Many things: A change of diet, or a change of medication, the commencement of an infection can all produce a change in salivary flow. This is a very common cause of an altered perception of taste in the mouth. 60% of the commonly prescribed medications have the effect of decreasing the amount of saliva produced. I recommend that you see your dentist and have them do a review for you.
Answered 12/10/2013
4.9k views
A few come to mind: Acid reflux, side effects of medications you are taking, sinus infections, and diet. Periodontal problems can also be a cause, as well as cavities. I know you stated no dental problems, but you may want to be re-examined.
Answered 9/9/2013
4.9k views
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