Water intoxication leading to hyponatremia and seizures: a rare complication of uroflowmetry.

Uroflowmetry is a standard non-invasive urodynamic test for the evaluation of lower urinary tract symptoms (LUTS). For a reproducible study, the patients are asked to void after consuming enough oral fluids to have full bladder before the study. We report a case of water intoxication due to excessive oral fluid intake leading to water intoxication, hyponatremia and seizure.