Ringing in the ears, known medically as tinnitus, is the perception of sound when no external sound is present. It affects roughly 11% of U.S. adults, or about 27 million people. In most cases, it signals some degree of hearing loss, but the specific cause ranges from something as simple as earwax buildup to conditions that need prompt medical attention.
Why Your Brain Creates Phantom Sound
Tinnitus isn’t actually generated by your ears in most cases. It starts there, but the sound you hear is manufactured by your brain. The inner ear contains tiny sensory cells called hair cells that convert sound vibrations into electrical signals for the brain. When those cells are damaged or die, the brain receives less input from the ear. In response, it turns up its own “volume,” amplifying neural activity in the hearing centers to compensate for the missing signals. That amplified activity is what you perceive as ringing, buzzing, hissing, or roaring.
This is why 8 to 9 out of 10 people with long-term tinnitus have underlying hearing loss. The phantom sound is essentially the brain’s reaction to a gap in its auditory input. The exact neural patterns that sustain the perception aren’t fully mapped yet, but researchers know it involves changes in both auditory and non-auditory brain networks, which helps explain why tinnitus often worsens with stress or anxiety.
The Most Common Causes
Noise exposure is the single biggest preventable trigger. Concerts, construction sites, power tools, firearms, gym speakers, and earbuds at high volume can all damage those inner-ear hair cells. The damage accumulates over time, so tinnitus from noise exposure often appears years after the habits that caused it.
Age-related hearing loss is another leading cause. As you get older, hair cells naturally deteriorate, and tinnitus frequently accompanies that decline. Other common triggers include earwax blockage pressing against the eardrum, ear infections, and head or neck injuries that affect the structures near the ear. Smoking also damages the ears and is linked to both hearing loss and tinnitus.
Medications That Can Trigger Ringing
Certain drugs are known to harm hearing, and tinnitus is often the first warning sign. High-dose aspirin is a classic example. Other culprits include some antibiotics (particularly macrolide types like azithromycin when used at high doses for extended periods), loop diuretics used for heart failure and kidney disease, and certain chemotherapy drugs. A growing number of newer biologic medications, used for conditions from melanoma to thyroid eye disease, are also showing hearing-related side effects. If ringing starts after beginning a new medication, that’s worth bringing up with whoever prescribed it.
Jaw Problems and Tinnitus
The jaw joint sits remarkably close to the middle ear, and the two share muscles, ligaments, and nerve pathways. Dysfunction in that joint, often called TMJ disorder or TMD, can alter how sound is perceived. If your tinnitus changes when you clench your jaw, chew, or open your mouth wide, a jaw issue may be contributing.
When Ringing Matches Your Heartbeat
If the sound pulses in rhythm with your heart, that’s a distinct type called pulsatile tinnitus. Unlike the more common form, this one usually has a specific physical cause related to blood flow near the ears. It can result from high blood pressure forcing blood through vessel walls under extra pressure, anemia increasing overall blood flow, or atherosclerosis creating turbulent flow through narrowed arteries. Less common causes include abnormal tangles of blood vessels near the ear, increased pressure of the fluid surrounding the brain, and hyperthyroidism speeding up the heart.
Pulsatile tinnitus is considered urgent. Sudden onset of pulsing sound in one ear, especially alongside dizziness or facial weakness, can indicate a serious vascular or neurological problem and warrants same-day medical evaluation.
Warning Signs That Need Prompt Attention
Most tinnitus is not dangerous, but certain patterns are red flags. Ringing in only one ear deserves a hearing evaluation, because unilateral tinnitus is a common early sign of both acoustic neuroma (a benign growth on the hearing nerve) and Ménière’s disease. If asymmetric hearing loss is found, imaging is typically used to rule out a tumor.
Sudden hearing loss accompanied by new ringing is treated as a medical emergency. The window for effective treatment is narrow, often just days. Other combinations that signal urgency include tinnitus with facial weakness or paralysis, tinnitus with severe vertigo, and tinnitus following head trauma. Any of these pairings can point to a serious intracranial condition and should be evaluated the same day.
Ménière’s Disease as a Cause
Ménière’s disease is an inner-ear disorder that causes episodes of vertigo lasting 20 minutes to 12 hours, hearing loss (confirmed by testing), and tinnitus or a feeling of fullness in the affected ear. It typically affects one ear and tends to worsen over time. If your ringing comes alongside spinning episodes and muffled hearing, Ménière’s is one of the conditions your doctor will look for.
How Tinnitus Is Managed
There is no universal cure for tinnitus, but several approaches can significantly reduce how much it bothers you. The most effective strategy depends on the cause. If earwax, a medication, or high blood pressure is driving it, treating that underlying issue often resolves the ringing. For the more common type linked to hearing loss, management focuses on retraining how your brain responds to the sound.
Sound Therapy
Sound masking uses external noise to reduce the contrast between tinnitus and silence, making the ringing less noticeable. In a recent comparative study, participants rated their tinnitus intensity at about 8 out of 10 at baseline. After 30 days of using sound-generating devices fitted to hearing aids, intensity scores dropped to roughly 3.6 out of 10 across all three masking approaches tested.
White noise (a broad, constant hiss covering all frequencies) works well for general relief, but it can interfere with speech comprehension and focus during daily activities. A more targeted approach uses sound matched to your specific tinnitus frequency. This pitch-matched masking preserved speech clarity better in testing and may more precisely target the brain regions involved in generating the phantom sound. Audiogram-based masking, which shapes the sound to your hearing loss profile, performed similarly to white noise. For nighttime use, when tinnitus tends to feel loudest, any form of background sound, from a fan to a dedicated sound machine, can help.
Tinnitus Retraining Therapy
Tinnitus Retraining Therapy (TRT) combines education with long-term sound exposure. The counseling component teaches you how tinnitus is generated and why the brain latches onto it, with the goal of shifting your perception of the sound from “threat” to “neutral background noise.” The sound therapy component uses low-level broadband noise over months to gradually reduce the brain’s detection of the tinnitus signal. Multiple clinical centers have reported success rates of about 80% or higher with the full protocol. In one study, 83% of participants improved with the combined approach of counseling plus noise generators, compared to only 18% who received counseling alone.
Hearing Aids
Because most chronic tinnitus accompanies hearing loss, simply restoring the missing sound input with hearing aids can reduce tinnitus significantly. When the brain receives the external signals it was missing, it has less reason to amplify its own internal activity. Many modern hearing aids include built-in tinnitus masking programs that combine amplification with background sound generation.
What Tinnitus Sounds Like
People describe tinnitus differently depending on the underlying cause. The classic presentation is a high-pitched ringing, but it can also sound like buzzing, hissing, roaring, clicking, or humming. Some people hear a single steady tone, others hear multiple tones, and some experience a sound that fluctuates in pitch or volume. Pulsatile tinnitus sounds like a rhythmic whooshing or thumping. The specific character of the sound, whether it’s in one ear or both, whether it’s constant or intermittent, and whether anything makes it change, all help narrow down the cause.