<Tr> <Th> Treatment </Th> <Td> Counseling, sound generators, hearing aids </Td> </Tr> <Tr> <Th> Frequency </Th> <Td> ~ 12.5% </Td> </Tr> <P> Tinnitus is the hearing of sound when no external sound is present . While often described as a ringing, it may also sound like a clicking, hiss or roaring . Rarely, unclear voices or music are heard . The sound may be soft or loud, low pitched or high pitched and appear to be coming from one ear or both . Most of the time, it comes on gradually . In some people, the sound causes depression or anxiety and can interfere with concentration . </P> <P> Tinnitus is not a disease but a symptom that can result from a number of underlying causes . One of the most common causes is noise - induced hearing loss . Other causes include ear infections, disease of the heart or blood vessels, Ménière's disease, brain tumors, emotional stress, exposure to certain medications, a previous head injury, and earwax . It is more common in those with depression . </P>

What does it mean when you hear high pitched noises