<p>Potassium Chloride is used for the treatment of hypokalaemia and of potassium deficiency states. Potassium ion is the principal intracellular cation of most body tissues. It participates in a number of essential physiological processes, including the maintenance of intracellular tonicity, the transmission of nerve impulses, the contraction of cardiac, skeletal and smooth muscle and the maintenance of normal renal function.</p>