SSRI-associated hyponatremia is a start-up problem. In Swedish registry data, the odds of hospitalization ran 29 times higher in week one, 2.1 times higher by week 13, and slightly below baseline after three months. Two hosts cover who needs a baseline sodium before you start or increase an SSRI or SNRI, why a dose increase restarts the clock, and the two-week recheck window that catches it. Monitoring protocol: https://psychnpfellowship.com/ssri-hyponatremia-sodium-monitoring-pmhnp-protocol-2026/