Semper rehydration solution is a mixture used for the management of dehydration. Each liter of Semper rehydration solution contains 189 mmol glucose, 40 mmol Na<sup>+</sup>, 35 mmol Cl<sup>âÂÂ</sup>, 20 mmol K<sup>+</sup> and 25 mmol HCO<sub>3</sub><sup>âÂÂ</sup>.