Fentanyl‑Induced Hallucinations and Neurotoxicity: Evidence‑Based Guidance

Neuropsychiatric Adverse Effects

• Fentanyl‑related opioid‑induced neurotoxicity can manifest as behavioral changes and headache in patients receiving the drug. [National Institute of Health – Gastroenterology] 1

Major Safety Concerns Highlighted in Clinical Guidelines

• The principal serious adverse effects of fentanyl identified in clinical guidelines are respiratory depression, chest‑wall rigidity, and cardiovascular complications. [American Society of Anesthesiologists] 2, 3, 1

Patient Selection for Transdermal Fentanyl

• Reserve transdermal fentanyl for:

Contraindications / Situations to Avoid

• Do not use transdermal fentanyl in:

Patient Education and Monitoring

• Patients must be instructed to immediately report:

Renal Impairment Considerations

• Although fentanyl lacks active renally cleared metabolites, caution is advised in patients with renal dysfunction because altered pharmacokinetics may increase risk of neuropsychiatric effects. [NCCN] 5, 4