These subjects lost significant amounts of sodium in the urine even when the serum sodium concentration was low, and administered salt loads raised the serum sodium concentration only transiently.

Low sodium levels can cause dehydration as the body struggles to regulate fluid levels inside and outside cells. This can result in symptoms like dry mouth, excessive thirst and decreased urine ...

Most of these trials have several confounding variables -- i.e, serum creatinine, renal blood flow, and urine volume -- that limit the applicability of the results. Although low-dose dopamine has ...