Related to use of typical and atypical antipsychotics
Induces parkinson-like and other movement-related features
Symptoms
Can be acute (within hours/days of med use) or chronic
Patients are typically cooperative and interactive
Tremor, rigidity, diminished movement
Acute dystonias (movements), akithisia (inability to sit still)
Acute parkinsonism (below)
Chronic symptoms (Tardive Dyskinesia) present after longer exposure to meds: include dystonias, akithisia
Physical Exam Findings
Acute dystonia: twisting and repetitive movements or postures; often painful; most common in head/neck area: torticollis--> neck flexed backward and laterally, oculogyric crisis (sustained upward deviation of eyes), blepharospasm, open mouth w/protruding tongue; can also affect arms, legs; akathisia (inability to sit still)