How to expel bladder stones from the body

Written by Wang Shuai
Urology
Updated on April 22, 2025
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The treatment for bladder stones primarily involves understanding the size of the stones. If the stones are smaller than seven millimeters, in this case, drinking more water and urinating frequently can help expel the stones from the body through the flushing action of the urine. If the stones are larger in diameter, it is recommended to first undergo extracorporeal shock wave lithotripsy or holmium laser lithotripsy under cystoscopy to break the stones into smaller pieces. During the surgical process, the crushed stones are directly flushed out of the body. After the surgery, drinking more water and urinating frequently can help to completely remove any remaining stones.

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Written by Zou De Bo
Urology
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Clinical manifestations of bladder stones

Generally speaking, a typical clinical manifestation of bladder stones is the sudden interruption of urination. That is, the patient may start to urinate normally, but then suddenly becomes unable to urinate midway through. Urination can resume once the patient changes position. Therefore, this sudden interruption of urination is a classic symptom of bladder stones. Of course, bladder stones can also cause other urinary tract irritation symptoms, such as frequent urination, urgency, pain during urination, and hematuria (blood in urine).

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Written by Wang Shuai
Urology
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How to expel bladder stones from the body

The treatment for bladder stones primarily involves understanding the size of the stones. If the stones are smaller than seven millimeters, in this case, drinking more water and urinating frequently can help expel the stones from the body through the flushing action of the urine. If the stones are larger in diameter, it is recommended to first undergo extracorporeal shock wave lithotripsy or holmium laser lithotripsy under cystoscopy to break the stones into smaller pieces. During the surgical process, the crushed stones are directly flushed out of the body. After the surgery, drinking more water and urinating frequently can help to completely remove any remaining stones.

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Written by Zeng Zhong
Urology
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Where does bladder stones hurt?

Patients with bladder stones experience lower abdominal pain and pain during urination. Bladder stones primarily form when kidney stones move down into the bladder, or due to urinary obstruction that prevents urine from being completely expelled, accumulating in the bladder and forming stones. The treatment of bladder stones depends on their specific size, and options include extracorporeal shock wave lithotripsy or surgical treatment.

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Written by Zeng Zhong
Urology
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How big must a bladder stone be to require surgery?

Bladder stones are a common type of urinary system calculus. Generally, stones with a diameter greater than 1.5 centimeters require surgical treatment. Currently, minimally invasive surgery is performed, which is transurethral ureteroscopic holmium laser lithotripsy. This involves inserting a ureteroscope through the urethra into the bladder, locating the bladder stones under direct vision, and using a holmium laser fiber to fragment them, while simultaneously extracting the broken pieces.

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Written by Zeng Zhong
Urology
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Postoperative care for minimally invasive bladder stone surgery

Minimally invasive surgery for bladder stones primarily involves performing a holmium laser lithotripsy through a ureteroscope via the urethra. During the procedure, some of the fragmented stones are flushed out of the body. After the surgery, a urinary catheter is installed to assist with urination. On the first day after surgery, patients are not allowed to eat due to the effects of anesthesia. On the second day, patients can consume a light liquid diet. In terms of care, it is important to monitor whether the urinary catheter is clear and unobstructed.