"please be careful on this drug.  it is a diuretic and can cause your sodium to drop, especially if you drink a lot of water.  i became increasingly lightheaded and dizzy.  i was vomiting.  i went to the er and my sodium was 118.  normal is around 135-145.  this is dangerously low.  under 115 and your brain can swell leading to seizure, herniation, and death.  if you&#039;re having symptoms please stop taking the medicine and have your labs checked."