From: Abuse risks and routes of administration of different prescription opioid compounds and formulations
 | Route of Administration | ||||
---|---|---|---|---|---|
IR morphine vs. | Intended | Snort | Inject | Chew | Other |
Hydrocodone | 0.058Â¥ | 1.014 | 125.00Â¥ | 0.522Â¥ | 1.404 |
IR oxycodone | 0.106Â¥ | 0.600Â¥ | 23.256Â¥ | 0.480Â¥ | 1.050 |
IR fentanyl | 5.682£ | 1.537 | 19.231¥ | 0.750 | 0.042τ |
IR hydromorphone | 1.188 | 0.797 | 1.014 | 1.570Ï„ | 1.043 |
IR oxymorphone | 0.785 | 0.182Â¥ | 8.479Â¥ | 1.161 | 0.732 |
ER oxycodone | 0.303Â¥ | 0.262Â¥ | 4.443Â¥ | 0.526Ï„ | 0.731 |
ER fentanyl | 7.717Â¥ | 20.806Â¥ | 6.111Â¥ | 1.312 | 0.034Â¥ |
Methadone | 0.098¥ | 1.416τ | 19.590¥ | 0.723 | 0.508£ |
ER morphine | 0.780 | 0.656τ | 1.533£ | 1.041 | 1.887τ |
ER oxymorphone | 1.498 | 0.075Â¥ | 21.552Â¥ | 0.829 | 3.561Ï„ |