Oral: 2-4mg PO q4-6h PRN
IV: 0.2-1mg IV q2-3h PRN
IM: 1-2mg IM q2-3h PRN (not recommended secondary to variable absorption)
Hydromorphone
Morphine
Ropivacaine
Butorphanol
Meperidine
Cetacaine
Codeine
Dextromethorphan