That ringing, buzzing, or hissing you hear when no actual sound is present is called tinnitus. It affects roughly 14% of adults worldwide, more than 740 million people, and about 2.3% experience it severely enough to disrupt daily life. Tinnitus isn’t a disease itself but a symptom, usually tied to changes in how your brain processes sound.
What’s Happening Inside Your Ear and Brain
Most people assume tinnitus starts in the ear, and it often does, but the phantom sound you hear is actually generated by your brain. When the tiny hair cells in your inner ear become damaged (from noise, aging, or other causes), they send fewer signals to the auditory areas of the brain. Your brain responds by turning up its own volume, increasing the spontaneous electrical activity in neurons that normally only fire when real sound arrives. That amplified neural activity is what you perceive as ringing.
Researchers describe this as maladaptive plasticity. Your central nervous system is trying to compensate for reduced input by boosting the sensitivity of its connections. The problem is that this boost also amplifies background neural “noise,” creating a sound percept with no external source. Brain imaging studies show increased synchronization of neural firing in the auditory cortex of people with tinnitus, along with reorganization of the brain’s frequency maps. The louder someone perceives their tinnitus, the stronger this abnormal activity tends to be.
Tinnitus also reaches beyond the hearing centers. Brain networks involved in attention, memory, and emotion show altered connectivity in people with persistent tinnitus, which helps explain why it can affect concentration, sleep, and mood even when the perceived volume is relatively low.
The Most Common Causes
Noise exposure is the single biggest driver. Sounds above 85 decibels (roughly the level of heavy city traffic or a loud restaurant) become hazardous over an eight-hour period, and for every 3-decibel increase, the safe exposure time drops by half. A rock concert at 100 dBA can begin damaging hearing in under 15 minutes. The injury typically shows up first at higher frequencies (3,000 to 6,000 Hz), which is why many people notice a high-pitched tone.
Age-related hearing loss is the other major contributor. As hearing gradually declines, especially in later decades, the brain’s compensatory volume increase can trigger tinnitus. Many people with tinnitus don’t realize they have measurable hearing loss because the deficit may be subtle or limited to frequencies outside normal conversation.
Several common medications can also cause or worsen ringing in the ears. High-dose aspirin, certain antibiotics (particularly macrolides like azithromycin taken long-term at high doses), some chemotherapy drugs, and loop diuretics used for heart failure or kidney disease are known offenders. Newer biologic medications, increasingly prescribed for conditions ranging from melanoma to autoimmune disorders, are also emerging as a concern. If tinnitus appears shortly after starting a new medication, that connection is worth flagging with your prescriber.
Other causes include earwax buildup, jaw joint problems, head or neck injuries, and conditions like Meniere’s disease that affect fluid pressure in the inner ear.
Subjective vs. Pulsatile Tinnitus
The vast majority of tinnitus is subjective, meaning only you can hear it. It might sound like ringing, buzzing, whistling, or hissing, and it varies in pitch and volume from person to person.
A less common type is objective or pulsatile tinnitus, where the sound beats in rhythm with your heartbeat. This version is caused by actual physical sound near the ear, usually turbulent blood flow through vessels in or around the skull. In rare cases, it can also come from tiny muscle spasms in the middle ear, which produce a clicking sound. Pulsatile tinnitus is uncommon, but it deserves attention because it can sometimes signal vascular abnormalities, certain tumors, or elevated pressure inside the skull. UK clinical guidelines recommend that everyone with pulsatile tinnitus be offered imaging to rule out serious underlying causes, and most clinicians in the US follow a similar approach. If your tinnitus pulses with your heartbeat, especially on one side only or alongside headaches, vision changes, or neurological symptoms, getting it evaluated promptly is important.
How Tinnitus Is Managed
There is no pill that cures tinnitus, but several strategies can significantly reduce how much it bothers you.
Hearing Aids
If you have any degree of hearing loss, hearing aids are often the first recommendation. By restoring the sound input your brain has been missing, they reduce the neural overcompensation that produces tinnitus. Many people find their tinnitus fades into the background once their hearing is corrected, even partially.
Sound Therapy
Using background noise to “mask” tinnitus is one of the simplest and most accessible tools. White noise machines, fan sounds, or nature recordings can make tinnitus less noticeable, especially at bedtime when quiet environments make ringing more prominent. A 2017 study comparing different types of background noise found that white, pink, and brown noise were all equally effective at reducing tinnitus perception, with no measurable advantage to any one type. That said, two-thirds of participants preferred white noise. The best option is whichever one you find most comfortable and are willing to use consistently.
Cognitive Behavioral Therapy
CBT is the most studied psychological treatment for tinnitus, typically delivered over 6 to 20 sessions either in person, in groups, or through digital platforms. It doesn’t change the sound itself but works on the thoughts and emotional reactions surrounding it. Research consistently shows it reduces tinnitus-related distress, improves coping, and lowers anxiety and depression scores. Some studies find CBT outperforms simpler educational approaches in coping and subjective improvement, while others show comparable results. The format appears flexible: online and app-based versions have shown benefits similar to in-person sessions, making it more accessible than it once was.
Diet, Caffeine, and Alcohol
You may have heard that cutting caffeine, alcohol, or salt can help tinnitus. This advice is widespread, but a Cochrane review (the gold standard for evaluating medical evidence) found zero randomized controlled trials supporting the restriction of any of these substances for tinnitus or related inner ear conditions. The review concluded that this intervention is “widely recommended to patients without any proven benefit or clear understanding of any potential harms.” Some individuals do notice that caffeine or alcohol worsens their symptoms on a given day, and paying attention to personal patterns is reasonable. But there’s no scientific basis for strict dietary restrictions as a tinnitus treatment.
Protecting Your Hearing Going Forward
If you already have tinnitus, preventing further hearing damage is the most concrete thing you can do to keep it from getting worse. A practical rule of thumb from NIOSH: if you have to raise your voice to talk to someone at arm’s length, the noise around you is likely hazardous. Foam earplugs, which cost almost nothing, reduce exposure by 15 to 30 decibels and make a meaningful difference at concerts, sporting events, or when using power tools. Custom-fitted musician’s earplugs reduce volume more evenly across frequencies, preserving sound quality while protecting your ears.
For headphone and earbud use, keeping volume at or below 60% of maximum and taking breaks every hour is a widely cited guideline. Noise-canceling headphones can help by reducing the temptation to crank volume over background noise.
When Ringing Needs Prompt Attention
Most tinnitus is not dangerous, but certain patterns warrant faster evaluation. Tinnitus that pulses with your heartbeat, appears suddenly in one ear only, or accompanies hearing loss, dizziness, facial weakness, or headaches could point to something that needs treatment. Pulsatile tinnitus in particular can be associated with vascular malformations or elevated intracranial pressure, conditions where imaging can identify the cause and guide treatment. Tinnitus that begins after a head injury also deserves medical review. For the more typical steady ringing in both ears, scheduling an audiologist visit is a reasonable first step to check for hearing loss and discuss management options.