Frequent urination may be caused by conditions affecting the urinary tract at any level. The urinary tract includes the kidneys, the tubes connecting the kidneys to the bladder (ureters), the bladder, and the tube through which urine flows from the bladder (urethra).

Several factors can cause frequent urination, such as:

  • Infection, disease or injury of the bladder
  • Conditions that increase urine production
  • Changes in muscles, nerves or other tissues affecting bladder function
  • Certain cancer treatments
  • Drugs or beverages that increase urine production

Depending on the condition causing frequent urination, you may experience other urinary problems, such as:

  • Painful or uncomfortable urination
  • A strong urge to urinate
  • Difficulty urinating
  • Loss of bladder control
  • Unusual urine color

Specific diseases, conditions or other factors that can result in frequent urination include:

  1. Bladder cancer
  2. Bladder stones
  3. Change in kidney function
  4. Anterior prolapse (cystocele)
  5. Diabetes insipidus
  6. Diuretics
  7. Excess consumption of alcohol or caffeine
  8. Interstitial cystitis
  9. Kidney infection
  10. Overactive bladder
  11. Pregnancy
  12. Benign prostatic hyperplasia (BPH)
  13. Prostatitis
  14. Radiation treatment affecting the pelvis or lower abdomen
  15. Type 1 diabetes
  16. Type 2 diabetes
  17. Urinary incontinence
  18. Urinary tract infection

Causes shown here are commonly associated with this symptom. Work with your doctor or other health care professional for an accurate diagnosis.

Jul. 20, 2012