The Four Types of Tinnitus

Tinnitus is not a single condition — it is a symptom that can arise from several different underlying mechanisms. Clinically, tinnitus is classified into four categories. Understanding which type you have helps guide the most appropriate treatment approach.

Subjective Tinnitus — The Most Common Form (99% of Cases)

Subjective tinnitus is the form most people mean when they say I have tinnitus. It is sound that only the affected person can hear — not audible to any external listener or instrument. The sound is generated by abnormal neural activity within the auditory system itself, typically triggered by some form of hearing damage or deprivation.

The most common sounds described in subjective tinnitus are high-pitched ringing, buzzing, humming, hissing, and clicking. It may be constant or intermittent, affect one ear or both, and vary in intensity with stress, sleep deprivation, caffeine, and noise exposure.

Subjective tinnitus is the type addressed by the neurophysiological model and by treatments like Neuromonics sound therapy. Because the sound is generated by brain processes rather than a physical sound source, effective treatment targets the brain's auditory processing, attentional, and limbic responses to the signal.

The term subjective does not mean it is imaginary or psychological — it means the sound is only perceptible to the person experiencing it. The neural activity generating the sound is real and measurable with modern brain imaging.

Objective Tinnitus — Rare but Physically Real (Less Than 1% of Cases)

Objective tinnitus is genuinely rare — accounting for less than 1% of all tinnitus cases. Unlike subjective tinnitus, it is caused by actual physical sounds generated within the body, and in many cases a clinician can hear the sound using a stethoscope placed near the ear.

Common causes include vascular abnormalities such as turbulent blood flow through malformed or narrowed blood vessels near the ear, muscle contractions such as palatal myoclonus where repetitive contractions of soft palate muscles create a clicking sound, and patulous Eustachian tube where abnormal opening of the tube connecting the middle ear to the throat creates sound. Because objective tinnitus has a physical, identifiable cause, it is often treatable — sometimes surgically.

Somatic Tinnitus — When the Body Affects the Sound

Somatic tinnitus is a form of subjective tinnitus where the perceived sound can be modified by physical body movements — particularly jaw movements, neck movements, or pressure applied to facial or neck muscles. Many people with somatic tinnitus notice the pitch or volume changes when they clench their jaw, press on certain points in their neck, or turn their head.

This modifiability occurs because the auditory system receives inputs from non-auditory parts of the nervous system — particularly the trigeminal nerve which serves the face and jaw, and the upper cervical spine. Somatic tinnitus is frequently associated with temporomandibular joint disorders, dental problems, neck injuries including whiplash, and muscle tension in the jaw and neck. Treating the underlying musculoskeletal condition can produce meaningful reductions in somatic tinnitus.

Neurological Tinnitus — When the Cause Is Systemic

Neurological tinnitus is caused by a neurological condition that affects the auditory system as part of a broader diagnosis. The most common example is Meniere's disease — a condition of the inner ear involving fluid pressure fluctuations that causes episodic vertigo, fluctuating hearing loss, a feeling of fullness in the ear, and tinnitus. Other neurological causes include acoustic neuroma, multiple sclerosis, and various other conditions affecting the central nervous system.

Pulsatile Tinnitus — A Special Presentation Requiring Investigation

Pulsatile tinnitus is characterized by a rhythmic, beating or whooshing sound that typically matches the person's heartbeat. It is caused by turbulent or abnormal blood flow near the ear — and its causes range from benign high blood pressure and anemia to serious vascular malformations and carotid artery stenosis. Because pulsatile tinnitus can indicate a cardiovascular or neurological condition requiring treatment, anyone experiencing it should have a medical evaluation including vascular imaging.

Which Type Responds to Sound Therapy?

The Neuromonics program is designed specifically for subjective tinnitus — covering 99% of tinnitus sufferers. Objective tinnitus may require physical or surgical treatment of the underlying sound source. Somatic tinnitus benefits from combined approaches: sound therapy for the neurological component plus musculoskeletal treatment for the physical component. Pulsatile tinnitus requires medical investigation before beginning any treatment program.