| Drugs | |
| Morphine | 10 mg |
| Oxycodone | 10 mg |
| Meperidine | 100 mg |
| Nalbuphine | 10 mg |
| Tramadol | 100 mg |
| Transdermal Fentanyl patch | 12.5 mcg/h |
| Transdermal Buprenorphine patch | 10 mcg/h |
| Fentanyl | 0.1 mg |
| Alfentanil | 1 mg |
| Sufentanil | 0.01 mg |
| Drugs | |
| Morphine | 10 mg |
| Oxycodone | 10 mg |
| Meperidine | 100 mg |
| Nalbuphine | 10 mg |
| Tramadol | 100 mg |
| Transdermal Fentanyl patch | 12.5 mcg/h |
| Transdermal Buprenorphine patch | 10 mcg/h |
| Fentanyl | 0.1 mg |
| Alfentanil | 1 mg |
| Sufentanil | 0.01 mg |