Patients w/ GI obstruction, oliguric or anuric failure; concurrent parenteral rehydration therapy in severe dehydration or intractable vomiting. Reconstitute only w/ water. Freshly boiled & cooled water is preferred for infants. Do not boil soln after prepared. Do not add other ingredients eg, sugar. Store prepared soln in a refrigerator & use w/in 24 hr; discard unused soln. Halt for 10 min, then resume in smaller & more frequent amounts, if vomiting occurs. Potential hypernatraemia & hyperkalaemia in patients w/ renal impairment.