Is Tinnitus a Sign of Hearing Loss? Understanding the Connection
Tinnitus is a common condition affecting one or both ears. A person with tinnitus may hear “phantom” sounds with no external source. Tinnitus is the perception of a noise, such as ringing, buzzing, or hissing, in the ears when no external sound is present. It can be perceived in one ear, in both ears or inside the head. Tinnitus can be perceived as constant or intermittent.
Although not medically serious in most cases, tinnitus can be frustrating, affecting mood, sleep and focus. Severe cases can lead to depression or anxiety.
The repetitive internal noises of tinnitus can vary in volume and pitch, from a high-frequency ring or chirp to a low-pitched roar or hum, and may also include random buzzing, whistling, clicking or squealing. In rare cases, tinnitus is perceived as more of a rhythmic pulsation, which often correlates with the heartbeat and can be heard by a physician using a stethoscope.
Causes and Risk Factors
The precise causes of tinnitus are unknown, but may include excessive noise exposure, ototoxic medications, ear infections, earwax blockage, head or neck injuries and certain medical diseases or chronic conditions. Tinnitus can be caused by many factors, and not all factors are known. Common causes are related to ear or hearing problems including:
- Age-related hearing loss
- Exposure to loud sounds
- Ear infections
- Earwax buildup
- Medications that cause damage to the hearing organs (also known as ototoxic).
Other relevant causes are:
- Head or neck injuries
- Acoustic neuromas (also known as vestibular schwannoma, a benign tumour on the vestibular nerve)
- Muscle tensions in the neck or jaw
- Stress and emotional trauma
- Certain medical conditions like Ménière’s disease.
In rare cases tinnitus can be caused by sounds that are generated inside the body.
The most important risk factor for tinnitus is hearing loss. Tinnitus is in most of cases associated with hearing loss, especially age-related or sound-induced hearing loss. Protecting the ears from loud sounds is highly effective at preventing hearing loss and reduces the risk to develop tinnitus.
Smoking, alcohol consumption, obesity and coffee drinking and/or caffeine intake are examples of lifestyle-related risk factors thought to be related to tinnitus; however, there is no clear consensus on the nature of the relationship, or the extent to which they can influence a person’s tinnitus. It is always worth consulting with your physician to see if any dietary changes are appropriate for you and your lifestyle.
Prolonged or intense exposure to loud noises can cause noise-induced hearing loss as well as tinnitus. Research has shown that individuals with significant noise exposure, such as musicians or industrial workers, are more likely to experience tinnitus.
Exposure to loud sounds can damage the hair cells in the inner ear, which can lead to hearing loss and, in some cases, tinnitus. The extent of the damage depends on the noise level and the duration of exposure, and it can be temporary or permanent.
Age and Tinnitus
The prevalence of tinnitus increases with age. This is partly explained by the fact that hearing loss, which the occurrence of tinnitus is associated with, also increases as a result of the natural ageing process (also referred to as presbycusis).
Tinnitus itself does not cause hearing loss but can be associated with damage to the hearing system.
The Connection Between Tinnitus and Hearing Loss
There is a strong correlation between tinnitus and hearing loss, although not all people with hearing loss develop tinnitus. Numerous studies have examined the relationship between tinnitus and hearing loss.
When you experience hearing loss, your brain receives less auditory input. This reduction in stimulation can cause changes in how the brain processes sound. In order to compensate, your brain might increase its sensitivity.
Another factor that could explain the connection between hearing loss and tinnitus is neuroplasticity, which refers to the brain's ability reorganize how it works, often in response to an injury or change in function. However, these adaptations can cause unwanted side effects.
The term hidden hearing loss refers to hearing loss that is not detectable on standard hearing tests. Most cases of hearing loss occur due to damage of the hair cells of the inner ear and/or the auditory nerve.
Tinnitus may also follow the pattern of a person's hearing loss. For example, if you have high-frequency hearing loss, your tinnitus may be more likely to be perceived as a high-pitched sound. People with more severe hearing loss may exhibit more severe tinnitus symptoms. However, it's important to note that those patterns do not always hold true. Sometimes people with unilateral hearing loss still experience tinnitus centrally or in both ears.
Dr. "Most theories surmise that damage along the auditory pathways from the ear to the cortical areas of hearing in the brain are involved in tinnitus, thus leading to a strong relationship between tinnitus and hearing loss," said Dr.
Diagnosis and When to Seek Help
To identify potential physical causes such as earwax, fluid from an infection or medications, it’s best to visit a primary care physician first. Following that, an ear, nose and throat doctor (ENT or otolaryngologist) can conduct a more in-depth exam and order imaging tests if pulsatile tinnitus is suspected.
Yes, a doctor can help determine the cause and suggest appropriate treatments. While tinnitus is in most cases benign, it can in rare circumstances indicate a more serious condition, such as vestibular schwannoma (a benign tumour on the vestibular nerve) or Ménière’s disease. If you experience sudden tinnitus, dizziness or hearing loss, you should see a doctor.
You may not need to seek help if you only experience symptoms, sporadically. tinnitus. A hearing test can help assess whether or not your tinnitus is related to hearing loss. If it is, your hearing specialist can help you find the right pair of hearing aids.
Management and Treatment Options
Unfortunately, most cases of chronic tinnitus are not curable, although there are various ways to manage this condition and ease its effects. An ENT or audiologist may suggest sound therapies and generators, hearing aids or cochlear implants, counseling, behavioral therapy, cognitive retraining, acoustic neural stimulation or antianxiety/antidepressant medications. Exciting research is being conducted around the country to investigate the causes of tinnitus and develop more advanced, effective approaches. Among the current research topics are different ways to stimulate the brain and targeting treatments to individuals based on personalized profiles via brain imaging data.
There is no definitive cure for tinnitus, but there exist various treatments and strategies that can reduce tinnitus severity including:
- Tinnitus counselling
- Cognitive-behavioural therapy (CBT)
- Use of hearing aids and cochlear implants
- Therapies such as tinnitus retraining therapy (TRT) and sound therapy
- Neuromodulation (electrical or magnetic stimulation of the nervous system)
- Stress management
At this time no pharmacological treatments have been shown to be effective for the management or resolution of tinnitus.
Hearing aids can be effective for some people with tinnitus and hearing loss. They amplify external sounds, making tinnitus less noticeable and improving overall hearing.
While it can be difficult, Dr. "Most people with persistent tinnitus can habituate to it and learn not to hear it. If you are struggling with your tinnitus symptoms, visit our directory to find a hearing specialist or audiologist that specializes in tinnitus near you.
Practical Strategies for Tinnitus Management
Helpful strategies for tinnitus management aim to focus attention away from tinnitus (e.g. concentrating on work or any other activity) and to reduce the emotional reaction to tinnitus. Current research indicates that there is an association between stress and tinnitus, however there is not a clear causal link. Stress management techniques such as relaxation exercises, mindfulness and cognitive behavioural therapy CBT can help reduce its impact.
In addition to hearing aids, treatments like sound therapy, cognitive behavioral therapy and finding ways to manage your stress levels can all help reduce tinnitus.
Susan Bianco, an 87-year-old from Lancaster, realized she was losing her hearing when she found herself constantly asking her husband to repeat himself. “It’s very hard to hear in a crowd,” she says. She’s also among the 10% with tinnitus - a ringing in the ears often linked with hearing loss.
Susan Bianco of Lancaster, left, is fitted with hearing aids by Dr. Jackie Price, an audiologist at Penn State Health Otolaryngology - Head and Neck Surgery, as she begins treatment for tinnitus, a symptom of hearing loss.
Lifestyle Adjustments for Better Sleep
Many people with tinnitus experience difficulties falling asleep. To manage these issues several strategies can be helpful:
- Relaxation techniques: techniques such as deep breathing, meditation, or progressive muscle relaxation can reduce stress and promote better sleep;
- Sound therapy: using soothing sounds can mask the tinnitus, making it easier to fall asleep. White noise sounds from a sound pillow (a pillow with an integrated speaker), or earphones can be effective in alleviating the perception of tinnitus; and
- Sleep hygiene: maintaining a regular sleep-wake schedule is crucial. It is also important to avoid stimulants such as coffee and alcohol in the evening, as well as heavy exercise close to bedtime.
Prevention
Protecting the ears from loud sounds is highly effective at preventing hearing loss and reduces the risk to develop tinnitus. Protect your ears from loud noise: Use hearing protection when noise exceeds 85 decibels. “I counsel people to wear hearing protection when they’re mowing grass instead of listening to music through earbuds,” Price says. Choose the right earplugs or earmuffs: Buy earplugs or earmuffs with a Noise Reduction Rating of at least 22 decibels. This number, listed on the product package, tells you how much sound the product will eliminate. “Take a foam earplug between your two fingers and smoosh it down and roll it,” Price explains.
Can Tinnitus Resolve on Its Own?
Tinnitus may resolve on its own if caused by temporary factors, such as an ear infection or short-term exposure to loud noise. Occasionally, tinnitus may be caused by blockage of the ear canal by earwax. In such cases, wax removal can alleviate it. Chronic tinnitus, on the other hand, is less likely to go away, though it can be managed effectively. There are also documented cases where tinnitus has disappeared, even after many years of being chronic.