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Benign paroxysmal positional vertigo (BPPV) From MayoClinic.com
Benign paroxysmal positional vertigo (BPPV) is a problem in the inner ear. That causes vertigo when you move your head into certain positions. Vertigo is the feeling that you or your surroundings are spinning or whirling when there is actually no such movement. Benign paroxysmal positional vertigo (BPPV) is the most common form of vertigo. The condition is characterized by brief episodes of intense dizziness associated with a change in the position of your head. It may occur when you move your head in a certain direction, lie down from an upright position, turn over in bed or sit up in the morning. Moving your head to look up also can bring about an episode of BPPV. Vertigo usually results from a problem with the nerves and the structures of the balance mechanism in your inner ear (vestibular labyrinth) that sense movement and changes in the position of your head. BPPV occurs when tiny particles in your inner ear that help maintain your balance break loose and fall into the wrong part of the canals of your inner ear. When these particles shift, they stimulate sensors in your ear, producing an episode of vertigo. Although BPPV can be a bothersome problem, it's rarely serious. You can receive effective treatment during a doctor's office visit. Signs and symptoms The signs and symptoms of BPPV may include:
The signs and symptoms of BPPV can come and go, with episodes commonly lasting only a few seconds. Episodes of BPPV can disappear for some time, then recur at a later date. Activities that bring about the signs and symptoms of BPPV can vary from person to person, but are almost always brought on by a change in the position of your head. Abnormal rhythmic eye movements (nystagmus) usually accompany BPPV. Although possible, it's unlikely to have BPPV in both ears (bilateral BPPV).
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