The perception of a ringing sound within both or one ear or within the head is known as tinnitus. Tinnitus is not the disease but is the symptom. Noise induced hearing loss is the most common cause of tinnitus. Less common causes include ear infections, foreign objects inside the ear, exposure to long-term or short loud noise, and nasal allergies that induce wax build-up or prevent fluid drain. Tinnitus is generally provoked by devices which directly introduce sound into the ear canal, when levels of volume are very loud.
Natural hearing impairment connected to aging could also result in tinnitus, and the sign could accompany genetic (congenital) hearing loss. Some medications can bring about tinnitus as a side effect. Benzodiazepine withdrawal has been known to bring about tinnitus.
Tinnitus is known as a subjective phenomenon since it cannot be measured utilizing objective tests. The relative severity of the condition will depend on subjective things such as how much it impacts a patient?s every day activities and sleep. It could be rated clinically on a scale from ?slight? to ?catastrophic?.
Tinnitus is particularly common between the ages of 55 and 65. Roughly 20 percent of people in that particular age group report indications of tinnitus.
Characteristics
The signs of tinnitus could be intermittent or continuous. Usually, sufferers would describe tinnitus as a ringing sound. It could also be perceived as a high-pitched buzzing, whining, humming, whistling or hissing sound. Some individuals report a ticking, clicking or roaring sound. Some sufferers hear beeping, tunes, wooshing, sizzling, or noises that sound like voices of humans. Movements within the head, shoulders, jaw or eyes could cause the intensity to change for several individuals.
Some degree of hearing loss is common for tinnitus patients. The symptoms may impact the person?s ability to discern clear outside sounds which happen upon the same sound frequencies as their tinnitus sounds. Some specialists speculate that tinnitus may be a homeostatic response of auditory neurons which makes them hyperactive to compensate for loss of auditory input.
The symptoms can be experienced as a quiet background noise. In cases which are more severe, tinnitus sounds could be heard over outside sounds, even loud ones. Tinnitus is more common in countries that are industrialized where damage to hearing from exposure to unnatural levels of noise is widespread. If tinnitus is continuous, it could result in tiredness, irritability, musical hallucinations and despair.
When the professional diagnoses tinnitus, they will try to rule out potential sources of the sounds first. Individuals who exhibit tinnitus symptoms might sometimes be diagnosed with a condition called Radio Frequency (RF) Hearing. This can cause high-pitched transmission frequencies which mimic tinnitus. Sound signal transmissions and electromagnetic fields emit high-pitched noises which are within the range of some people?s perception.
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Source: http://articlepdq.com/health-fitness/the-most-common-cause-of-tinnitus/
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