Can chronic kidney disease cause restless legs syndrome?

Restless legs syndrome causes an urge to move the legs, often with crawling, pulling, tingling, or aching sensations. Symptoms typically appear or become stronger when sitting or lying down and may ease temporarily with walking or stretching. They can disturb sleep and leave you tired during the day.

Kidney disease is one possible contributor. Low iron stores, some medicines, pregnancy, nerve problems, and other conditions can produce similar symptoms. A clinician will ask when the sensations occur, examine you when needed, and review kidney function and iron results rather than assuming one cause.

Tell your kidney-care team or GP if leg sensations delay sleep, wake you repeatedly, or are becoming more frequent. They may check iron status, kidney tests, medicines, and other contributors. Do not take iron, sleep aids, or dopamine-related medicines without advice; the right choice depends on your results and kidney function.

A regular sleep routine, gentle movement, stretching, a warm bath, or massage may help some people. Keep a short record of timing, triggers, sleep disruption, and anything that eases the sensations so your appointment is more useful.

Seek urgent assessment for a swollen, hot, red, or very painful leg, sudden weakness, loss of feeling, severe shortness of breath, chest pain, or inability to walk. These features are not typical of restless legs syndrome and may signal another problem.

Ask whether your symptoms fit restless legs syndrome, whether iron or other tests are appropriate, and whether any current medicine may be contributing. Discuss which treatments are suitable with your level of kidney function and how sleep problems should be followed up.