There is no correction per se. Although, older guidelines recommend a correction of no more than 8-10 mEq/dL in 24 hours. The theoretical risk of correcting hypernatremia too fast is the development of cerebral edema. However, a recent study (Chauhan et al., PMID 30948456) showed no evidence of cer...

The notion that correcting hypernatremia too quickly causes cerebral edema is probably not as strong as we used to think it was. A retrospective analysis a few years back showed no increase, morbidity or mortality, based on rate of correction of hypernatremia. This is in adults and that needs to be ...