Definition

Noun: A neurological disorder characterized by involuntary, repetitive movements, typically of the face, tongue, jaw, and limbs. It is a potential side effect of long-term use of certain psychiatric medications, particularly antipsychotic drugs.

Usage

This term is used exclusively in medical and clinical contexts to describe a specific drug-induced movement disorder. It is a formal diagnosis.

Examples

• The psychiatrist monitored the patient for signs of tardive dyskinesia after years of antipsychotic treatment.
• Tardive dyskinesia can manifest as grimacing, tongue protrusion, and lip smacking.
• Management of tardive dyskinesia may involve adjusting medication.

Advanced Usage

• Tardive Dyskinesia (TD): The abbreviated form "TD" is commonly used in medical notes and discussions among healthcare professionals.
  • The patient's chart noted a history of TD.

Variants and Related Words

• Dyskinesia (n): A broader term for abnormal, involuntary muscle movements.
  • Dyskinesia can have various causes, not just medication.
• Tardive (adj): Meaning "late appearing" or "delayed in onset." In medical terminology, it specifically refers to side effects that develop after prolonged use of a drug.
  • The tardive nature of the disorder means symptoms appear after long-term treatment.

Synonyms

• Neuroleptic-induced dyskinesia: A more specific synonym highlighting the cause (neuroleptic/antipsychotic medication).
• Drug-induced dyskinesia: A broader synonym.

Notes on Meaning

This term has a single, specific medical meaning. It does not have idioms or phrasal verbs associated with it due to its highly technical nature. The condition is named for its key characteristic: tardive (delayed onset) and dyskinesia (bad/difficult movement).

Noun

1. involuntary rolling of the tongue and twitching of the face or trunk or limbs; often occurs in patients with Parkinsonism who are treated with phenothiazine