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Updated: Jun 23, 2026

Transurethral Instillation Procedure in Adult Male Mouse
Published on: November 2, 2017
Intraurethral lubricants: a critical literature review and recommendations
Vassilios Tzortzis1, Stavros Gravas, Michel M Melekos
1Department of Urology, University of Thessaly School of Medicine, Larissa, Greece. tzorvas@otenet.gr
Abstract:
In current clinical practice, lidocaine gel is widely used as a local anesthetic lubricant before various forms of transurethral instrumentation. Over the past few years, the value of local anesthesia during urethral catheterization and flexible or rigid cystoscopy has been questioned. Strong data are lacking, and the results from the different studies are contradictory. As a result, the correct use of the intraurethral gels is, for the most part, left to individual preference. The purpose of this review is to provide an overview of the characteristics of the intraurethral gels, to assess the effectiveness, and to define evidence-based indications for their use.
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