Labyrinthitis

Alternative names:

bacterial labyrinthitis; serous labyrinthitis

Definition:

An ear disorder involving inflammation of the canals of the inner ear (semicircular canals, labyrinth), resulting in dizziness.

Causes, incidence, and risk factors:

The cause of labyrinthitis is unknown but since it commonly occurs in children following otitis media or an upper respiratory infection (URI), it is thought to be a consequence of viral or bacterial infection. It may also follow allergy, cholesteatoma, or ingestion of toxic drugs.

The semicircular canals of the inner ear (labyrinth) become inflamed. This disrupts their function, including the regulation of balance. Risk factors include recent viral illness, respiratory infection, or ear infection; use of prescription or nonprescription drugs (especially aspirin); stress; fatigue; and a history of allergy, smoking, or alcohol consumption.