Cold: The hissing sound in your ear may be due to the mucus from your cold which has gotten into your middle ear through your eustachian tube
Answered 9/29/2016
3.5k views
Mucous: You have a mucous accumulation in your inner ear and/or your Eustachian tubes. You can try OTC antihistamine such as Zyrtec (cetirizine) or Claritn.
Answered 11/16/2014
3.5k views
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