Vasopressor Drugs

Always confirm current dose recommendations in a reputable formulary or other publication. Do your own math calculations and ensure the stock solutions are the same concentrations as the examples below, or that you are making the correct adjustments.

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DrugStock solution or
Reconstitution instructions
Administration
DobutamineStock solution 12.5mg/mL
 
2cc of 12.5mg/mL dobutamine added to 58cc 0.9% NaCl (417mcg/mL)
 
Stable 1-2 weeks, cover/protect from light
2.5-20mcg/kg/min
Start at 2.5mcg/kg/min using syringe pump
DopamineStock solution varies, this is for the 40mg/mL stock – Always confirm!!
 
1cc of 40mg/mL dopamine added to 59cc 0.9% NaCl 
(667mcg/mL)
 
Stable 1-2 weeks, cover/protect from light
5-20mcg/kg/min
Start at 5mcg/kg/min using syringe pump 

 
Solution turns pink as it denatures
EpinephrineStock solution 1mg/mL in multi-use vial
 
Dose <0.5mcg/kg/min: (8mcg/mL solution)
4mg (4mL) in 500cc D5W or 0.9% NaCl w/ 5% dextrose 
 
Dose 0.5mcg/kg/min or higher (40mcg/mL solution)
4mg (4mL) into 100cc D5W or NaCl w/ 5% dextrose
 
Stable 24h, cover/protect from light
0.05-1mcg/kg/min
Use syringe pump, program concentration and dose
 
Anaphylaxis or peri-arrest crisis: 
1cc epinephrine in 1L of 0.9% NaCl 
Start @3cc/kg/h; titrate rapidly to effect
 
May go higher but side effects greatly increase, treat underlying cause if possible before increasing
NorepinephrineStock solution 1mg/mL in 4mL single-use vial
 
Dose <0.5mcg/kg/min: (8mcg/mL solution)
4mg (4mL) in 500cc D5W or 0.9% NaCl w/ 5% dextrose 
 
Dose 0.5mcg/kg/min or higher: (40mcg/mL solution)
4mg (4mL) into 100cc D5W or NaCl w/ 5% dextrose
 
Stable 24h, cover/protect from light 
0.05-2mcg/kg/min
 
Draw into syringe and deliver using syringe pump for appropriate level of accuracy
 
Crisis resuscitation: 4mg (4mL) NE in 250cc 0.9% NaCl
Start at 0.5cc/kg/h
VasopressinStock solution 20U/mL in 1mL or 10mL vials
 
Dose <3mU/kg/min (5mU/mL)
0.25mL vasopressin (5U) into 1L 0.9%NaCl or D5W
 
Dose 3mU/kg/min or higher (10mU/mL)
0.5mL vasopressin (5U) into 1L 0.9%NaCl or D5W
 
Stable 18h at room temperature or 24h in refrigerator
Vial is stable 30d in refrigerator after first puncture
0.5-5mU/kg/min (start at 0.5mU/kg/min)
 
Draw into syringe and deliver using syringe pump for appropriate level of accuracy
 
Pay careful attention to concentration: stock solution is in pressor units, dose is in milliunits.