I have a nonobstructing kidney stone. my urologist wants to use eswl. is this necessary?

Talk to urologists. : Watchful waiting may be perfectly reasonable, but there will always be a risk that the stone may obstruct, cause extreme pain, or become larger requiring a more invasive procedure later. If you work as a pilot, driver, or other such field, it would be advisable to get treatment early. Talk with your urologist and come to consensus about when you'd pursue treatment for the stone.

Depend...: Good question! to treat an asymptomatic non-obstructing kidney stone or not can be tricky. It would be helpful to review your stone-related hx if you're a recurrent stone former so to decide if it's necessary to treat it while possible option of rx is available. So, it's a judgment and dilemma under common sense and wisdom at reasonable time in reasonable way to reasonable patient. Then, talk...