Answer
It replaces potassium when oral treatment is inadequate, especially in closely monitored critical-care patients or when fluid volume must be limited.
Sources for this answer
- Potassium Chloride 2.98% w/v and Sodium Chloride 0.9% w/v Solution for Infusion — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.