Fu Cong phenomenon

Fu Cong is a symptom of sudden deafness. Sudden deafness (hereinafter referred to as sudden deafness) is a sensorineural deafness that occurs suddenly and for unknown reasons, also known as deafness. The onset is rapid, the progress is rapid, and the treatment effect is directly related to the time of consultation. It should be regarded as an ear emergency. Fucong phenomenon: The degree of hearing loss is reduced or disappeared due to the increase in the sound intensity of the stimulus; the strength of the strong sound is reduced, and the patient feels ear pain when the strength of the normal person does not reach the strength of the strong sound (105-110dB).