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Spontaneous dissolution of a guaifenesin stone
Department of Urology, University of Iowa, Iowa City, IA, USA
Aug 2005 (Vol. 12, Issue 4, Pages( 2769 - 2771)

Abstract

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  • Guaifenesin is a commonly used expectorant whose use may lead to the occasional formation of guaifenesin urinary stones. We herein describe a patient who was taking 2400 mg Guaifenesin per day as part of his treatment for asthma. He had a past history of a guaifenesin stone removed ureteroscopically. His current presentation was with a 9 mm by 6 mm stone in the upper left ureter, seen on CT scan, and treated initially with a ureteral stent and hydration. After 3 weeks, the stone had disappeared, as confirmed by repeat CT scan. The genesis and treatment of guaifenesin stones is discussed.

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