Ear diseases
Ear diseases are the most common cause of tinnitus. Conductive tinnitus can occur when foreign bodies in the ear, inflammation and swelling are blocked, eardrum congestion, tinnitus, perforation, middle ear effusion or infection, otosclerosis and other symptoms appear. This kind of tinnitus is characterized by unilateral, that is, tinnitus occurs on one side of the lesion, with a low and rhythmic tone, such as "rumbling" and "rumbling".
neurosism
Tinnitus is not only related to ear diseases, but also related to some social environment and psychological factors. People also have tinnitus when they are depressed and anxious. Nervous patients often have tinnitus, which is divided into high and low levels, mostly bilateral, accompanied by symptoms such as headache, dizziness, insomnia and dreaminess.
Neck disease
When cervical tumor or cervical spondylosis occurs, the carotid artery is compressed, resulting in insufficient blood supply to the brain and tinnitus symptoms on the compression side. This kind of tinnitus is characterized by persistence and low tone, and the degree of tinnitus can change with the change of body position.
drug intoxication
The use of some antibiotics, such as gentamicin, streptomycin, kanamycin and so on. It is toxic to human auditory nerve and vestibular nerve. Tinnitus can appear in the early stage, and it is often high and bilateral. If the drug is not stopped in time, it can rapidly develop into deafness, and it is difficult to reverse.
Noise damage
When people are exposed to short-term strong noise or long-term repeated noise stimulation, they will have hearing loss, accompanied by tinnitus and dizziness, and even auditory hallucinations and neurasthenia in severe cases.