Syndrome of
inappropriate
antidiuretic
hormone secretion
(SIADH)
Medications for type 2 diabetes,
seizures, antidepressants, blood
pressure, cancer, anesthesia, and
receiving hormone medications,
such as ADH or vasopressin
Defined by excessive
antidiuretic hormone.
Hyponatremia and
hypo-osmolality despite
normal or increased plasma
volume, which results in
impaired water excretion.