Nystagmus, Benign Paroxysmal Positional

National Organization for Rare Disorders, Inc.

Important
It is possible that the main title of the report Nystagmus, Benign Paroxysmal Positional is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report.

Synonyms

  • BPPN
  • Cupulolithiasis
  • Labyrinthine Positional Nystagmus
  • Paroxysmal Positional Nystagmus

Disorder Subdivisions

  • None

General Discussion

Benign Paroxysmal Positional Nystagmus is a disorder of the vestibular system in the middle ear that causes dizziness due to altered function of the semicircular canals, usually involving the posterior canal but sometimes involving the horizontal canal. The dizziness, which is accompanied by abnormal eye movements or nystagmus, occurs suddenly and without warning; thus, it is "paroxysmal". It is also "positional" because the symptoms increase with certain movements of the head or body. It is the position of the head, rather than the movement, that causes the symptoms.

Resources

Vestibular Disorders Association (VEDA)
P.O. Box 13305
Portland, OR 97213
USA
Tel: (503)229-7705
Fax: (503)229-8064
Tel: (800)837-8428
Email: veda@vestibular.org
Internet: http://www.vestibular.org

EAR (Education and Auditory Research Foundation
P.O. Box 330867
Nashville, TN 37203
Tel: (615)627-2724
Tel: (800)545-4327
TDD: (615)284-7849
Email: suzanne@earfoundation.org
Internet: http://www.earfoundation.org

National Institute of Neurological Disorders and Stroke (NINDS)
P.O. Box 5801
Bethesda, MD 20824
Tel: (301)496-5751
Fax: (301)402-2186
Tel: (800)352-9424
TDD: (301)468-5981
Email: me20t@nih.gov
Internet: http://www.ninds.nih.gov/

American Nystagmus Network, Inc.
303-D Beltine Place SW #321
Decatur, AL 35603
USA
Email: webmaster@nystagmus.org
Internet: http://www.nystagmus.org

MUMS National Parent-to-Parent Network
150 Custer Court
Green Bay, WI 54301-1243
USA
Tel: (920)336-5333
Fax: (920)339-0995
Tel: (877)336-5333
Email: mums@netnet.net
Internet: http://www.netnet.net/mums/

Genetic and Rare Diseases (GARD) Information Center
PO Box 8126
Gaithersburg, MD 20898-8126
Tel: (301)251-4925
Fax: (301)251-4911
Tel: (888)205-2311
TDD: (888)205-3223
Email: ordr@od.nih.gov
Internet: http://rarediseases.info.nih.gov/Default.aspx

American Academy of Audiology
11730 Plaza America Drive, Suite 300
Reston, VA 20190
Tel: (703)790-8466
Fax: (703)790-8631
Tel: (800)222-2336
Email: infoaud@audiology.org
Internet: http://www.audiology.org

For a Complete Report

For a Complete Report

This is an abstract of a report from the National Organization for Rare Disorders, Inc. ® (NORD). A copy of the complete report can be obtained for a small fee by visiting the NORD website. The complete report contains additional information including symptoms, causes, affected population, related disorders, standard and investigational treatments (if available), and references from medical literature. For a full-text version of this topic, see http://www.rarediseases.org/search/rdblist.html

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