some info
Oral IR
onset - 20min
duration - 4-6 hrs
after effect - 1-24 hrs
Oral ER
onset: 40min
duration: 6-8 hrs
after effect - 1-24 hrs
Insufflated
onset: 2-5 min
duration: 3-4 hrs
after effect - 1-24 hrs
IV
onset: 0-1 min
duration: 3-5 hrs
after effect - 1-24 hrs
Bioavailability
Oral 60-87% | Insufflated 55-70%