Common Urology Problems

Uranary Frequency In A Day Or Night

Most people typically urinate four to eight times a day. Needing to go more than eight times a day or waking up in the night to go to the bathroom more than once in the night is considered frequent urination. Though the bladder can often hold as much as 600 ml of urine (about 2 ½ cups), the urge to urinate is usually felt when the bladder contains about 150 ml of urine (just over ½ cup).

There are two different ways to look at frequent urination:

  • • either as an increase in total volume of urine produced (excessive urination, or polyuria) or
  • • a dysfunction in the storage and emptying of urine.

What Are Common Causes of Frequent Urination?

  • Urinary tract infection (UTI) or bladder infection: The lining of the urethra (the tube that carries urine from the bladder out of the body) and bladder becomes inflamed and irritated due to byproducts of an infection (blood, white blood cells, bacteria). This irritation of the bladder wall causes the urge to empty the bladder frequently (called frequency). The amount of urine during each emptying is often smaller than a usual amount.

  • Diabetes mellitus and diabetes insipidus: An early symptom of both type 1 and type 2 diabetes can be frequent urination, as the body tries to rid itself of unused glucose (blood sugar) through the urine. Diabetes can also damage the nerves that control the bladder, causing frequent urination and difficulty controlling your bladder

  • Diuretic use: Medications used to treat high blood pressure or fluid buildup work in the kidney and flush excess fluid from the body, causing frequent urination.
  • Prostate problems: An enlarged prostate (benign prostatic hyperplasia, or BPH) can press against the urethra and block the flow of urine, causing the bladder wall to become irritated. The bladder contracts even when it contains small amounts of urine, causing more frequent urination.
  • Pregnancy: Hormonal changes and the growing uterus placing pressure on the bladder cause frequent urination, even in the early weeks of gestation. The trauma from vaginal childbirth can also cause damage to the urethra.
  • Stress incontinence: This condition occurs mostly in women. The involuntary release of urine during physical activity, such as running, coughing, sneezing, and even laughing is characteristic of stress incontinence.
  • Interstitial cystitis: This condition is characterized by pain in the bladder and pelvic region, often leading to frequent urination.
  • Stroke or other neurological diseases: Damage to nerves that supply the bladder can lead to problems with bladder function, including frequent and sudden urges to urinate.
  • Bladder cancer: Tumors taking up space or causing bleeding in the bladder may lead to more frequent urination.
  • Multiple sclerosis (MS): Bladder dysfunction, including frequent urination, can occur in at least 80% of MS patients. MS lesions can block or disrupt transmission of nerve signals that control the bladder and urinary sphincters.
  • Overactive bladder (OAB) syndrome: Often frequent urination is itself the problem. Involuntary bladder contractions lead to frequent and often urgent urination, even if the bladder is not full.
  • Drinking too much: Ingesting more fluids than your body needs can cause the body to urinate more often.
  • Artificial sweeteners, alcohol, caffeine and other foods: Alcohol and caffeine can act as diuretics, which can cause more frequent urination. Carbonated drinks, artificial sweeteners (such as Splenda or Equal), and citrus fruits are known to irritate the bladder, causing more frequent urination.
  • Other causes of frequent urination include anxiety, bladder stones or kidney stones, urethral stricture (narrowing of the urethra), radiation exposure of the pelvis (as part of cancer treatment), diverticulitis, and sexually transmitted infections (STIs).

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