Tamsulosin Beneficial for Passage of 5- to 10-mm Distal Ureteral Stones
Am Fam Physician. 2017 Jan 15;95(2):123a-124.
Is tamsulosin (Flomax) effective in promoting stone passage in patients with distal ureteral stones?
Tamsulosin promotes stone passage of distal ureteral stones that are 5 to 10 mm in size. You would need to treat five such patients to get one stone passage. Smaller stones tend to pass on their own at a rate of 86% in this study. (Level of Evidence = 1a)
The benefit of tamsulosin for the passage of ureteral stones 10 mm or smaller is uncertain given the conflicting results in recent randomized controlled trials. In this study, investigators searched Medline, Embase, and Central databases, reviewed bibliographies of identified studies, and consulted with experts to find randomized double-blind, placebo-controlled trials that evaluated the effectiveness of tamsulosin on the passage of ureteral stones that were
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