1. There are two kinds of drugs causing tinnitus. One kind of drugs only causes tinnitus without causing hearing loss, such as some anticancer drugs, anticonvulsant drugs, antibacterial drugs, narcotic analgesics, etc.; the other kind of drugs not only causes tinnitus, but also causes hearing loss or even total deafness. Such as anticancer drugs, aminoglycoside antibiotics and antiparasitic drugs.
Second, we all share the same experience of noise. If we hear a loud noise suddenly, there will be a long reverberation in our ears. This is that the external noise temporarily damages people’s auditory nerve. Those who work in noisy environment for a long time, such as tractor and car drivers, traffic police, gun saluters, staff of singing and dancing hall, long-term meeting participants, and operators of all kinds of equipment, are the victims of noise. The long-term noise stimulation, most of the time, causes inner ear nerve injury. Generally speaking, noise exceeding the safety noise standard (85-90db) may cause tinnitus and deafness. But for the same intensity of noise, there are individual sensitivity differences, only the sensitive people are injured or the degree of injury is more serious.
3. External ear and middle ear diseases such as cerumen, foreign body, tumor or inflammation may cause tinnitus when the external ear canal is blocked or the tympanic membrane is touched; vascular malformation and pathological changes of middle ear may also cause tinnitus. Through the examination and treatment of otologists, most of these tinnitus can be cured.
4. The most common diseases of inner ear and auditory nerve center are sudden deafness (the disease needs to be treated in time within one week, which may cause irreversible hearing loss), Meniere’s disease (the symptoms of tinnitus may be ignored by vertigo, vomiting, etc.), acoustic neuroma (mainly depending on surgery), otosclerosis, etc.
5. The incidence of tinnitus in people over 60 years old is as high as 30%. The main reason is the degeneration of the auditory nervous system with the increase of age.
6. Vascular malformation or blood flow cause irregular blood flow to the brain and inner ear due to such blood vessels or blood causes, or vascular murmur caused by abnormal blood vessels in the neck and cranial cavity is transmitted to the ear, resulting in tinnitus. Common diseases include: vascular malformation, hypertension, arteriosclerosis, etc.
7. Mental stress factors such tinnitus is often caused by mental tension, often accompanied by dizziness, insomnia, backache, fatigue, etc. In modern society, the incidence of tinnitus among white-collar workers and office workers is increasing.
8. Head injury, the first of which is temporal bone injury.
9. Systemic diseases such as anemia, hypertension, diabetes, coronary heart disease, cervical spondylosis, hypothyroidism, hypoglycemia, endocrine disorders, autoimmune diseases, vasospasm, etc. may be accompanied by tinnitus.
10. Tinnitus, which accounts for about 40% of the tinnitus population, is not a disease and is annoying. Although tinnitus is still a difficult and difficult disease to deal with in otorhinolaryngology, it can still get considerable curative effect as long as the doctors and patients cooperate and prevent the disease in advance.
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