Can urethral stones cause urgent urination?

Written by Wang Shuai
Urology
Updated on January 27, 2025
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Urethral stones can cause symptoms of urinary urgency because the stones stimulate the urethra, causing urgency. In addition to urgency, symptoms include frequent urination and painful urination, and in severe cases, blood in the urine may occur. If the stone is relatively large, it can block the urethra, leading to symptoms of urinary retention. If suffering from urethral stones, it is necessary to go to the hospital's urology department for ultrasound and CT scans of the urinary system to understand the specific size and location of the stones in the urethra, and to carry out targeted treatment. If the stones are small, they can be expelled from the body by drinking more water and urinating frequently, relying on the flushing action of the urine. If the stones are large, it is recommended to undergo surgery as soon as possible.

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Written by Wang Shuai
Urology
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Do urethral stones require hospitalization?

After suffering from urethral stones, whether hospitalization is necessary depends first on examinations such as color Doppler ultrasound and CT scans to determine the exact location and size of the stones within the urethra. If the stones are relatively small, such as about five millimeters, hospitalization is not necessary. By drinking more water and urinating frequently, the flushing action of the urine can expel the stones from the body. However, if the stones are larger and become lodged in the urethra, causing significant hematuria or even urinary retention, it is advisable to hospitalize immediately and proceed with surgery. Using a ureteroscope with holmium laser lithotripsy, the stones can be shattered and expelled from the body.

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Written by Wang Shuai
Urology
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Can urethral stones cause back pain?

Urethral calculi refer to stones located within the urethra. The main clinical symptoms include frequent urination, urgency, and painful urination. Severe cases may present with hematuria and urinary retention. Generally, urethral stones do not cause back pain. If back pain occurs, it may be necessary to consider additional factors such as stones in the ureter or kidney, lumbar muscle strain, or herniated lumbar discs. Further examinations such as renal and ureteral color Doppler ultrasound, CT scans, and if necessary, lumbar disc CT scans should be conducted to determine if the back pain is caused by conditions outside of the urinary system. If the pain is due to stones, timely lithotripsy and stone expulsion treatments are required. If the cause is herniated lumbar discs, timely orthopedic treatment is necessary.

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Written by Wang Shuai
Urology
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What should I do if I have hematuria due to urinary stones?

Urethral stones accompanied by hematuria mainly occur because the stones damage the mucosa and blood vessels of the urethra, causing blood in the urine. In such cases, one should first go to the hospital's urology department and undergo examinations such as color Doppler ultrasound and CT to determine the specific location and size of the stone, and then proceed with targeted treatment. If the stone is located in the posterior urethra, it is advised to push the stone back into the bladder using a cystoscope, then use a holmium laser under cystoscopic guidance to break the stone and expel it from the body. If the stone is located in the anterior urethra, it can be fragmented using a holmium laser through a ureteroscope and expelled, or a urethrotomy can be performed to remove the stone.

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Written by Wang Jian
Urology
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What to eat for urethral stones?

The treatment of urethral stones depends on the size of the stone. If the stone is very small, it can be expelled from the body through increased physical activity and water consumption; generally, stones less than 0.4cm can be expelled. Larger stones may become lodged in the urethra, causing difficulty urinating or even urine retention. A urethral probe can be used to push the stone into the bladder, where it can then be broken up using surgery or extracorporeal shock wave lithotripsy, and subsequently expelled from the body. If the urethral stone is very close to the urinary opening, it can also be directly removed with hemostatic forceps. Therefore, the dietary considerations for someone with a urethral stone depend primarily on the size and position of the stone, with most requiring repositioning into the bladder or surgery.

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Written by Sun Chun
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How to check for urethral stones

Urethral stone examinations are primarily divided into the following areas: Firstly, the physical examination provided by the clinical doctor which checks for urethral stones can be categorized into anterior and posterior urethral stones. For anterior urethral stones, one can feel a hard nodule inside the urethra with their hand. Combined with specific symptoms, such as sudden stabbing pain during urination or a sudden inability to urinate, and if there is a history of urinary system stones, then urethral stones might be considered. As for posterior urethral stones, they cannot be felt externally; if they are lodged at the prostate, a doctor might insert a finger into the rectum to touch the area around the prostate. If a hard nodule is felt upon pressing, then a posterior urethral stone might be considered. Secondly, a more accurate clinical exam is the plain film radiography of the urinary system, commonly known as X-rays. Generally, most stones contain calcium, and in such cases, the X-ray can reveal a hard nodule in either the posterior or anterior urethra, which can be diagnosed as urethral stones. Thirdly, the urinary system's CT scans can sometimes detect radiolucent stones, such as uric acid stones. It can also identify conditions like kidney hydronephrosis in the bladder and stones in other parts of the urinary system. If all examinations, including auxiliary checks, suggest the presence of urethral stones, treatment depends on the situation. If the anterior urethral stone is not large, stone retrieval may be performed. Posterior urethral stones are generally treated like bladder stones; after pushing them into the bladder using a cystoscope, the stones are broken down either by lithotripsy or laser.