The vestibular portion of the inner ear is responsible for evaluating and maintaining balance and equilibrium. The Labyrinth is of canals fills with fluid. In Meniere's disease, there is an increased fluid in the inner ear’s semicircular canals. This excess fluid results in problems with balance and , sometimes, hearing. In the vast majority of people one ear is affected at first. However, somewhere between 25 and 50% of people with disorder eventually have both ears affected. The disorder is seen in adults between ages 30 and 60. It is slightly more common in women than men.
Causes of Meniere’s Disease
The exact cause is unknown. Trauma to the inner ear has been speculated upon as a contributing cause. It is known that the condition is caused by an increase in the amount of fluid in the membranous labyrinth.
Signs and Symptoms of Meniere’s Disease
Meniere's disease produces episodic symptoms. The episodes may remain similar, or may change or progress, from time to time. There is severe dizziness and vertigo. Ringing in the ear, tinnitus, may occur. There is fluctuating loss of hearing, that may progress over time. There is the sensation of pressure within the ear. Nausea and vomiting may occur, jerky eye movements may occur and sweating is common, especially during an acute episode.
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Medical Content Last Updated on 07/12/2008
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