Dysgeusia in the mouth can be caused by several different factors. Many people experience a metallic taste in their mouths due to acid reflux, while others may experience a sour, bitter, sweet, or salty taste due to poor oral hygiene, high blood pressure, or certain medications.
- https://www.orisdentalcenter.ae/blog/10-reasons-behind-sour-or-bitter-taste-in-your-mouth/
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