Alternative Names
Nocturnal myoclonus; RLS; Akathisia
Definition of Restless leg syndrome
Restless leg syndrome is a disorder in which there is an urge or need to move the legs to stop unpleasant sensations.
Causes, incidence, and risk factors
Restless leg syndrome (RLS) occurs most often in middle-aged and older adults. Stress makes it worse. The cause is not known in most patients.
Symptoms
RLS leads to sensations in the lower legs that make you uncomfortable unless you move your legs. These sensations:
Signs and tests
There is no specific examination for restless leg syndrome. The health care provider will not usually find any abnormalities, unless you also have peripheral nerve disease. Blood tests (CBC and serum ferritin) may be done to rule out iron deficiency anemia, which in rare cases can occur with restless leg syndrome.
Treatment
There is no known cure for restless leg syndrome.
Expectations (prognosis)
Restless leg syndrome is not dangerous or life-threatening, and it is not a sign of a serious disorder. However, it can be uncomfortable and disrupt your sleep.
Review
Luc Jasmin, MD, PhD, Departments of Anatomy Neurological Surgery, University of California, San Francisco, CA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc. – 8/28/2009
