How to treat a premature baby that has high sodium levels?

Why sodium high: Bringing down sodium levels can usually be accomplished by giving more water, less sodium or a combination of both. Typically in the smallest babies high sodiums are from dehydration and can be treated by giving fluids, some babies that have been on fluids with lots of salt in it can get high sodiums from that, more rarely hormone problems can be to blame so it's important to establish the cause.

Careful Fluid Rx: Depends on the cause and severity of high sodium, and if the baby has had any symptoms. High normal sodium is around 145 millimols/l. Anything above that should be treated early with fluids with proportional sodium, at daily maintenance or higher rates depending on severity. The sodium in the blood should not be dropped too quickly, as it is dangerous for brain. Consult your pediatrician also.