Oral Rehydration Solution (ORS) works by utilizing the sodium-glucose co-transport mechanism in the small intestine, where glucose enhances the absorption of sodium and water. The standard ORS formula contains 75 mmol/L of sodium, 20 mmol/L of potassium, 65 mmol/L of chloride, 75 mmol/L of glucose, and a total osmolarity of 245 mOsm/L. This precise balance allows for optimal water and electrolyte absorption, effectively countering dehydration. The glucose in ORS ensures that sodium, and subsequently water, is absorbed efficiently, even in the presence of severe diarrhea, making it a crucial intervention in managing dehydration and preventing its severe complications
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