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Approach to the evaluation and management of suspected drug-induced parkinsonism

Approach to the evaluation and management of suspected drug-induced parkinsonism
DaTscan: striatal dopamine transporter imaging using 123I-FP-CIT single-photon emission tomography; PD: Parkinson disease.
* Common causes of drug-induced parkinsonism:
  • Antipsychotic drugs
  • Antiemetic/promotility agents (eg, metoclopramide)
  • Dopamine-depleting agents (eg, reserpine)
  • Cinnarizine/flunarizine
  • Valproic acid
Refer to UpToDate topics on drug-induced parkinsonism for other less common causes.
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