^ Fuente A, Qiu W, Zhang M, Xie H, Kardous CA, Campo P, Morata TC (March 2018). "Use of the kurtosis statistic in an evaluation of the effects of noise and solvent exposures on the hearing thresholds of workers: An exploratory study" (PDF). The Journal of the Acoustical Society of America. 143 (3): 1704–1710. Bibcode:2018ASAJ..143.1704F. doi:10.1121/1.5028368. PMID 29604694.
The sound perceived may range from a quiet background noise to one that even is heard over loud external sounds. The specific type of tinnitus called pulsatile tinnitus is characterized by hearing the sounds of one's own pulse or muscle contractions, which is typically a result of sounds that have been created by the movement of muscles near to one's ear, or the sounds are related to blood flow in the neck or face.[8]
ASD is beginning to be recognised as a legitimate and discreet disorder, and can be readily misdiagnosed as TMD stemming from TMJ dysfunction. From a differential diagnosis perspective, TMJ dysfunction can lead to TTTS symptoms and escalate to TMD. While central pain sensitisation is common with TMD caused by TMJ dysfunction, the aural symptoms do not tend to escalate and hyperacusis is not usually present.
Speech perception is another aspect of hearing which involves the perceived clarity of a word rather than the intensity of sound made by the word. In humans, this is usually measured with speech discrimination tests, which measure not only the ability to detect sound, but also the ability to understand speech. There are very rare types of hearing loss that affect speech discrimination alone. One example is auditory neuropathy, a variety of hearing loss in which the outer hair cells of the cochlea are intact and functioning, but sound information is not faithfully transmitted by the auditory nerve to the brain.[22]
Hearing loss is an increasing concern especially in aging populations, the prevalence of hearing loss increase about two-fold for each decade increase in age after age 40.[29] While the secular trend might decrease individual level risk of developing hearing loss, the prevalence of hearing loss is expected to rise due to the aging population in the US. Another concern about aging process is cognitive decline, which may progress to mild cognitive impairment and eventually dementia.[30] The association between hearing loss and cognitive decline has been studied in various research settings. Despite the variability in study design and protocols, the majority of these studies have found consistent association between age-related hearing loss and cognitive decline, cognitive impairment, and dementia.[31] The association between age-related hearing loss and Alzheimer's disease was found to be nonsignificant, and this finding supports the hypothesis that hearing loss is associated with dementia independent of Alzheimer pathology.[31] There are several hypothesis about the underlying causal mechanism for age-related hearing loss and cognitive decline. One hypothesis is that this association can be explained by common etiology or shared neurobiological pathology with decline in other physiological system.[32] Another possible cognitive mechanism emphasize on individual's cognitive load. As people developing hearing loss in the process of aging, the cognitive load demanded by auditory perception increases, which may lead to change in brain structure and eventually to dementia.[33] One other hypothesis suggests that the association between hearing loss and cognitive decline is mediated through various psychosocial factors, such as decrease in social contact and increase in social isolation.[32] Findings on the association between hearing loss and dementia have significant public health implication, since about 9% of dementia cases can be attributed to hearing loss.[34]
Tinnitus is commonly thought of as a symptom of adulthood, and is often overlooked in children. Children with hearing loss have a high incidence of tinnitus, even though they do not express the condition or its effect on their lives.[112][113] Children do not generally report tinnitus spontaneously and their complaints may not be taken seriously.[114] Among those children who do complain of tinnitus, there is an increased likelihood of associated otological or neurological pathology such as migraine, juvenile Meniere's disease or chronic suppurative otitis media.[115] Its reported prevalence varies from 12% to 36% in children with normal hearing thresholds and up to 66% in children with a hearing loss and approximately 3–10% of children have been reported to be troubled by tinnitus.[116]

There is a growing body of evidence suggesting that some tinnitus is a consequence of neuroplastic alterations in the central auditory pathway. These alterations are assumed to result from a disturbed sensory input, caused by hearing loss.[26] Hearing loss could indeed cause a homeostatic response of neurons in the central auditory system, and therefore cause tinnitus.[27]
Acoustic qualification of tinnitus will include measurement of several acoustic parameters like frequency in cases of monotone tinnitus or frequency range and bandwidth in cases of narrow band noise tinnitus, loudness in dB above hearing threshold at the indicated frequency, mixing-point, and minimum masking level.[52] In most cases, tinnitus pitch or frequency range is between 5 kHz and 10 kHz,[53] and loudness between 5 and 15 dB above the hearing threshold.[54]
Look into biofeedback therapy for your tinnitus. If you are depressed, stressed, or fatigued, then you may be more susceptible to normal head sounds. Look into biofeedback therapy from a counselor who can help you to tune into the feelings and situations that cause or worsen your tinnitus. This may help you to stop tinnitus when it starts and prevent it from coming back.[2]
Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. Data sources include IBM Watson Micromedex (updated 10 Aug 2020), Cerner Multum™ (updated 3 Aug 2020), Wolters Kluwer™ (updated 10 Aug 2020) and others.

Often interventions to prevent noise-induced hearing loss have many components. A 2017 Cochrane review found that stricter legislation might reduce noise levels.[97] Providing workers with information on their noise exposure levels was not shown to decrease exposure to noise. Ear protection, if used correctly, can reduce noise to safer levels, but often, providing them is not sufficient to prevent hearing loss. Engineering noise out and other solutions such as proper maintenance of equipment can lead to noise reduction, but further field studies on resulting noise exposures following such interventions are needed. Other possible solutions include improved enforcement of existing legislation and better implementation of well-designed prevention programmes, which have not yet been proven conclusively to be effective. The conclusion of the Cochrane Review was that further research could modify what is now regarding the effectiveness of the evaluated interventions.[97]

^ Jump up to: a b Schecklmann, Martin; Vielsmeier, Veronika; Steffens, Thomas; Landgrebe, Michael; Langguth, Berthold; Kleinjung, Tobias; Andersson, Gerhard (18 April 2012). "Relationship between Audiometric Slope and Tinnitus Pitch in Tinnitus Patients: Insights into the Mechanisms of Tinnitus Generation". PLOS ONE. 7 (4): e34878. Bibcode:2012PLoSO...734878S. doi:10.1371/journal.pone.0034878. PMC 3329543. PMID 22529949.

Prolonged exposure to loud sound or noise levels can lead to tinnitus.[74] Ear plugs or other measures can help with prevention. Employers may use hearing loss prevention programs to help educate and prevent dangerous levels of exposure to noise. Groups like NIOSH and OSHA help set regulations to ensure employees, if following the protocol, should have minimal risk to permanent damage to their hearing.[75]
If your hearing loss is caused by a build-up of earwax, it will need to be removed. You may be able to have this done at your surgery by syringing. Warm water is flushed into your ear canal to remove the wax. But first the wax has to be softened by applying olive oil or almond oil drops, or drops containing sodium bicarbonate, for several days beforehand. You can buy these drops from your local pharmacy. In some cases, you may have to go to a specialist clinic to have wax removed by syringing or with microsuction.
Most people find that their tinnitus does seem to settle down after this initial period, even without doing anything in particular. You might hear this being referred to as habituation. It’s a bit like walking into a room with a noisy fan or air conditioner. Initially, it seems really loud and then after a while, you stop noticing it as much. Tinnitus can often be much the same – initially, it’s more noticeable but you gradually notice it less than you did. The first time you realise it’s in the background is a great moment – it confirms that there are times when it’s less noticeable, which means you should be able to keep doing the things that you enjoy doing.
Over-the-counter (OTC) hearing aids are a new category of regulated hearing devices that adults with mild-to-moderate hearing loss will be able to buy without a prescription. OTC hearing aids will make certain sounds louder to help people with hearing loss listen, communicate, and take part more fully in daily activities. OTC hearing aids are expected to become available in stores and online in the next few years.
Since most persons with tinnitus also have hearing loss, a pure tone hearing test resulting in an audiogram may help diagnose a cause, though some persons with tinnitus do not have hearing loss. An audiogram may also facilitate fitting of a hearing aid in those cases where hearing loss is significant. The pitch of tinnitus is often in the range of the hearing loss.
Prolonged exposure to loud sounds is the most common cause of tinnitus. Up to 90% of people with tinnitus have some level of noise-induced hearing loss. The noise causes permanent damage to the sound-sensitive cells of the cochlea, a spiral-shaped organ in the inner ear. Carpenters, pilots, rock musicians, street-repair workers, and landscapers are among those whose jobs put them at risk, as are people who work with chain saws, guns, or other loud devices or who repeatedly listen to loud music. A single exposure to a sudden extremely loud noise can also cause tinnitus.

If your child has not been born with hearing problems, it is most likely that their hearing loss is temporary. However, some children are born deaf. Each year in the UK, around 840 babies are born with permanent hearing loss. Your child will have a hearing test soon after they’re born (the Newborn Hearing Screening Programme ), so any problems with their hearing can be picked up early on.
A really easy way to relax is to find somewhere peaceful and just slow your breathing down (feel free to have some sound on in the background). You can take a few slow deep breaths and pay full attention to the feeling of the breath entering your body, filling your lungs and leaving your body. When we use deep breathing to relax, we feel calmer and more able to manage the tinnitus, and often don’t notice it as much!
Often interventions to prevent noise-induced hearing loss have many components. A 2017 Cochrane review found that stricter legislation might reduce noise levels.[97] Providing workers with information on their noise exposure levels was not shown to decrease exposure to noise. Ear protection, if used correctly, can reduce noise to safer levels, but often, providing them is not sufficient to prevent hearing loss. Engineering noise out and other solutions such as proper maintenance of equipment can lead to noise reduction, but further field studies on resulting noise exposures following such interventions are needed. Other possible solutions include improved enforcement of existing legislation and better implementation of well-designed prevention programmes, which have not yet been proven conclusively to be effective. The conclusion of the Cochrane Review was that further research could modify what is now regarding the effectiveness of the evaluated interventions.[97]
In addition to treating associated problems (such as depression or insomnia), there are several strategies that can help make tinnitus less bothersome. No single approach works for everyone, and you may need to try various combinations of techniques before you find what works for you. If you have age-related hearing loss, a hearing aid can often make tinnitus less noticeable by amplifying outside sounds.
Sensorineural causes of hearing loss involve the inner ear or brain and are usually, but not always, permanent. Implants and more invasive procedures may help to restore hearing. Birth defects (prenatal infection, injury during childbirth, and genetic disorders), infections particularly in childhood and age-related degeneration (presbycusis / presbyacusis) are more frequent causes of this type of hearing loss. Sudden, unilateral hearing loss may be related to conditions like a stroke.
The diagnosis of tinnitus is usually based on the person's description.[3] It is commonly supported by an audiogram and a neurological examination.[1][3] The degree of interference with a person's life may be quantified with questionnaires.[3] If certain problems are found, medical imaging, such as magnetic resonance imaging (MRI), may be performed.[3] Other tests are suitable when tinnitus occurs with the same rhythm as the heartbeat.[3] Rarely, the sound may be heard by someone else using a stethoscope, in which case it is known as objective tinnitus.[3] Occasionally, spontaneous otoacoustic emissions, sounds produced normally by the inner ear, may result in tinnitus.[6]
Typically, people describe acoustic shock as feeling like they have been stabbed or electrocuted in the ear. The symptoms are involuntary, unpleasant and frightening; they can range from mild to severe; and be of short, temporary duration or persistent. If symptoms persist, a range of emotional reactions including trauma, anxiety and depression can develop.

If you are referred to a specialist tinnitus clinic, and your tinnitus is particularly troublesome, you will be introduced to more formal or structured ways of managing tinnitus. Most centres use a combination of approaches. You may come across some terms before, or hear them when you get there, and it helps to have some understanding of what these terms are.

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ASD causes a specific and consistent pattern of neurophysiological and psychological symptoms. Initial symptoms include a severe startle reaction, often with a head and neck jerk, and a shock/trauma reaction with symptoms of disorientation, distress, shakiness, crying, headache, fatigue. A severe ASD can lead to Post Traumatic Stress Disorder (PTSD). Other symptoms can include pain/blockage/pressure/tympanic fluttering in the ear; pain/burning/numbness around the ear/jaw/neck; tinnitus, hyperacusis and phonophobia; mild vertigo and nausea; headache; and subjective muffled/distorted hearing. ASD generally does not result in a hearing loss, although if present it tends not to follow the typical high frequency pattern of a noise induced hearing injury but affects low and mid frequency sensorineural hearing (1, 2).
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Fluid accumulation is the most common cause of conductive hearing loss in the middle ear, especially in children.[2] Major causes are ear infections or conditions that block the eustachian tube, such as allergies or tumors.[2] Blocking of the eustachian tube leads to decreased pressure in the middle ear relative to the external ear, and this causes decreased motion of both the ossicles and the tympanic membrane.[3]

Assessment of psychological processes related to tinnitus involves measurement of tinnitus severity and distress (i.e., nature and extent of tinnitus-related problems), measured subjectively by validated self-report tinnitus questionnaires.[16] These questionnaires measure the degree of psychological distress and handicap associated with tinnitus, including effects on hearing, lifestyle, health and emotional functioning.[63][64][65] A broader assessment of general functioning, such as levels of anxiety, depression, stress, life stressors and sleep difficulties, is also important in the assessment of tinnitus due to higher risk of negative well-being across these areas, which may be affected by or exacerbate the tinnitus symptoms for the individual.[66] Overall, current assessment measures are aimed to identify individual levels of distress and interference, coping responses and perceptions of tinnitus in order to inform treatment and monitor progress. However, wide variability, inconsistencies and lack of consensus regarding assessment methodology are evidenced in the literature, limiting comparison of treatment effectiveness.[67] Developed to guide diagnosis or classify severity, most tinnitus questionnaires have been shown to be treatment-sensitive outcome measures.[68]

Audiologists recommend taking care of the conductive component first. There have been times when the addition of the conductive component made the person a better hearing aid candidate, by flattening out the audiogram for example, while the underlying sensorineural component presented a high-frequency loss. However, the emphasis would still be on treating medically what can be treated. Generally, you would expect positive results.
Brain aneurysm (cerebral aneurysm) is caused by microscopic damage to artery walls, infections of the artery walls, tumors, trauma, drug abuse. Symptoms include headache, numbness of the face, dilated pupils, changes in vision, the "worst headache of your life," or a painful stiff neck. Immediate treatment for a brain aneurysm is crucial for patient survival.
Subjective tinnitus is the most frequent type of tinnitus. It may have many possible causes, but most commonly it results from hearing loss. When the tinnitus is caused by disorders of the inner ear or auditory nerve it is called otic (from the Greek word for ear).[23] These otological or neurological conditions include those triggered by infections, drugs, or trauma.[24] A frequent cause is traumatic noise exposure that damages hair cells in the inner ear.

▶ If inner ear disorders is due to an infection, then medications are prescribed to control or manage the symptoms of the infection. In case the infection is due to a bacterial infection, antibiotics are prescribed to clear it up. For people who are suffering from vertigo due to inner ear disorders, vestibular therapy is often recommended, and is highly effective.
If your hearing loss is caused by a build-up of earwax, it will need to be removed. You may be able to have this done at your surgery by syringing. Warm water is flushed into your ear canal to remove the wax. But first the wax has to be softened by applying olive oil or almond oil drops, or drops containing sodium bicarbonate, for several days beforehand. You can buy these drops from your local pharmacy. In some cases, you may have to go to a specialist clinic to have wax removed by syringing or with microsuction.
In the United States hearing is one of the health outcomes measure by the National Health and Nutrition Examination Survey (NHANES), a survey research program conducted by the National Center for Health Statistics. It examines health and nutritional status of adults and children in the United States. Data from the United States in 2011-2012 found that rates of hearing loss has declined among adults aged 20 to 69 years, when compared with the results from an earlier time period (1999-2004). It also found that adult hearing loss is associated with increasing age, sex, race/ethnicity, educational level, and noise exposure.[111] Nearly one in four adults had audiometric results suggesting noise-induced hearing loss. Almost one in four adults who reported excellent or good hearing had a similar pattern (5.5% on both sides and 18% on one side). Among people who reported exposure to loud noise at work, almost one third had such changes.[112]

^ Jump up to: a b c Han BI, Lee HW, Kim TY, Lim JS, Shin KS (March 2009). "Tinnitus: characteristics, causes, mechanisms, and treatments". Journal of Clinical Neurology. 5 (1): 11–19. doi:10.3988/jcn.2009.5.1.11. PMC 2686891. PMID 19513328. About 75% of new cases are related to emotional stress as the trigger factor rather than to precipitants involving cochlear lesions.

Tinnitus is very common and is reported in all age groups, even young children. About 30% of people will experience tinnitus at some point in their lives but the number of people who live with persistent tinnitus is approximately 13% (over 1 in 8). Tinnitus is more common in people who have hearing loss or other ear problems, but it can also be found in people with normal hearing.

Most people do experience some form of ringing in their ears especially in quiet settings. Most tinnitus results from conditions that cause hearing loss. Stress, fatigue and physical exertion may worsen the ringing in the ears. Managing daily stress well, taking care of your body through good nutrition and exercise, avoiding exposure to loud noises should help to minimize ringing in your ears. Also, try using some sort of white noise device such as an air filter, special noise machine, peaceful nature sounds, or music.
The best supported treatment for tinnitus is a type of counseling called cognitive behavioral therapy (CBT) which can be delivered via the internet or in person.[5][68][82] It decreases the amount of stress those with tinnitus feel.[83] These benefits appear to be independent of any effect on depression or anxiety in an individual.[82] Acceptance and commitment therapy (ACT) also shows promise in the treatment of tinnitus.[84] Relaxation techniques may also be useful.[3] A clinical protocol called Progressive Tinnitus Management for treatment of tinnitus has been developed by the United States Department of Veterans Affairs.[85]

This is a very structured approach to managing tinnitus. Basically, TRT assumes that the tinnitus has been prioritised as an important signal. TRT uses sounds at a particular level to try to reduce the priority of the tinnitus so that you no longer hear it. It is based on the idea that we can get used to sounds, e.g. the sound of the fridge or air conditioner, so we can also get used to this sound of tinnitus. The process of getting used to the tinnitus sound is called habituation. TRT uses sound generators and counselling to attempt to retrain how the brain processes sound so that you habituate to the tinnitus. Most people working in the tinnitus field will use elements of TRT but the strict method is not frequently used because there is limited evidence for its effectiveness.
If there is a change in the system, for example, a hearing loss or ear infection, the amount of information being sent to the brain changes. The brain then responds to this change in levels by trying to get more information from the ear, and the extra information you may get is the sound we call tinnitus. The tinnitus is therefore actually brain activity and not the ear itself! It is generally accepted that it isn’t only a change in the ear that can result in tinnitus, but it could be due to a change in our stress levels, for example, with tinnitus being noticed after periods of significant stress, a change in life circumstances or general wellbeing.
Hearing loss is a partial or total inability to hear.[5] Hearing loss may be present at birth or acquired at any time afterwards.[6][7] Hearing loss may occur in one or both ears.[2] In children, hearing problems can affect the ability to learn spoken language, and in adults it can create difficulties with social interaction and at work.[8] Hearing loss can be temporary or permanent. Hearing loss related to age usually affects both ears and is due to cochlear hair cell loss.[9] In some people, particularly older people, hearing loss can result in loneliness.[2] Deaf people usually have little to no hearing.[6]
Try the skull-thumping trick. If you're coming home from a concert or a club, and your ears won't stop ringing, it's because you've damaged some of the little hairs in your cochlea, which causes inflammation and stimulation of nerves. Your brain interprets this inflammation as constant ringing or buzzing, and this trick can help make that annoying sound go away.
When there does not seem to be a connection with a disorder of the inner ear or auditory nerve, the tinnitus is called nonotic (i.e. not otic). In some 30% of tinnitus cases, the tinnitus is influenced by the somatosensory system, for instance, people can increase or decrease their tinnitus by moving their face, head, or neck.[25] This type is called somatic or craniocervical tinnitus, since it is only head or neck movements that have an effect.[23]
Some medications may reversibly affect hearing. These medications are considered ototoxic. This includes loop diuretics such as furosemide and bumetanide, non-steroidal anti-inflammatory drugs (NSAIDs) both over-the-counter (aspirin, ibuprofen, naproxen) as well as prescription (celecoxib, diclofenac, etc.), paracetamol, quinine, and macrolide antibiotics.[63] Others may cause permanent hearing loss.[64] The most important group is the aminoglycosides (main member gentamicin) and platinum based chemotherapeutics such as cisplatin and carboplatin.[65][66]

Ringing/buzzing/humming/ringing are all called tinnitus. The best things you can do are A) avoid loud noise exposure, as noise exposure can make it worse, B) limit your salt and caffeine intake, as both of these have been linked with tinnitus, C) avoid silent environments (i.e. sleep with a fan/radio/podcast on, do homework while listening to music, etc). While there is no cure for tinnitus and no way to make it vanish completely, avoiding loud noise exposure and using gentle background noise are the recommended "treatments."

As of 2018 there were no medications effective for idiopathic tinnitus.[3][74][94] There is not enough evidence to determine if antidepressants[95] or acamprosate are useful.[96] There is no high-quality evidence to support the use of benzodiazepines for tinnitus.[3][94][97] Usefulness of melatonin, as of 2015, is unclear.[98] It is unclear if anticonvulsants are useful for treating tinnitus.[3][99] Steroid injections into the middle ear also do not seem to be effective.[100][101] There is no evidence to suggest that the use of betahistine to treat tinnitius is effective.[102]
Loud noises: Loud noises are a leading cause. It could be something you hear every day for years, or something that only happens once. That includes everything from concerts and sporting events to loud machinery and backfiring engines. They can affect one or both ears, and they may cause hearing loss and pain. The damage can be permanent or temporary.
The ear is one of the most vital sensory organs of the human body. It comprises three major parts: the outer ear, middle ear and inner ear. The outer ear includes the pinna and ear canal. It is separated from the middle ear by an eardrum. The middle ear is an air-filled space present behind the eardrum. The inner ear consists of a system of canals and fluid-filled tube-like structures called labyrinth. There may be various problems associated with the inner ear, which can lead to problems in hearing and balance.
It is not a disease or illness; it is a symptom generated within the auditory system and usually caused by an underlying condition. The noise may be in one or both ears, or it may feel like it is in the head. It is difficult to pinpoint its exact location. It may be low, medium or high pitched and can be heard as a single noise or as multiple components.

With the identification of ASD, output limiters in headset equipment have been developed to restrict maximum volume levels transmitted down a telephone line. However, ASD continues to occur despite their use. In my opinion, they are of benefit primarily to help reduce the probability of an initial acoustic incident exposure. The dominant factors of an acoustic incident leading to ASD appear related to the sudden onset, unexpectedness and impact quality of loudish sounds outside the person's control near to the ear(s), rather than to high volume levels alone. If TTTS develops, because of the vulnerability of further escalation to acoustic incidents at lower volume levels, it is impossible to give a 100% guarantee of protection.
An outer ear infection is sometimes called swimmer’s ear. That’s because it often starts as a result of water that remains in your ear after swimming or bathing. The moisture becomes a breeding ground for bacteria. If your outer ear is scratched or if you irritate the outer lining of your ear by putting your fingers or other objects in your ear, a bacterial infection can occur.

Hyperacusis escalation is common with ASD so that an increasing range of sounds become intolerable, with a corresponding escalation in TTTS symptoms, potentially leading to TMD. For this reason, a detailed history is essential in tracking the order of development and escalation of symptoms, and their relationship to acoustic incidents/headset use, prior to making a responsible and considered diagnosis of ASD.

Call centre staff using a telephone headset are vulnerable to ASD because of the increased likelihood of exposure, close to their ear(s), to an acoustic incident randomly transmitted via the telephone line. In the early 1990s, co-inciding with the rapid growth of call centres in Australia, increasing numbers of employees were reporting acoustic shock symptoms (2). A similar pattern was being noticed overseas (3, 4).
Acute infections are mainly due to bacteria but persistent ear itching may be related to  a fungal infection. This is known as otomycosis and most cases are due to the Aspergillus spp of fungi, with the Candida spp causing a minority of fungal ear infections. Ear discharge (purulent) with pain, swelling and redness tends to occur in bacterial infections along with the itching. With fungal infections, a persistent itch and watery discharge (serous), which is often referred to as ‘water in the ears’, are more frequently present.
During the exposure, most people will experience discomfort and pain. After the exposure, some people might report shock, nausea and anxiety or depression.[2] Headache, fatigue, hypersensitivity to loud noise and tinnitus may continue for days, weeks or indefinitely.[3] It has not been established how such unrelated symptoms might be caused by an acoustic exposure, or whether such symptoms are even a direct result of exposure.[4] There is literature that suggests acoustic shock is not a pathological entity but predominately psychogenic.[5]

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Tinnitus (pronounced tin-NY-tus or TIN-u-tus) is not a disease. It is a symptom that something is wrong in the auditory system, which includes the ear, the auditory nerve that connects the inner ear to the brain, and the parts of the brain that process sound. Something as simple as a piece of earwax blocking the ear canal can cause tinnitus. But it can also be the result of a number of health conditions, such as: