lidocaine + liquid paraffin

This combination therapy consists of the local anesthetic **lidocaine** and the lubricant **liquid paraffin**. Lidocaine is a sodium channel blocker that provides topical anesthesia to the urethral mucosa, while liquid paraffin serves as a mechanical lubricant to facilitate the insertion of medical instruments. This specific regimen is being investigated by the **Second Xiangya Hospital of Central South University** to evaluate its efficacy in providing pain relief and reducing procedural trauma for male patients undergoing rigid cystoscopy, a common procedure for the diagnosis and surveillance of **bladder cancer**.

Other names

intraurethral lidocaine gel + liquid paraffin