Tinnitus is a condition which causes the patient to hear ringing in the ear when there is no such sound being made. It can be caused by ear infections, foreign objects in the ear, neurological damage, or conditions which encourage wax buildup.
 
 
Recommended Resources
Alliance Tinnitus and Hearing Center
Web site for the Alliance Tinnitus and Hearing Center provides extensive information about the condition and its treatment, including self-help advice for sufferers.
http://www.tinn.com
The American Tinnitus Association is a non-profit organization working to improve the resources, information, and assistance available to those who suffer tinnitus.
http://www.ata.org/
Canadian Tinnitus & Hyperacusis Centre
The Canadian Tinnitus & Hyperacusis Centre with a mandate to promote the awareness of tinnitus and other noises in the ear which cause impairment.
http://www.canadiantinn.com/