Dexamethasone 21-phosphate disodium salt acts as an inducer of apoptosis and inhibitor of the sodium phosphate symporter. It is used in the treatment of emetic effects of cancer therapy and epicondylitis. Further, it serves as an activator of food, medicine, glucocorticoid and anti inflammatory. Dexamethasone 21-phosphate disodium salt acts as an inducer of apoptosis and inhibitor of the sodium phosphate symporter. It is used in the treatment of emetic effects of cancer therapy and epicondylitis. Further, it serves as an activator of food, medicine, glucocorticoid and anti inflammatory.