What hormone causes increase blood sodium levels?

Answer 1

I'm not an expert or anything but sodium is filtered through the blood and excreted by the kidneys. So chronic renal failure will cause it to increase. This goes for potassium and other electrolytes.

Answer 2

Sodium levels are raised under various circumstances causing conditions like High Blood Pressure.

Answer 3

An increased level of salt in your blood stream. Results from ingesting high amounts of salt. It can also result from a sodium injection.

Answer 4

aldosterone