|Summary||A very potent opioid that has an arylcyclohexylamine structure. Intial studies estimated that it was ~10,000x Morphine in animal studies. However that value has since decreased to ~504 times the potency of morphine for the trans-isomer.|
|Onset||Insufflated: 5-15 minutes. |
Intramuscular: 1-5 minutes.
Intravenous: 1-2 minutes.
|Duration||Insufflated: 3-6 hours. | Intramuscular: 2-4 hours. | Intravenous: 1-3 hours.|
|Avoid||All other CNS depressants.|