NCIt definition : Inflammation of the anatomical structures of the inner ear secondary to an infectious
process. Symptoms include severe vertigo, nausea, vomiting, anxiety, and pain. Viral
etiology is most common, and recent history of an upper respiratory infection is common.;
Alternative definition : NICHD: Inflammation of the inner ear.; FDA: An inflammation of the labyrinth in the inner ear that causes dizziness and reduced
or distorted hearing.;