Tinnitus refers to the abnormal sound sensation that people produce without any external stimuli. It is often a precursor to deafness and is caused by hearing disorders.
Many people may have experienced tinnitus, but they don’t necessarily know what tinnitus is.Tinnitus means that some people hear noise in their ears, but in fact there is no noise outside.In other words, tinnitus is a phenomenon in which some people feel the sound in their ears.Tinnitus is a symptom and cannot be regarded as a disease. If it is short-term tinnitus without deafness or dizziness, it is often a physiological phenomenon.
But tinnitus is often one of the common symptoms of otology, neurology, internal and surgical diseases.Most tinnitus is caused by ear diseases, such as disorders of the outer ear, middle ear, inner ear and even the auditory center.A few are caused by systemic diseases, such as: blood vessel, blood, endocrine, kidney and other diseases.There are two main types of tinnitus, subjective tinnitus and objective tinnitus.At present, the cause of most tinnitus is not very clear. In addition to some organic changes, mental and psychological factors can also become factors that cause tinnitus and aggravate symptoms.
These factors can cause tinnitus:
1. Endocrine disorders: Menopausal women often complain of tinnitus, but their hearing tests are normal.In addition to tinnitus, they also have some unexplainable symptoms, such as tinnitus when they touch their ears or tap the scalp with their hands.It is currently believed that endocrine disorders, decreased estrogen, and autonomic dysfunction in menopausal women are the main causes of tinnitus.
2. Various diseases: mainly ear diseases, such as external ear diseases; vascular diseases can also cause tinnitus; one of the important symptoms of other systemic diseases is also tinnitus, such as nasopharyngeal cancer, autonomic disorders, lack of blood supply to the brain, Pre-stroke, high blood pressure, hypotension, anemia, diabetes, malnutrition, etc.