What Causes Persistent Tinnitus?

Everyone knows that the ears are vital organs for hearing—without them, normal communication would not be possible. However, tinnitus (ringing in the ears) has severely disrupted the lives of many individuals. So, what causes persistent tinnitus?

What Causes Persistent Tinnitus?

When tinnitus occurs frequently, identifying its underlying cause is the first step. If it originates from the middle ear, patients may experience not only tinnitus but also symptoms such as otorrhea (ear discharge), aural fullness (a sensation of blockage), and hearing loss. If it arises from the inner ear, certain inner ear disorders—such as sudden sensorineural hearing loss or Ménière’s disease—can trigger tinnitus. Another common type is neural tinnitus, which stems from inner ear dysfunction affecting the auditory nerve; this is the most frequently encountered form in clinical practice. In such cases, tinnitus tends to persist chronically. Therefore, patients experiencing tinnitus should promptly seek medical evaluation to determine whether the cause lies in the outer ear, middle ear, or inner ear. Generally, earlier intervention yields better treatment outcomes. For sudden-onset inner ear tinnitus, medications aimed at improving microcirculation and nourishing the nerves are typically prescribed; approximately 70–80% of patients achieve clear symptom relief or recovery.

For patients with recurrent tinnitus, medications that improve microcirculation—such as ginkgo biloba extract—are commonly recommended. Additionally, neurotrophic agents—including vitamin B1, mecobalamin, and vitamin B12—may be administered orally. Neural tinnitus is often accompanied by hearing loss, and its etiology is usually multifactorial: sleep deprivation-induced microcirculatory impairment, fatigue, stress, inadequate rest, and poor sleep quality can all contribute to ischemia and hypoxia of the auditory nerve, thereby provoking tinnitus.

This type of tinnitus may present as either high-pitched or low-pitched, depending on the affected frequency range. We hope this information proves helpful to you.