Hypovolemic hyponatremia

Loop diuretics

Thiazide diuretics

Euvolemic hyponatremia/syndrome of inappropriate antidiuretic hormone secretion

Barbiturates

Carbamazepine

Clozapine (Clozaril)

Desmopressin

Narcotic medications (opioids)

Oxytocin

Selective serotonin reuptake inhibitors

Tricyclic antidepressants

Vincristine