Morphine |
Opioid |
Acute severe pain, long acting |
- PO: 0.2-0.5 mg/kg
- IV: 0.05-0.15 mg/kg
|
3-5 h |
Good analgesia for severe pain expected to last hours |
Nausea, vomiting, pruritis, respiratory depression, accumulation in renal dysfunction |
Hydromorphone (Dilaudid) |
Opioid |
Acute severe pain, long acting |
IV: 0.01-0.02 mg/kg |
3-4 h |
Good analgesia for severe pain expected to last hours |
Respiratory depression |
Fentanyl |
Opioid |
Acute severe pain, short acting |
- IN: 1-2 MCG/kg
- IV: 1-2 MCG/kg
|
30-60 min |
Rapid acting. Short duration. Good for treatment of self-limited pain or painful procedures. |
Respiratory depression, short acting, accumulation with frequent repeat dosing |
Oxycodone |
Opioid |
Moderate pain, long acting |
PO: 0.1-0.2 mg/kg |
3-6 h |
Good analgesia for moderate ongoing pain |
Respiratory depression, oral formulation only |
Diazepam (Valium) |
Benzodiazepine |
Muscle spasm, whiplash |
- PO: 0.2 mg/kg
- IV: 0.1 mg/kg
|
6-8 h |
Good for muscle spasm (ex. femur fracture) or neck pain from whiplash |
Respiratory depression, especially when combined with opioids |
Ketamine |
NMDA antagonist |
Sedation, infusion after surgery |
- IM: 0.5-1 mg/kg*
- IV: 0.5-1 mg/kg*
- IV ggt: 0.5 MCG/kg/ min
|
|
Good for sedation for painful procedures or as an IV infusion after surgery with ongoing pain Relatively hemodynamically stable. Maintains airway tone |
Tachycardia, increased secretions, dissociative effects |
Dexmedetomidine (Precedex) |
Alpha-2 agonist |
Sedation, infusion during surgery, adjunct |
- IV: 0.5-1 mcg/kg
- IV ggt: 0.2-0.5 MCG/kg/h
|
1-2 h |
Good for sedation for painful procedures or as opioid sparing adjunct. Reduces emergence delirium |
Bradycardia, hypotension, sedation |
Tizanidine |
Alpha-2 agonist |
Muscle spasm in children > 2yo |
PO: 1-4 mg |
3-6 h |
Adjunct for spasm pain |
Hypotension. Bradycardia. Sedation. |
Gabapentin |
Gabapentinoid, AED |
Adjunct for ongoing or neuropathic pain |
PO: 5 mg/kg |
6-8 h |
Good for subacute/ chronic neuropathic pain. |
Sedation. Weak on its own. Slow acting. Withdrawal if abrupt discontinuation |