The proper concentration of various minerals within the blood and body fluids.
Equilibrium between electrolytes in the body that is essential for normal functioning, with a deficiency or excess of a particular electrolyte usually producing characteristic symptoms. The normal electrolyte balance may be disturbed by many disorders, including prolonged diarrhea or vomiting, kidney malfunction, or malnutrition, or by disturbed activity of the adrenal cortex, pancreas, pituitary, or other gland.