A Patient Has Euvolemic Hyponatremia Secondary to Chronic Syndrome of Inappropriate

A patient has euvolemic hyponatremia secondary to chronic syndrome of inappropriate antidiuretic hormone (SIADH) and is hospitalized for fluid replacement. When preparing to discharge the patient home, what will be included in teaching?

A) Limiting dietary protein intake
B) Limiting fluids to 500 mL/day for several days
C) Restriction of sodium intake
D) The importance of adherence to vaptan therapy