How do I know if I have Restless Leg Syndrome?

You can identify Restless Leg Syndrome (RLS), also known as Willis-Ekbom Disease, by the presence of an irresistible urge to move your legs, typically accompanied by uncomfortable sensations that occur during periods of rest or inactivity and improve with movement.

Recognizing the Signs

The hallmark of Restless Leg Syndrome is a sensation often described as crawling, pulling, itching, or "electric" feelings deep within the legs. These symptoms follow a distinct circadian pattern, worsening in the evening or at night. Unlike simple muscle cramps, these urges are almost always relieved—at least temporarily—by walking, stretching, or rubbing the legs.

When to See a Doctor

If your sleep quality is suffering or your symptoms are causing significant daytime fatigue, it is time to consult your primary care provider. When you schedule your appointment, be specific: state that you are experiencing "an urge to move my legs that worsens at night and improves with activity." Mentioning Restless Leg Syndrome by name can help your physician focus on the diagnostic criteria.

Diagnostic Evaluation

There is no single blood test to confirm Restless Leg Syndrome; it is primarily a clinical diagnosis based on your history. However, your doctor should investigate underlying contributors. Ask to have your serum ferritin (iron storage) levels checked, as low iron is a common, treatable factor that can exacerbate symptoms. Other tests may include checking kidney function or blood glucose to rule out secondary causes.

Self-Advocacy and Red Flags

If your concerns are dismissed, keep a "sleep diary" for two weeks documenting when symptoms occur and what provides relief. This data is powerful when advocating for yourself. Seek urgent medical evaluation if you experience sudden, severe weakness in your legs, loss of sensation, or bladder/bowel changes, as these are not typical of Restless Leg Syndrome and require immediate neurological assessment.

Distinguishing Normal Variation

Occasional leg twitching or muscle fatigue from exercise is common and usually resolves with rest. Conversely, Restless Leg Syndrome is defined by the fact that rest *triggers* the symptoms rather than soothing them. Understanding this distinction is the first step toward finding relief.

Medical Disclaimer: This information is for educational purposes only and does not replace professional medical advice, diagnosis, or treatment. Always seek the advice of your physician regarding any medical condition.

References

• NIH Genetic and Rare Diseases Information Center (GARD)


• Orphanet: Rare Disease Database


• Restless Legs Syndrome Foundation