What is the best treatment for kidney stones?

Written by Chen Feng
Urology
Updated on February 14, 2025
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The treatment methods for kidney stones vary based on the size of the stone and whether it causes obstruction. If the kidney stone is relatively small and can pass through the ureter and urethra on its own, no special treatment is needed. In such cases, drinking more water, urinating frequently, and jumping can help the stone to pass naturally. If the kidney stone is relatively large but does not cause obstruction in the kidney or bladder, these patients can be temporarily observed with regular check-ups to monitor the stone's condition, without needing special treatment. Only when a large stone gets stuck at the junction of the renal pelvis, ureter, or urethra during its passage does it cause urinary obstruction, and the patient may also experience pain. In such cases, the treatment generally involves surgically removing the stone.

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Written by Chen Feng
Urology
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How can kidney stones be expelled from the body?

The method of expelling kidney stones from the body is related to the size of the stones. If the diameter of the kidney stone is less than 0.6 centimeters, it can generally pass smoothly through the ureter and urethra to the outside of the body. This can be facilitated by drinking plenty of water and performing physical activity to naturally expel the stones. If a stone gets stuck in a physiologically narrow part of the ureter during expulsion, conservative treatment methods can be used to dilate the ureter, allowing the stone to pass on its own. If the kidney stones are relatively large but do not cause obstruction within the kidney, they can be observed temporarily without treatment. If larger stones get stuck in the ureter or urethra and cannot be expelled on their own, surgery is generally required to remove the stones. After surgery, it is also important to drink plenty of water and urinate frequently.

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Written by Guan Hai Fang
Urology
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Is it easy to treat kidney stones?

If kidney stones are treated using extracorporeal shock wave lithotripsy, the procedure depends on the size and location of the stones, among other factors. Whether the stones can be effectively expelled after the procedure also varies from person to person, but generally, it tends to be successful. Kidney stones are caused by the accumulation of crystalline substances in the kidneys, and there are many reasons for the formation of kidney stones, including diet, genetics, environment, occupation, and other factors. The specific cause can only be confirmed after the stone is removed for pathological analysis. Generally, when the stones are relatively small, such as less than 0.5 centimeters, it is advisable to drink more water and undergo some important auxiliary treatments. Under the guidance of a physician, medication can be used as needed. For stones measuring 0.5 to 2 centimeters, extracorporeal shock wave lithotripsy is required to break the stones and then expel them. If the stone exceeds 2 centimeters, surgical treatment is generally necessary.

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Written by Chen Feng
Urology
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What are the symptoms of kidney stones?

The symptoms of kidney stones vary depending on the size of the stones and whether they cause obstruction. If the stones are relatively small, they can usually pass smoothly through the ureters and urethra and be expelled from the body without causing any symptoms. When the stones are expelled, small stones can be seen in the urine. If the kidney stones are relatively large but do not cause obstruction in the kidneys or bladder, they generally do not cause any symptoms. Symptoms occur only when larger stones move downward and become lodged in the ureters, causing back pain, nausea, and vomiting. The stones can scratch the walls of the ureters, leading to blood in the urine. When stones get stuck in the urethra, it can cause painful urination discomfort and perineal pain. Since the stones can scratch the inner walls of the urethra, they may also cause blood in the urine.

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Written by Wang Shuai
Urology
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What should not be eaten with kidney stones

Patients with kidney stones do not have absolute dietary prohibitions. However, it is advisable to consume less food high in calcium, oxalates, and purines. Foods high in purines are mainly found in seafood, animal offal, beer, and beverages. High-calcium foods are primarily found in soy products and dairy products, such as soy milk, tofu, and cow's milk. Foods high in oxalates include celery, spinach, etc. These foods can be consumed in moderation in daily life, but should not be used in large amounts over a long period to avoid further growth and increase of stones. It is also important to drink plenty of water, urinate frequently, and engage in appropriate physical exercise to effectively prevent the occurrence of kidney stones. Additionally, for patients who have already developed kidney stones, it is necessary to timely decide on conservative stone expulsion or surgical treatment based on the size of the stones.

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Written by Zeng Zhong
Urology
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Can people with kidney stones eat pineapple?

Patients with kidney stones can eat pineapple, as well as seasonal vegetables and fruits, as these have no impact on kidney stones. However, patients should avoid spicy and stimulating foods, and refrain from drinking alcohol. Treatment plans for kidney stones should be based on their size. It is advisable to first visit a hospital for urinary system ultrasonography and CT scans to assess the size of the stones. Smaller kidney stones may be treated with extracorporeal shock wave lithotripsy, while larger stones may require surgical intervention.