Geographic tongue, also called benign migratory glossitis, is a harmless condition that makes the surface of your tongue look patchy, almost like a map. The exact cause isn't fully known, but genetics, Tingling tongue and anxiety: Causes, treatment, and more Tingling tongue: Causes and when to see a doctor Tingling sensation in the tongue: A full guide Chest Voice vs. Head Voice: Where Do You Feel the Vibration? Understanding Internal Vibration and Buzzing Symptoms