Definition of Dysgeusia

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.