Oral Rehydration Salts (ORS)

ORS are a mixture of electrolytes (salts) and carbohydrates (in the form of sugar) dissolved in water.

  • They are used to replace salts and water that the body loses during dehydration caused by gastroenteritis, diarrhoea or vomiting. The electrolytes are potassium and sodium.
  • These components maximize fluid absorption in the gastrointestinal tract.
  • The gastrointestinal tract relies on sodium-glucose cotransporters (SGLTs), which are carrier proteins in the intestinal cells. Cotransporters help move substances across membranes.
  • Specifically, SGLTs pair together sodium and glucose transport in the small intestine. This allows glucose to increase the absorption of fluids.
  • Additionally, ....
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