What are the typical symptoms of bladder stones?

Sep 12, 2025 Source: Cainiu Health

Dr. Cao Zhiqiang

Introduction

Under normal circumstances, the typical symptoms of bladder stones mainly include difficulty in urination, lower abdominal pain, hematuria (blood in urine), frequent and urgent urination, and interrupted urine flow. If discomfort symptoms occur, it is recommended to seek timely medical treatment at a qualified hospital. In daily life, it is important to increase water intake, maintaining a daily fluid intake of more than 2000 milliliters, to promote the excretion of small stones and reduce the risk of stone formation through increased urine output.

Generally, the typical symptoms of bladder stones mainly include difficulty urinating, lower abdominal pain, hematuria (blood in urine), frequent and urgent urination, and interrupted urination. If discomfort symptoms occur, it is recommended to seek timely treatment at a regular hospital. Detailed analysis is as follows:

1. Difficulty Urinating

Bladder stones may block the internal opening of the urethra, affecting the normal discharge of urine and causing difficulty urinating. Patients may experience a weak and intermittent urine stream, needing to strain to empty the bladder, and severe cases may even result in urinary retention.

2. Lower Abdominal Pain

When stones move within the bladder, they may rub against the bladder mucosa or irritate the bladder wall, causing lower abdominal pain. The pain is often dull or distending and may worsen after physical activity. In some patients, the pain radiates to the perineal area.

3. Hematuria

Friction from the stones may damage the bladder mucosa, causing bleeding that mixes with the urine to form hematuria. Hematuria is often microscopic, although in some cases visible blood may be present, with symptoms possibly more pronounced at the end of urination.

4. Frequent and Urgent Urination

Stones irritating the bladder mucosa increase bladder sensitivity, leading to frequent and urgent urination. Patients may urinate significantly more often, with small volumes each time, always feeling the urge to urinate, and may still feel incomplete emptying after voiding.

5. Interrupted Urination

As stones move with the urine flow and block the internal opening of the urethra, urination may suddenly stop. Changing body position (such as squatting or lying on one side) may shift the stone's position, allowing urine to flow again. This is a relatively characteristic manifestation of bladder stones.

In daily life, individuals should increase their water intake, maintaining a daily water consumption of more than 2000 milliliters. Increasing urine output helps promote the passage of small stones and reduces the risk of stone formation. Additionally, avoiding holding urine and developing a regular urination habit can reduce opportunities for bladder mucosa irritation.

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