Opioid Conversion Table
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Morphine milligram equivalent (MME)
- Oral morphine: 1 MME
- Hydrocodone: 1 MME
- Oxycodone: 1.5 MME
- IV morphine: 3 MME
- Oral hydromorphone: 4 MME
- IV hydromorphone: 20 MME
Conversion table using common doses
| Opioid | IV/SubQ/IM (mg) | PO/Rectal (mg) |
|---|---|---|
| Morphine | 10 | 30 |
| Hydrocodone | - | 30 |
| Oxycodone | - | 20 |
| Hydromorphone | 1.5 | 7.5 |
| Codeine | - | 200 |
| Hydrocodone | - | 30 |
| Tramadol | - | 100 |
| Fentanyl* | 0.1 | - |
*Fentanyl dosing is only for intermittent bolus dosing.
To convert Fentanyl boluses to Fentanyl patch, please see example opioid conversions.
Morphine : Methadone have a dose based adjustment
Up to 100 mg/day Morphine --> 4:1 of Methadone
101-300 mg/day Morphine --> 8:1 of Methadone
301-500 mg/day Morphine --> 12:1 of Methadone
501-1000 mg/day Morphine --> 15:1 of Methadone
>1001mg/day Morphine --> 20:1 of Methadone