Self induced Water Intoxication Associated with Routine Employment Drug Screen Leading to Symptomatic Hyponatremia: A Case Report

Acute symptomatic hyponatremia is a rare complication of water intoxication. Excessive water intake alone is unlikely to cause symptomatic hyponatremia unless there is impairment of water excretion. We report a case of hyponatremia associated with non-psychogenic polydipsia and an overdose of an herbal diuretic, uva ursi in preparation for a routine workplace drug screen.