Anesthetic Medications to Avoid in Parkinson's Disease

High-Priority Medications to Avoid

• The American Geriatrics Society recommends that most antipsychotics are contraindicated due to dopamine receptor blockade that worsens parkinsonian symptoms 1
• The American Geriatrics Society suggests that the only acceptable antipsychotics for Parkinson's patients are quetiapine, clozapine, and pimavanserin - all other antipsychotics should be avoided 1
• The Diabetes Care journal reports that metoclopramide is particularly dangerous as it causes extrapyramidal signs including acute dystonic reactions, drug-induced parkinsonism, akathisia, and tardive dyskinesia 2
• The Anaesthesia journal recommends that benzodiazepines should be avoided as they increase risk of delirium, falls, fractures, cognitive impairment, and dependence in older adults 3, 1

Analgesic Considerations

• The British Journal of Anaesthesia suggests that pethidine (meperidine) should be completely avoided due to high risk of delirium and adverse CNS effects 4, 5, 6
• The British Journal of Anaesthesia recommends that morphine, fentanyl, and oxycodone are not specifically contraindicated but require careful titration to minimal effective doses 4, 5, 6
• The Anaesthesia journal recommends that paracetamol should be prioritized as first-line therapy for postoperative pain 3

Medications Requiring Caution

• The Anaesthesia journal suggests that sedative hypnotics and corticosteroids can precipitate delirium and should be avoided when possible 3
• The British Journal of Anaesthesia recommends that gabapentinoids should be used with caution in older adults with Parkinson's disease, considering risks versus benefits carefully 4, 5, 6

Critical Perioperative Management Principles

• The Praxis Medical Insights journal recommends that levodopa should be administered at least 30 minutes before meals to optimize absorption, and separated from iron and calcium supplements by at least 2 hours 7

Common Pitfalls to Avoid

• The Diabetes Care journal warns that drug-induced parkinsonism should not be confused with disease progression - metoclopramide and antipsychotics can cause acute worsening 2
• The Praxis Medical Insights journal suggests that all movement disorders should not be assumed to be parkinsonian tremor - distinguish myoclonus, akathisia, and restless legs syndrome 7