Fluid extravasation — common, non-life-threatening.
Stop the infusion immediately
Disconnect IV tubing from catheter
Aspirate residual fluid from catheter if possible
Remove IV catheter carefully
Elevate the affected extremity
Apply warm compress for 20 minutes
Mark the borders of swelling with a pen and note time
Monitor for increasing swelling or pain
Document the event and notify patient of expected resolution (24–48 hrs)