Sometimes this needs to be repeated on a few occasions. If symptoms persist, surgery can be considered in which the hypersensitive part of the inner ear is blocked off. This called Posterior Canal Occlusion surgery. The offending canal is exposed after opening the mastoid cavity. The inner ear lining is shrunk using a laser and then the canal is filled with tissue.
Vestibular neuritis is the medical term for dizziness caused by a virus.
Viruses probably cause most inner ear attacks but fortunately these usually resolve on their own. In some cases, however, the dizziness may persist and be disabling. If medical therapy or tincture of time are not effective, the balance nerve can be clipped between the inner ear and the brain to stop false information coming from the diseased ear. This operation is called a vestibular nerve section and is a major procedure. The nerve clipping operation is delicate procedure which attempts to give a good chance of removing the faulty balance function of the ear while preserving the hearing half.