Dysgeusia: a disruption or disorder in the sense of taste. Symptoms of dysgeusia include a persistent metallic, rancid, foul, or salty taste in the mouth. There are a number of medications and conditions that can cause dysgeusia, including certain medications, cancer treatments, zinc deficiency, undiagnosed diabetes, poor oral hygiene, physiological changes like aging or pregnancy, and head injuries.
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References
Larry Jameson, J. , Anthony S. Fauci, et al. Harrison's Principles of Internal Medicine, Twentieth Edition. 2018.