Persistent ringing in your ears is called tinnitus, and it affects roughly 14.4% of adults worldwide. About 10% experience it chronically, meaning it lasts longer than three months. The sound isn’t coming from outside your body. It’s generated by your brain in response to changes in your auditory system, most often some degree of hearing loss you may not even realize you have.
What’s Actually Happening in Your Brain
Tinnitus feels like an ear problem, but in most cases it’s a brain problem. When the delicate hair cells in your inner ear become damaged, whether from loud noise, aging, or something else, they send fewer signals to your brain. Your auditory processing centers respond by turning up their own activity to compensate, essentially amplifying neural “noise” that you perceive as ringing, buzzing, hissing, or humming. Think of it like a microphone with the gain cranked too high in a quiet room: you start hearing static that was always there but never loud enough to notice.
This hyperactivity can originate anywhere along the hearing pathway, from the inner ear itself to the auditory cortex. Neuroimaging studies point to a region called the auditory thalamus and the auditory cortex as especially important in making tinnitus stick around long-term. Once these areas lock into an abnormal pattern, the ringing can persist even after the original trigger is gone.
The Most Common Causes
Ninety percent of people with tinnitus also have some degree of hearing loss. That’s the single biggest clue to what’s driving the ringing. The hearing loss can come from aging (a gradual decline that typically starts in your 30s and 40s), a single blast of dangerously loud sound, or years of cumulative noise exposure from concerts, headphones, power tools, or loud workplaces.
Beyond hearing loss, several other conditions can trigger or worsen tinnitus:
- Earwax buildup or ear infections can block the ear canal and change how sound is conducted, creating or amplifying ringing.
- Jaw joint (TMJ) disorders are a surprisingly common contributor. The joint sits right in front of each ear, and tension or misalignment there can produce tinnitus.
- Abnormal bone growth in the middle ear (otosclerosis) runs in families and interferes with how sound vibrations travel.
- Inner ear muscle spasms can cause ringing along with a feeling of fullness in the ear.
- Head and neck injuries can damage auditory nerves or the brain structures that process sound.
- Circulatory problems like high blood pressure can produce a rhythmic pulsing sound that matches your heartbeat.
Medications That Can Trigger Ringing
Certain drugs are known to be “ototoxic,” meaning they can damage hearing structures and cause tinnitus as a side effect. The ringing sometimes fades after stopping the medication, but not always. Classes most associated with this include high-dose aspirin and related pain relievers, certain antibiotics (particularly macrolides like azithromycin when used at high doses for extended periods), loop diuretics used for heart failure and kidney disease, some chemotherapy drugs, and certain biologic therapies used for autoimmune conditions.
If your ringing started or worsened after beginning a new medication, that timing is worth flagging to your doctor. Don’t stop a prescribed medication on your own, but the connection is important diagnostic information.
Do Caffeine, Alcohol, or Salt Make It Worse?
You’ll find plenty of advice online telling you to cut out caffeine and alcohol. The evidence for this is thin. The American Tinnitus Association notes there is very little scientific evidence that caffeine worsens tinnitus symptoms, and the same general principle applies to alcohol. Their recommendation is practical: if you notice caffeine or alcohol makes your ringing louder, reduce your intake. If it doesn’t, there’s no reason to give it up.
Salt is a different story for one specific group. If you have Ménière’s disease, a condition that causes episodes of vertigo, hearing loss, and tinnitus, there is a strong correlation between sodium intake and symptom flare-ups. A low-salt diet is a standard recommendation for Ménière’s patients. For everyone else, there’s no solid evidence linking sodium to tinnitus.
Two Types of Tinnitus
Most tinnitus is “subjective,” meaning only you can hear it. This is the type driven by neural hyperactivity in the brain and accounts for the vast majority of cases. A much less common form is “objective” tinnitus, where the sound is actually being produced by a physical structure near the ear, such as blood flowing through a narrowed vessel or a muscle contracting involuntarily. A doctor can sometimes hear objective tinnitus during an ear exam using a stethoscope.
The distinction matters because objective tinnitus often points to a specific, treatable mechanical cause, while subjective tinnitus is managed rather than cured.
When Ringing Is a Warning Sign
Most tinnitus is not dangerous, but certain patterns warrant prompt medical attention. Pulsatile tinnitus, a rhythmic whooshing or thumping that syncs with your heartbeat, needs evaluation. While most cases turn out to be benign venous hums, it can also signal blood vessel malformations, tumors near the ear, or narrowing of the carotid artery. Imaging with MRI or CT angiography is typically recommended.
Ringing in only one ear deserves attention too. Unilateral tinnitus is a common presenting sign of both vestibular schwannoma (a benign tumor on the hearing nerve) and Ménière’s disease. If asymmetric hearing loss is found alongside it, an MRI is usually ordered to rule out a growth.
Seek emergency care if your tinnitus arrives with sudden hearing loss in one or both ears, facial weakness or paralysis, severe vertigo, or follows a head injury. Sudden hearing loss paired with new tinnitus is treated as an emergency because early treatment within the first 24 to 48 hours significantly improves outcomes.
How Tinnitus Is Managed
There is no pill that cures tinnitus. Management focuses on reducing how much the ringing bothers you, and for most people, this works well over time. Your brain is remarkably good at learning to filter out constant background signals, a process called habituation. The goal of most treatments is to accelerate that process.
Sound therapy is one of the most widely used approaches. The idea is to add low-level background sound, like white noise, nature sounds, or gentle music, so your brain has something else to process alongside the tinnitus. The key detail: the sound should be set slightly below the volume of your tinnitus, not louder. Drowning out the ringing with a louder noise (masking) can provide temporary relief, but it tends to make the tinnitus seem louder when the masking stops and does nothing to promote long-term habituation. Wearable sound generators that produce a soft static-like hiss are available for daytime use, and many people use a fan, sound machine, or streaming app at night.
Cognitive behavioral therapy (CBT) targets the emotional and psychological distress that tinnitus causes, which for many people is the real problem. A study of 182 adults with chronic tinnitus found that after eight weeks of mindfulness-based cognitive therapy, 40% to 50% experienced significant improvements in both tinnitus-related distress and overall psychological distress. CBT doesn’t make the sound quieter, but it changes how your brain reacts to it, which often makes it far less intrusive.
If hearing loss is contributing to your tinnitus, hearing aids can help substantially. By restoring the missing sound input to your brain, they reduce the neural overcompensation that drives the ringing. Many modern hearing aids include built-in sound generators for additional tinnitus relief.
What You Can Do Right Now
If your ears have been ringing persistently, the most useful first step is a hearing test. Since 90% of tinnitus accompanies hearing loss, identifying whether your hearing has changed gives you and your audiologist a clear starting point. Protect the hearing you have: use earplugs or noise-canceling headphones in loud environments, and keep headphone volume below 60% of maximum.
At night, when tinnitus tends to feel loudest because of the quiet, try adding gentle background sound to your room. Stress, poor sleep, and fatigue reliably make tinnitus more noticeable, so managing those factors can reduce flare-ups even if they don’t address the root cause. Many people find their tinnitus fluctuates significantly from day to day, and understanding that variability is normal can itself reduce the anxiety that amplifies it.