Dystonia

Dystonia is a movement disorder in which sustained or intermittent muscle contractions cause twisting, repetitive movements, or abnormal postures. It can affect a single body part or be more generalized.

Table of Contents

Quick Facts

  • ICD-10: G24
  • Type: Movement disorder
  • Treatment: Botulinum toxin, medications

Common Types

  • Cervical dystonia (neck — most common adult-onset)
  • Blepharospasm (eyelids)
  • Hand or task-specific dystonia (writer's cramp, musician's dystonia)
  • Spasmodic dysphonia (vocal cords)
  • Generalized dystonia (multiple body areas)

Causes

  • Idiopathic (no identifiable cause — most common)
  • Genetic mutations
  • Medications (antipsychotics, metoclopramide — tardive dystonia)
  • Brain injury, stroke, infection
  • Parkinson's disease and other neurodegenerative conditions

Treatment

  • Botulinum toxin injections (mainstay for focal dystonia)
  • Oral medications (anticholinergics, benzodiazepines, baclofen)
  • Levodopa (for dopa-responsive dystonia)
  • Deep brain stimulation for severe cases
  • Physical and occupational therapy
Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. If you are experiencing a medical emergency, call your local emergency number immediately.

References

  • Dystonia Medical Research Foundation. Patient Resources.