耳鸣

Key facts

Medical condition (new).name

Tinnitus

Medical condition (new).field

Otorhinolaryngology, audiology, neurology

Medical condition (new).pronounce

or

Medical condition (new).symptoms

Hearing sound when no external sound is present

Medical condition (new).complications

Poor concentration, anxiety, depression

Medical condition (new).onset

Gradual

Medical condition (new).causes

Noise-induced hearing loss, ear infections, disease of the heart or blood vessels, Ménière's disease, brain tumors, inner ear tumors, traumatic brain injury, excessive earwax

Medical condition (new).diagnosis

Based on symptoms, audiogram, neurological exam

Medical condition (new).treatment

Counseling, sound generators, hearing aids

Medical condition (new).frequency

~12.5%

via Wikipedia infobox