Patient Guide
July 2, 2026
5 min read

Harmful Effects of Holding Urine for Long Periods on Bladder and Kidney Health

Op. Dr. Fettah Tosun

Op. Dr. Fettah Tosun

Üroloji Uzmanı

Holding urine for long periods due to daily work density, lack of appropriate toilets, or habits can lead to irreversible damage in the urological system. The bladder is a muscular sac that stores urine, and stretching it beyond capacity disrupts its muscle structure.

Disorders Caused by Holding Urine for Long Periods

In a healthy person, bladder capacity is around 350-400 ml. Not going to the toilet when the urge to urinate occurs predisposes to urine backing up into the kidneys (reflux) and the development of urinary tract infections.

What Are the Main Harms?

  • Urinary Tract Infection: Stagnation of urine in the bladder creates a perfect environment for bacteria to multiply.
  • Bladder Muscle Weakness: Overstretching the bladder causes the muscles to lose their contracting ability over time, leading to urinary retention.
  • Kidney Damage: Urine reflux into the kidneys can cause renal parenchymal damage and long-term kidney failure.
  • For healthy bladder and kidney functions, one should go to the toilet without delay when the urge occurs, maintaining an average of 6-8 urinations per day.

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