Dyskinesia refers to a movement disorder characterized by involuntary, abnormal, or repetitive movements. These movements can affect various parts of the body, including the face, arms, legs, and trunk. Dyskinesia can be a symptom of a neurological condition, such as Parkinson's disease or Huntington's disease, or can be caused by certain medications, such as antipsychotics or levodopa. Treatment options for dyskinesia may include medication adjustments, physical therapy, and deep brain stimulation. Research in this area is focused on understanding the underlying causes of dyskinesia, developing better treatment options, and improving the quality of life for individuals affected by this movement disorder.