Several: Tinnitus can be temporary, like from an ear infection, or permanent as from noise exposure, or Meniere's disease, tumors, and many other things. There is even a study which shows that environmental air pollution (including that in the home from fragrances, heating and cooking oil, deodorizers, etc.) can cause tinnitus. See this page: http://www.entnet.org/content/tinnitus
Answered 10/20/2014
3.6k views
Unknown: A lot of different reasons . Upper respiratory infection, allergies ear infection. Go see a doctor.
Answered 10/17/2014
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