Ear ringing, called tinnitus, happens when your brain generates a phantom sound in response to reduced input from your inner ear. It affects millions of people, and the causes range from something as simple as earwax buildup to noise damage, medications, jaw problems, and age-related hearing changes. Most cases are harmless and temporary, but persistent or one-sided ringing can signal something that needs attention.
What’s Happening Inside Your Ear and Brain
Your inner ear contains tiny hair cells that convert sound waves into electrical signals for the brain. When those cells are damaged or their connections to the auditory nerve are disrupted, less signal reaches the brain. Rather than processing silence, the brain compensates by turning up its own activity. Neurons in the first relay station of the auditory system begin firing spontaneously and in synchronized patterns, essentially creating a sound that isn’t there.
This is why tinnitus is really a brain phenomenon, not an ear phenomenon. The damage starts in the ear, but the ringing you hear is generated by neural circuits overcompensating for missing input. Research published in the journal Neuron found that animals with identical inner-ear damage only developed tinnitus when their brains also underwent this specific rewiring. The damage alone wasn’t enough. The brain’s response to the damage is what produces the sound.
The Most Common Causes
Noise exposure is the single biggest trigger. Concerts, power tools, earbuds at high volume, loud workplaces: any of these can damage those delicate hair cells. Sometimes the ringing shows up immediately after a loud event and fades within hours or days. Other times, years of cumulative exposure cause a gradual onset that becomes constant.
Age-related hearing loss is the other major driver. Tinnitus rates climb steadily with age, peaking between 60 and 69. As hearing naturally declines, the brain receives less input from the inner ear and is more likely to fill the gap with phantom sound. Many people first notice ringing around the same time they start having trouble hearing conversations in noisy rooms.
Earwax blockage is one of the most overlooked and easily fixable causes. When wax packs tightly against the eardrum, it can produce a low-pitched ringing. Professional removal often reduces or eliminates the symptoms entirely.
Jaw and Neck Problems
If your ringing changes when you clench your teeth, open your mouth wide, or turn your neck, your jaw joint may be involved. The temporomandibular joint (TMJ) sits right next to the ear canal, and the muscles used for chewing are close to muscles that attach inside the middle ear. Problems like teeth grinding, jaw clenching, or a misaligned bite can irritate these shared structures and either trigger or worsen tinnitus.
Neck issues work through a similar pathway. Nerve endings in the neck make direct connections to hearing centers in the brain, which explains why whiplash injuries, arthritis, or chronic neck stiffness can produce or intensify ringing. Tinnitus linked to neck injuries tends to be more severe and often comes with headaches, difficulty concentrating, and mood changes. The good news: when the jaw or neck problem improves, the tinnitus often improves with it.
Medications That Can Trigger Ringing
Certain drugs are known to be toxic to the inner ear. The damage is typically noticed quickly, during treatment or shortly after, not months later. The most common culprits include:
- High-dose aspirin and related pain relievers: a well-known cause that usually reverses when the dose is lowered
- Certain antibiotics: particularly macrolide types prescribed at high doses for extended periods
- Chemotherapy drugs: especially platinum-based agents used in cancer treatment
- Loop diuretics: water pills used for heart failure and kidney disease
- Some biologic drugs: including certain immunotherapy and disease-modifying treatments
If ringing starts soon after beginning a new medication, that timing is worth noting and bringing up with whoever prescribed it. In some cases, switching to an alternative resolves the problem.
When Ringing Pulses With Your Heartbeat
Most tinnitus is a steady tone or hiss. But if the sound throbs in rhythm with your pulse, that’s a distinct type called pulsatile tinnitus, and it usually has a different set of causes. Unlike regular tinnitus, pulsatile tinnitus often involves actual sound being generated by blood flow near the ear.
Vascular causes include narrowed carotid arteries, abnormal connections between arteries and veins, and irregularities in the veins and sinuses near the skull base. One common trigger is a condition where pressure inside the skull is higher than normal (idiopathic intracranial hypertension), which tends to affect younger women and often comes with headaches and visual changes. Pulsatile tinnitus is more likely than regular tinnitus to have a treatable structural cause, so it warrants imaging and investigation.
Ringing in Only One Ear
Tinnitus in both ears is common and usually related to general noise damage or aging. Ringing that’s isolated to one ear, especially when paired with gradual hearing loss on that side, balance problems, dizziness, or facial numbness, raises the possibility of an acoustic neuroma. This is a noncancerous growth on the nerve connecting the inner ear to the brain. About 9 out of 10 people with an acoustic neuroma experience hearing loss in just one ear. These growths are slow-growing and treatable, but catching them early matters for preserving hearing.
How Tinnitus Is Managed
There is no pill that cures tinnitus, but several approaches can make it significantly less bothersome. The most effective strategy is called tinnitus retraining therapy, which combines two elements: education about how tinnitus works and low-level background sound designed to reduce the contrast between the ringing and silence. Over time, the brain learns to filter out the tinnitus signal the same way it filters out the hum of an air conditioner.
The sound component can be as simple as a fan, white noise machine, or background music. For people with hearing loss, hearing aids alone improve tinnitus in about 70% of cases, because they restore the missing input the brain was compensating for. Combination devices that pair a hearing aid with a sound generator have shown improvement rates around 83% after a year of consistent use. The habituation process takes roughly 12 months, with an additional six months recommended to solidify the changes.
For many people, tinnitus is most noticeable at night in a quiet room. Keeping some level of ambient sound while falling asleep, whether from a fan, an app, or a bedside sound machine, can make a meaningful difference while the brain adjusts.
Quick Fixes Worth Trying First
Before assuming the worst, consider the simplest explanations. If you were recently at a loud event, the ringing will likely fade within 24 to 48 hours. If your ears feel full or muffled, earwax removal by a professional may resolve it. If you’ve been clenching your jaw under stress, addressing that tension through a night guard or relaxation exercises can help. And if you just started a new medication, check whether tinnitus is a known side effect. These straightforward causes account for a large share of cases and are the easiest to address.