What is the maximum recommended rate of IV potassium repletion?

• 10 to 20 meq/h
• but can increase to as high as 40 to 100 meq/h for those with paralysis or life-threatening arrhythmias
  

Of note, potassium concentrations > 60 meq/L should be administered through a central line given the pain that can be caused when given through a peripheral vein.


Source

Rose, B. MD. "Clinical manifestations and treatment of hypokalemia" Up to Date. 24 Jan 2009.