Ended up in the ER early Monday morning (today is Wednesday) with a small (2-3mm) kidney stone in my ereter. Doc prescribed some pain meds and said to drink a lot of fluids and that it should pass on it's own within a week. I've been drinking water non-stop. Went to the urologist this morning and they took another x-ray but could not see the stone on the x-ray. urologist said that this was either due to the small size of it or because some stones don't show up on x-rays but do on CT scans (taken at the ER). still have a "moderate" amount of blood in my urine, although it's pretty clear with all the water I'm drinking. So my question is: When will I pass this stone??? if you have first-hand knowledge with small stones like this, please let me know. I would appreciate it.