What is the upper limit for sodium dosing in infants with CF, according to age?

In infants with cystic fibrosis (CF), sodium supplementation is an important consideration due to the increased sodium loss through sweat. Infants with CF have higher sodium needs, especially in hot weather or during illness. The recommendation for sodium dosing specifically stipulates an upper limit of 4 mEq/kg/day for infants.

This value is determined based on the physiological requirements of sodium in infants with CF. For these patients, maintaining an adequate sodium balance is crucial to support their overall health and growth. The upper limit of 4 mEq/kg/day ensures that they receive enough sodium to compensate for the losses they experience without risking sodium overload or related complications.

Other dosing amounts, such as 2 mEq/kg/day, 6 mEq/kg/day, or 8 mEq/kg/day, do not align with the established guidelines for sodium dosing in infants with cystic fibrosis. Thus, 4 mEq/kg/day is the correct upper limit for sodium dosing in this population, ensuring both effective management of the condition and the safety of the infant.