10 Common Causes of Metallic Taste in the Mouth
9. Neurological Disorders
Central nervous system dysfunction can distort messages about taste to olfactory and taste receptors, changing perceived smells and flavors. People with Alzheimer’s disease and Parkinson’s disease often experience a metallic, salty, or bitter tast. However, such neurodegenerative disorders are associated with a higher occurrence of periodontal disease and xerostomia or dry mouth, factors known to induce dysgeusia.
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