Fentanyl Dosing and Safety GuidelinesPrescribing PrinciplesInitial Dosing for Opioid‑Naïve Patients (IV/SQ)Transdermal Fentanyl Use in Opioid‑Tolerant PatientsIV/SQ Fentanyl Dosing in Opioid‑Tolerant PatientsBreakthrough Pain ManagementSpecial Populations: Renal or Hepatic ImpairmentOpioid RotationConcurrent Opioid Formulations