Opioid Conversion Calculator 💊

Overview

  • Safe opioid dose conversions for palliative care patients
  • Based on Scottish Palliative Care Guidelines conversion tables
  • Includes safety considerations for frail and elderly patients
  • Calculates breakthrough doses automatically

Key Conversions

  • Weak opioids → Morphine: Divide by 10 (codeine, dihydrocodeine, tramadol)
  • Morphine → SC Morphine: Divide by 2
  • Morphine → SC Diamorphine: Divide by 3
  • Morphine → Oral Oxycodone: Divide by 2
  • Morphine → SC Oxycodone: Divide by 4
  • Fentanyl patches: 30-60mg morphine = 12mcg/hr patch
  • Fentanyl patches: 60-90mg morphine = 25mcg/hr patch

Safety Features

  • 30% dose reduction for frail or elderly patients
  • 30% dose reduction for patients with opioid toxicity
  • Automatic breakthrough dose calculation (1/6th of daily dose)
  • Dose rounding to avoid decimal places
  • Clear safety warnings and specialist advice prompts

Important Notes

  • These conversions are approximate guides only
  • Always seek specialist advice if uncertain
  • Start low and titrate gradually
  • Monitor patients closely, especially frail/elderly
  • Consider renal and hepatic function
  • Breakthrough doses: 1/6th to 1/10th of daily dose

Reference

  • Based on Scottish Palliative Care Guidelines - Opioid Conversion Tables
  • Healthcare Improvement Scotland
  • Always verify conversions with current guidelines

Related Topics

Opioid Conversion Calculator

Safe opioid dose conversions for palliative care

Important Safety Notice

These conversions are approximate guides only. Always seek specialist advice if uncertain. Doses should be conservative and rounded down. Monitor patients closely, especially those who are frail, elderly, or have renal/hepatic impairment.

Current Opioid

Target Opioid

Safety Considerations

Reference

Based on Scottish Palliative Care Guidelines - Opioid Conversion Tables

These conversions are approximate guides only. Always seek specialist advice if uncertain.