What is a sudden tinnitus in the left ear?

The sudden occurrence of tinnitus in the left ear may be caused by frequent staying up late and physical fatigue. Secondly, it may be caused by excessive cerumen blockage in the external auditory canal. In addition, when suffering from secretory otitis media, there will also be sudden tinnitus phenomenon. This situation requires symptomatic anti-inflammatory treatment and can generally be cured in a week.