Restless leg syndrome

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Superficial anterior muscles

Nocturnal myoclonus; RLS

• Sleeping difficulty
• Persistent leg movements during sleep hours
• Irresistible urge to move the legs
• Abnormal sensation in the legs (occasionally, feet, thighs, arms)
  • Creeping sensations or discomfort (not pain, not cramps) relieved by movement of the legs
  • May occur during the day
  • Worse when lying down

There is no specific examination for restless leg syndrome. No structural or other abnormalities are usually discovered unless peripheral nerve disease is also present. A blood test may be done to rule out anemia, which rarely has been associated with restless leg syndrome.

Examination and testing may be used to rule out other disorders that may cause similar symptoms, especially disorders associated with claudication of the legs.

Review Date: 08/26/2006
Reviewed By: Gail A. Kang, M.D., San Francisco VA Parkinson's Disease Research, Education, & Clinical Center, San Francisco, CA. Review provided by VeriMed Healthcare Network.