What should a nurse do if an IV fluid bag appears to be empty?

When an IV fluid bag appears to be empty, the most appropriate and effective action is to change the IV fluid bag promptly to avoid any interruption in the therapy. This is crucial for maintaining the patient's hydration status, delivering essential medications, and ensuring that the planned treatment protocol is followed without delay.

Promptly replacing the bag ensures that the IV line remains patent and that there are no missed doses of medication or necessary fluids. It also prevents potential complications such as infiltration or phlebitis, which can arise from stagnant fluid within the IV line or from the line becoming occluded.

The other options would not adequately address the need for continuity in patient care. Stopping the IV therapy could lead to various complications and should only be done if there is a substantial reason, such as a significant adverse reaction. Notifying the physician without taking action would delay necessary interventions, while continuing with the same bag until the next change could compromise the patient’s treatment regimen. Ensuring timely fluid replacement is vital for patient safety and effective nursing practice.