TreatmentDosageComments
Empagliflozin (Jardiance)25 mg administered orally once per dayLimited evidence; not supported by guidelines or FDA approved for this indication
Salt tabletsCommonly administered as 1 g of sodium chloride three times per day; can be followed by 20 mg of furosemideLimited evidence
Urea (oral)Initiated at 15 to 60 g per day, often dissolved in a liquid drink to mask the tasteConsidered a medical food instead of a medication; therefore, its safety has not been rigorously evaluated; the FDA says it is “generally recognized as safe,” but it is not FDA approved; some evidence shows that urea improves sodium concentration
VaptansVaptans should be initiated in a hospital setting; intravenous conivaptan (Vaprisol) may be used for four days; oral tolvaptan may be used for up to 30 days, including after dischargeShould not be combined with fluid restriction because of potential for rapid sodium recovery; no evidence of long-term benefits, and use has not been assessed in severe symptomatic hyponatremia