Reconstituted Rice Saline should be used within 5 hours. After making the Rice Saline further heating or boiling is not necessary. Feeding bottles should not be used. For babies, a dropper or syringe without the needle can be used to put small amounts of solution into the mouth. Mix the solution with clean spoon each time before administration.Over Dosage In the event of significant overdose, serum electrolytes should be evaluated as soon as possible. This is particularly important for the very young.