Answer
A healthcare professional gives it directly into a vein through an intravenous line or cannula.
Sources for this answer
- Sodium Chloride 0.45 % w/v and Glucose 2.5% w/v Solution for Infusion BP — Current selected SmPCemc · Summary of Product Characteristics
- NHSNHS · NHS medicine guidance
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.