INS and diabetes mellitus: Other important causes and types of sodium disorders in patients with diabetes include osmotic diuresis induced hypovolemic hyponatremia [38], drug induced hyponatremia (oral hypoglycemics, insulin, tricyclic antidepressants) [39], pseudohyponatremia induced by hypertriglyceridemia [40] and pseudohypernatremia due to severe hypoproteinemia [7].