What causes cloudy urine?

Under normal circumstances, cloudy urine may be caused by factors such as insufficient water intake, prolonged abstinence from sexual activity, urethritis, kidney stones, or renal tuberculosis. Treatment can include general management and medication under the guidance of a physician. Specific causes are analyzed as follows:

1. Insufficient Water Intake

Inadequate fluid intake can lead to concentrated urine with increased solute concentration, causing certain components such as urates and phosphates to precipitate out, resulting in cloudy urine. It is important in daily life to increase water consumption and maintain sufficient hydration.

2. Prolonged Abstinence from Sexual Activity

In men, long-term abstinence may lead to accumulation of prostatic fluid, which can be excreted with urine and cause cloudiness. Regular sexual activity or occasional masturbation is recommended to expel prostatic fluid and maintain prostate health.

3. Urethritis

Urethritis is caused by infection of the urethra due to bacteria, viruses, or fungi. The inflammatory response increases urethral secretions, which mix with urine and cause cloudiness. This condition may also present with purulent discharge and painful urination. Treatment should follow medical advice and may include medications such as cefaclor capsules, levofloxacin tablets, or azithromycin dispersible tablets.

4. Kidney Stones

Factors such as chronic dehydration or medication effects may contribute to kidney stones. When stones move or fragment within the urinary tract, debris may enter the urine, making it appear cloudy. Symptoms may include nausea and vomiting. Under medical supervision, treatment may involve medications such as Shenshi Tong granules, tamsulosin hydrochloride sustained-release capsules, or allopurinol tablets.

5. Renal Tuberculosis

Renal tuberculosis is usually caused by Mycobacterium tuberculosis infection. The bacteria infect the kidneys, damaging renal tissue and forming caseous material, which may be excreted in urine, leading to marked cloudiness. Symptoms may include low-grade fever, night sweats, and flank pain. Patients should follow medical advice and take anti-tuberculosis drugs such as isoniazid tablets, rifampicin capsules, and ethambutol hydrochloride tablets.

To maintain clear urine and promote urinary system health, individuals should ensure adequate fluid intake, maintain regular lifestyle habits, and pay attention to bodily changes, promptly identifying and adjusting daily factors that may affect urine appearance.