Bitter taste: There are many possibilities. Perhaps you are having a post nasal drip that accumulates during the night on your tongue. You may be having acid reflux that brings up small amounts of stomach content to throat and tongue. May be toothpaste, dental work, smoking, medications, drugs . If this continues without finding the cause then consult your physician.
Answered 11/7/2011
6.2k views
It depends: I suppose this may be related to your diet or to the medications you may be taking. I would consult with your dentist.
Answered 3/23/2013
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