Labyrinthitis is a condition affecting balance in which the labyrinths (which cointain the vestibular system that detects changes in head position) become inflammed. The primary symptom is vertigo, although one may also suffer hearing loss. Labyrinthitis is usually caused by a viral infection, although bacterial infections, head traumas, allergies, or a reaction to medicine can also bring it about. After the acute phase of the infection, chronic symptoms can last for years. There are wide variety of medications which are prescribed for the chronic phase including anti-anxiety or anti-depressants.