Medication-Induced Disorders / Side Effects
Lauren Marazzi, M.D., Ph.D., Colleen Ohm, PA-C, Thomas W. Sedlak, M.D., Ph.D.
DEFINITION
DEFINITION
DEFINITION
- Antidepressant discontinuation syndrome
- Set of symptoms that can occur after abrupt cessation (or marked reduction in dose) of an antidepressant taken continuously for at least 1 month
- Neuroleptic-induced Parkinsonism and other medication-induced Parkinsonism
- Parkinsonian symptoms of mask-like facies, resting tremor, cogwheel rigidity, shuffling gait, and psychomotor retardation (bradykinesia) caused by antipsychotic or other medications
- Neuroleptic malignant syndrome
- Life-threatening emergency associated with the use of neuroleptic agents and characterized by a distinctive clinical syndrome of mental status change, rigidity, fever, and autonomic instability
- Medication-induced acute dystonia
- Involuntary contractions of major muscle groups, characterized by symptoms such as torticollis, retrocollis, oculogyric crisis, and opisthotonos
- Medication-induced acute akathisia
- Motor restlessness with a compelling urge to move and an inability to sit still
- Tardive dyskinesia
- Hyperkinetic movement disorder that appears with a delayed onset after prolonged use of dopamine receptor blocking agents (e.g., neuroleptics)
- Tardive dystonia and tardive akathisia
- Delayed onset of involuntary contractions of muscle groups (tardive dystonia) or motor restlessness (tardive akathisia)
- Medication-induced postural tremor
- Tremor that occurs when one tries to hold a body part still, against the force of gravity
- Other medication-induced movement disorder
- Medication-induced movement disorders not described above
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