Also, a knock is observed in nervous exhaustion or fatigue. Such a man hears a knock when he unpleasant extraneous sounds due to increased individual susceptibility.
Causes of knocking
Knock, ringing or tinnitus can occur due to various reasons. To determine why they are there, consider carefully whether there are other symptoms, which are present of the disease, taking any medication runs.
When a knock came at the result of exposure to significant sound pressure, the cause may be acoustic trauma, causing a temporary malfunction of the organ of hearing. Usually a knock is on their own after a few hours, enough to be in silence.
If the knock appeared during air travel, diving, it is quite probable barotrauma, in which the organ of hearing is damaged due to a sudden drop of pressure. Such knocks are usually accompanied by dizziness, stuffy ears, decrease in hearing.
Ailments, causing the pounding in my ears
The appearance of knocking, accompanied by head or heart pain, visual disturbances (flashing flies) indicates a rise in pressure. In elderly people above the risk of a hypertensive crisis, especially if they suffer from hypertension and obesity.
The occurrence of knocking can cause some medications ("Cisplatin", "Furosemide", "Streptomycin", "Gentamicin", etc.), indicating adverse effects at the hearing. If you experience this symptom after taking medicine, it is necessary to obtain additional medical advice.
When the sound is accompanied by dizziness, urinary incontinence, "goose bumps" on the skin, paralysis of the limbs, a possible reason may be multiple sclerosis. This disease is manifested by various symptoms, so to Refine the diagnosis after able detailed examination only specialist.