“…adrenal insufficiency (AI), excessive diuretics used to treat pulmonary edema, gastrointestinal fluid losses, and kidney damage) [*7] , [*8] , [37] . A rare possible cause is exccesive water intake, justified by either dysgeusia or because patients consider water to be beneficial [43] . A recent systematic literature search confirmed SIADH to be the most common reason for hyponatremia followed by AI and hypovolemic hyponatremia due to gastrointestinal losses [37] .…”