Labyrinthitis's a balance disorder. It's an inflammatory process affecting the labyrinths that house the vestibular system (which sense changes in head position) of the inner ear. In addition to balance control problems, a labyrinthitis patient may encounter hearing loss and tinnitus. Labyrinthitis's usually caused by a virus, but it can also arise from bacterial infection, head injury, extreme stress, an allergy or as a reaction to a particular medicine. Both bacterial and viral labyrinthitis… (More on Labyrinthitis)