What Are the Causes of Urinary Frequency?


Quick Answer

For women and men, an increased urinary frequency can be caused by diabetes, interstitial cystitis, diuretics and urinary tract infections, states WebMD. A decreased frequency in urination is linked to dehydration, urinary tract blockage and antibiotic usage, according to MedlinePlus.

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Full Answer

In men, an enlarged prostate can be the cause of urine blockage and an increased urge to urinate. The prostate presses against the urethra, stopping the flow of urine and irritating the bladder wall. The irritation causes the bladder to contract even with a small quantity of urine, creating an urgent need to urinate. In pregnant women, frequent urination is caused by the growing uterus pressing against the bladder wall. While frequent urination can be a sign of a urinary tract infection, a UTI is also accompanied by other symptoms, such as fever and abdominal pain or discomfort, explains WebMD.

Diuretics encourage frequent urination as a way to remove fluid buildup in the kidneys, or lower blood pressure by flushing the body of salt and water. Individuals with interstitial cystitis experience pain in the bladder and pelvic area in addition to a frequent need to urinate, notes WebMD.

Dehydration from not drinking enough liquids, diarrhea or vomiting can cause a decrease in urinary frequency. Decreased urination can also be a side-effect of some antibiotics and anticholinergics, states MedlinePlus.

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