Urinary stones
Shock-wave lithotripsy — SWL
Updated: 3 October 2026
Understand through movement
Removal of kidney stones: SWL
European Association of Urology · Video in English
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My pathway: before, during, after
01Indications
Break suitable stones with shock waves; density, size and location affect selection.
02Preparation
Locate the stone, assess infection and review medicines that increase bleeding. Pregnancy rules out this technique.
03What happens
Targeted waves from outside the body fragment the stone, with pain relief.
04Follow-up
Fragments pass in urine. Imaging checks clearance; repeat sessions or endoscopy may be needed.
05Expected results
Avoids an incision and may allow stone passage.
06Risks and limitations
Colic, blood in urine, infection or blockage by fragments may occur; effectiveness varies.
Questions for your consultation
- Why this procedure rather than another option?
- What benefit should I expect in my case?
- When can I resume activities and whom should I contact if problems occur?
Medical references
These guides describe treatment options without implying that every technique is offered at the practice. Indications, anaesthesia and recovery are individualised.
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