The condition may cause a burning, tingling or itching sensation in the legs and movement may provide temporary relief from these feelings. The cause of RLS may not be fully understood, although some researchers believe that the condition may be caused by an imbalance of dopamine in the brain.

RLS may also run in families and may be made worse by stress or pregnancy. RLS may also accompany other symptoms such as iron deficiency, kidney failure and peripheral neuropathy.

Patients may experience unpleasant sensations in certain parts of the body. The calves, thighs, feet or arms may be affected by RLS. These sensations may be described as achy, deep-seated, creeping, crawling, jittery, tingling or burning. These symptoms may begin during inactivity.

Lying down or sitting for a prolonged period of time may trigger RLS. Walking, moving the legs, exercising or other movements may relieve the symptoms. Patients may notice that symptoms may worsen at night.

While sleeping, many patients may experience flexing or twitching in their extremities as well. Many patients may find it hard to sleep and the insomnia that ensues may cause daytime drowsiness. Symptoms may fluctuate in severity and may disappear for an extended period of time. Symptoms of RLS may be mild or severe.

Treating an underlying condition that may cause RLS, such as iron deficiency or peripheral neuropathy, may help to relieve RLS. Treating RLS that may not be caused by an underlying condition may be done through certain lifestyle changes and possibly medications.

For mild cases of RLS, taking over-the-counter pain relievers may help to relieve the sensations felt in the legs or other areas. Massages and warm baths may also help to relieve the condition. Other possible treatments may include applying warm or cool packs to the affected area, relaxation techniques, practicing good sleep hygiene, exercising, avoiding caffeine, alcohol and tobacco and staying mentally alert in the evenings.

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