Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 1/25/2026

Fentanyl Dosing and Safety Guidelines

Prescribing Principles

Initial Dosing for Opioid‑Naïve Patients (IV/SQ)

Transdermal Fentanyl Use in Opioid‑Tolerant Patients

IV/SQ Fentanyl Dosing in Opioid‑Tolerant Patients

Breakthrough Pain Management

Special Populations: Renal or Hepatic Impairment

Opioid Rotation

Concurrent Opioid Formulations