworks displays—such as those held during the Spring Festival—can result in ear injury and potentially trigger tinnitus. 2. Otitis media can cause tinnitus. If otitis media remains untreated or fails to resolve over time, it may lead to tinnitus.

Tinnitus is a subjective perception of sound in the ear—often described as ringing, buzzing, or hissing—without any external acoustic source. It can significantly impair daily life and work performance. So, what causes persistent tinnitus?

What Causes Persistent Tinnitus?

There are several possible causes of chronic tinnitus:

1. External auditory canal injury may trigger tinnitus. Accidents occur frequently in daily life, and injuries to the external auditory canal are not uncommon. For example, failing to protect the ears during fireworks displays—especially during the Spring Festival—can cause ear damage and potentially lead to tinnitus. The ear has a certain threshold for external sound exposure; exceeding this threshold may result in auditory damage and subsequent tinnitus.

2. Otitis media (middle ear infection) can also cause tinnitus. Upper respiratory tract infections are common, and because the pharynx and middle ear are connected via the Eustachian (auditory) tube, throat inflammation—such as sore throat—can spread to the ear, leading to otitis media. Individuals who frequently experience sore throats may therefore be at higher risk for otitis media. If left untreated or unresolved over time, otitis media may progress to chronic tinnitus.

3. Patients with hypertension or hyperlipidemia are also prone to tinnitus. With rising living standards, the incidence of hypertension, hyperlipidemia, and diabetes continues to increase. When conditions such as hypertension, hyperglycemia, and hyperlipidemia remain uncontrolled over prolonged periods, arterial hardening (atherosclerosis) may develop in the blood vessels supplying the inner ear. This compromises cochlear perfusion, resulting in insufficient blood supply to the ear and ultimately causing tinnitus.

Tinnitus is a subjective sensation of persistent sound in the ear, significantly affecting daily life and work. Be vigilant—early detection and timely treatment are essential. We hope this information proves helpful. Wishing you good health and happiness!

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What Causes Long-Term Tinnitus?

The patient’s chronic tinnitus is influenced by multiple factors, including environmental exposures, lifestyle habits, and uncontrolled sudden sensorineural hearing loss. Specifically: 1. Environmental factors: Prolonged exposure to noisy environments—whether at work, home, or during study—can damage the inner ear and trigger tinnitus. 2. Lifestyle habits: Some patients develop tinnitus due to prolonged and excessive use of telephones or headphones.

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What Causes Chronic Tinnitus?

1. Neurasthenia: Tinnitus is also closely associated with social environment and psychological factors. Individuals experiencing depression or anxiety may develop tinnitus. Patients with neurasthenia frequently report tinnitus, which typically presents with variable pitch and is often bilateral, accompanied by symptoms such as headache, dizziness, insomnia, and vivid dreams. Additionally, in cases of physical debility, tinnitus may result from reduced vascular tone and inadequate local blood supply.

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What Causes Persistent Tinnitus?

Prolonged tinnitus may result from otitis media or a foreign body in the ear, or it may be caused by disorders of the auditory system or systemic diseases. Insufficient rest or frequent late-night activity can also trigger tinnitus. Patients with severe tinnitus should promptly visit the Department of Otolaryngology at a hospital for relevant examinations to identify the precise underlying cause, followed by appropriate pharmacological treatment and careful attention to ear hygiene.

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What Causes Chronic Tinnitus?

If tinnitus persists for a prolonged period, it may originate from the central nervous system—specifically, the brain—or may be generated centrally within the brain itself. At this stage, proper self-care is essential: become attuned to your body’s signals, seek medical attention promptly, and undergo evaluation by an otolaryngologist (ENT specialist) to identify the underlying cause and initiate appropriate treatment. Vasodilators may be prescribed; moreover, patients with chronic tinnitus may benefit from combination therapy using multiple vasodilators.