Laser Kidney Stone Treatment (RIRS)
Laser (RIRS) stone treatment is one option for certain stones — but not every stone needs a procedure. Here is honest guidance on when it is truly needed.
Medically reviewed by the RIIMS nephrology team · Last updated: June 2026
What is laser (RIRS) kidney stone treatment?
Laser stone treatment — including RIRS (retrograde intrarenal surgery) and laser lithotripsy — uses a laser passed through a thin scope to break a stone into tiny fragments that can pass out, usually for stones that are larger, stuck, or causing a blockage or infection. It is important to be honest: not every stone needs a procedure, and many pass with hydration and time. RIIMS gives report-based guidance on whether a procedure is genuinely needed, helps you understand the options, and coordinates referral to a urologist for laser/RIRS when it is advised — then supports you afterwards with hydration, diet and prevention so stones are less likely to return.
Symptoms to watch for
- A larger or stuck stone on imaging
- Severe or recurring flank pain
- Blockage of urine flow (hydronephrosis)
- Blood in the urine
- Fever with a known stone — urgent
- Stones that keep coming back
When to consult a kidney doctor
A stone that is large, blocking urine, causing repeated pain, or associated with fever or infection needs prompt evaluation to decide if laser/RIRS is required.