Polyuria - Frequent Urination

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Polyuria - Frequent Urination

• Polyuria is a condition where the body urinates
  more than usual and passes excessive or
  abnormally large amounts of urine each time you
  urinate.
• Polyuria is defined as the frequent passage of
  large volumes of urine - more than 3 litres a day
  compared to the normal daily urine output in
  adults of about one to two litres.

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Causes of polyuria

• Polyuria is usually the result of drinking
  excessive amounts of fluids (polydipsia),
  particularly water and fluids that contain
  caffeine or alcohol.
• It is also one of the major signs of diabetes
  mellitus. When the kidneys filter blood to make
  urine, they reabsorb all of the sugar, returning
  it to the bloodstream.
• In diabetes, the level of sugar in the blood is
  abnormally high. Not all of the sugar can be
  reabsorbed and some of this excess glucose from
  the blood ends up in the urine where it draws
  more water.

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Polyuria as a symptom of diabetes

• As well as being one of the symptoms of
  undiagnosed diabetes, polyuria can also occur in
  people with diagnosed diabetes if blood glucose
  levels have risen too high.
• If blood glucose levels become too high, the body
  will try to remedy the situation by removing
  glucose from the blood through the kidneys. When
  this happens, the kidneys will also filter out
  more water and you will need to urinate more than
  usual as a result.

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Recognising the symptoms of polyuria

• The most common sign of polyuria is producing
  abnormally large volumes of urine at regular
  intervals throughout the day and at night.
• If you are concerned about the amount you urinate
  and think you may have polyuria, you should make
  a note each day of how much you drink how often
  you urinate and how much urine you produce every
  time you go to the toilet.

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Treatment of urination problems
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