IV Bags, Potassium Chloride in Dextrose 5% and Sodium Chloride 0.45% IV Solution Bags 1000 mL, 14/CasePotassium chloride in dextrose 5% and sodium chloride 0. 45% IV solution is a sterile solution for intravenous administration that contains potassium chloride, dextrose, and sodium chloride. It is used to provide electrolyte and fluid replacement in patients who are unable to take fluids and nutrients orally. Potassium chloride is a mineral that is essential for many body functions, including muscle function and maintaining a normal heartbeat.