Purpose: The purpose of the study is to identify early serum sodium changes that could happen in elderly patients with nocturia receiving desmopressin.
Materials And Methods: This study was conducted on 28 patients complaining of nocturia and receiving desmopressin. Inclusion criteria were patients diagnosed as having nocturia (at least one or more voids per night) aging ≥55 years with normal baseline serum sodium (135-150 mEq/L).