Best evidence topic report: can intradermal sterile water injections provide effective pain relief in patients with renal colic?

A short systematic review was undertaken to assess whether intradermal sterile water injections (ISWI) provide effective pain relief in adult patients presenting to the Emergency Department (ED) with renal colic. MEDLINE, Embase, Cochrane and Google Scholar databases were searched, identifying seven relevant studies. Study information, patient characteristics, key results and methodological weaknesses were tabulated.