Restless Legs syndrome
National Organization for Rare Disorders, Inc.
It is possible that the main title of the report Restless Legs syndrome is not the name you expected.
Restless legs syndrome (RLS) is a neurologic and sleep related movement disorder characterized by an irresistible urge to move in the legs that typically occurs or worsens at rest. It is usually accompanied by abnormal, uncomfortable sensations, known as paresthesias or dysesthesias, that are often likened to crawling, cramping, aching, burning, itching, or prickling deep within the affected areas. Although the legs are usually involved, an urge to move with paresthesias or dysesthesias may also sometimes affect the arms or other areas of the body. Those with RLS may vigorously move the affected area, engage in pacing, or perform other, often repetitive movements, such as stretching, bending, or rocking. Symptoms typically worsen in the evening or at night, often resulting in sleep disturbances. Some individuals with RLS may also develop symptoms during other extended periods of inactivity, such as while sitting in a movie theater or traveling in a car.
RLS may occur as a primary condition or due to another underlying disorder, certain medications, or other factors (secondary or symptomatic RLS). In primary RLS, the disorder is often genetic in origin or occurs for unknown reasons (idiopathic). Secondary RLS may occur in association with certain conditions, such as iron deficiency, low levels of the oxygen-carrying component of red blood cells (anemia), kidney failure, or pregnancy.
Genetic and Rare Diseases (GARD) Information Center
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- Website: http://rarediseases.info.nih.gov/GARD/
March of Dimes
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- Fax: (914)997-4763
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Movement Disorder Society
- 555 E. Wells Street
- Suite 1100
- Milwaukee, WI 53202-3823
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- Fax: (414)276-3349
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NIH/National Institute of Neurological Disorders and Stroke
- P.O. Box 5801
- Bethesda, MD 20824
- Tel: (301)496-5751
- Fax: (301)402-2186
- Tel: (800)352-9424
- Website: http://www.ninds.nih.gov/
National Sleep Foundation
- 1010 N. Glebe Road
- Suite 310
- Arlington, VA 22201
- Tel: (703)243-1697
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- Website: http://www.sleepfoundation.org
Willis-Ekbom Disease Foundation
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- Rochester, MN 55902
- Tel: (507)287-6465
- Fax: (507)287-6312
- Tel: (877)463-6757
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- Website: http://www.rls.org
For a Complete Report
This is an abstract of a report from the National Organization for Rare Disorders (NORD). For a full-text version of this report, go to www.rarediseases.org and click on Rare Disease Database under "Rare Disease Information".
The information provided in this report is not intended for diagnostic purposes. It is provided for informational purposes only.
It is possible that the title of this topic is not the name you selected. Please check the Synonyms listing to find the alternate name(s) and Disorder Subdivision(s) covered by this report.
This disease entry is based upon medical information available through the date at the end of the topic. Since NORD's resources are limited, it is not possible to keep every entry in the Rare Disease Database completely current and accurate. Please check with the agencies listed in the Resources section for the most current information about this disorder.
Last Updated: 5/21/2015
Copyright 2015 National Organization for Rare Disorders, Inc.
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