Article · 2 min read

Restless Legs Syndrome Explained

Restless legs syndrome causes a strong urge to move your legs at night. Learn the symptoms, the causes, and the treatments that work.

General information, not medical advice. Read our disclaimer.

RESTLESS LEGS · BASICS

Restless legs syndrome at a glance

  • RLS causes a strong urge to move your legs at night.
  • The feeling gets worse when you rest and better when you move.
  • Low iron, pregnancy, kidney disease and some medicines can trigger it.
  • Everyone with RLS should have their iron levels checked.
  • Treatments that work are available, and a sleep specialist can help.

Restless legs syndrome (RLS) causes a strong urge to move your legs, most often in the evening or at night. It can badly disturb your sleep and your daily life. Treatments that work are available, and a sleep specialist can help you manage symptoms.

What does RLS feel like?

RLS causes an uncomfortable urge to move your legs. The urge is very hard to resist. Common signs are:

  • Odd feelings — Uncomfortable feelings in the legs, such as crawling, tingling, or aching
  • Worse at rest — An urge to move that gets worse when you rest or sit still
  • Better with movement — Symptoms get better when you move
  • Worse at night — Symptoms are worse in the evening and at night

What causes it?

  • Low iron — Everyone with RLS should have their iron levels checked
  • Pregnancy — Being pregnant can trigger RLS or make it worse
  • Kidney disease — Long-term kidney disease
  • Peripheral neuropathy — Nerve damage, often in the feet and legs
  • Genes — It can run in families
  • Some medicines — Such as antihistamines (allergy medicines) and antidepressants

How is RLS treated?

  • Iron pills — If your iron is low
  • Dopaminergic medicines — Medicines that act on dopamine, a brain chemical
  • Alpha-2 delta ligands — A type of nerve medicine (such as gabapentin)
  • Lifestyle changes — Such as exercise and avoiding triggers

RESTLESS LEGS · TREATMENT

Treatment options

Iron pills

What it isIron taken by mouth.

Who it helpsPeople with RLS whose iron is low.

Good to knowEveryone with RLS should have their iron levels checked.

Key point

Dopaminergic medicines

What it isMedicines that act on dopamine, a brain chemical.

Who it helpsPeople with RLS that disturbs sleep and daily life.

Good to knowA sleep specialist can help you decide.

Alpha-2 delta ligands

What it isA type of nerve medicine, such as gabapentin.

Who it helpsPeople with RLS that disturbs sleep and daily life.

Good to knowA sleep specialist can help you decide.

Lifestyle changes

What it isExercise and avoiding triggers.

Who it helpsAnyone with RLS.

Good to knowCaffeine and alcohol may make symptoms worse.

Common questions

What triggers restless legs syndrome?
Low iron, pregnancy, kidney disease, and some medicines can trigger RLS or make it worse. Caffeine and alcohol may also make symptoms worse.

Trusted medical sources

This page follows guidance and research from leading medical organizations.

Part of our restless legs and limb movements service.