Table 2 Morphine equivalent conversion factors
Opioid drug | Oral morphine equivalent dose |
|---|---|
Buprenorphine | Multiplied by 60 |
Butorphanol | Multiplied by 7 |
Codeine | Divided by 12 |
Dihydrocodeine | Divided by 10 |
Fentanyl (patch) | Multiplied by 150 |
Hydrocodone | Multiplied by 1.5 |
Hydromorphone (oral) | Multiplied by 5 |
Hydromorphone (parenteral) | Multiplied by 10 |
Levorphanol | Multiplied by 6 |
Meperidine | Divided by 12 |
Methadone | Multiplied by 10 |
Morphine (parenteral) | Multiplied by 2 |
Oxycodone | Multiplied by 1.5 |
Oxymorphone | Multiplied by 10 |
Pentazocine | Divided by 4 |
Propoxyphene | Divided by 24 |
Tramadol | Divided by 5 |