If<unk>  is due to SIADH, definitive treatment of it involves treatment of the underlying condition. SIADH resulting from a carcinoma may require surgery, radiation therapy, or chemotherapy.
Hyponatremia surgery
Hyperosmolar hyperglycemic state surgery
Hypercalcemia surgery
Hyperkalemia surgery
Metabolic alkalosis surgery
Hyponatremia medical therapy
Hypernatremia medical therapy
Syndrome of inappropriate antidiuretic hormone medical therapy