Urine Odor

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Normal urine is clear and has a straw-yellow color. While the odor of urine can vary somewhat, in most cases, it does not have a strong smell. With dehydration, the urine is more concentrated and may have a stronger ammonia scent than normal. Consumption of certain foods, such as asparagus (which can impart a characteristic odor to urine), and taking some medications may alter the odor of urine. The presence of bacteria in the urine, such as with a UTI, can affect the appearance and smell of urine.When there is an infection in the urinary tract, the urine may take on a foul-smelling odor as well as appear cloudy or bloody. A burning sensation during urination may be a symptom of a UTI. The urine may also have an abnormally sweet odor in uncontrolled diabetes, and some rare genetic conditions can also cause the urine to have an abnormal odor.

Patients may experience the related symptoms of Blood In Urine, Cloudy Urine, and/or Urine Incontinence.

Medically Reviewed by a Doctor on 2/24/2014

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REFERENCE:

Fauci, Anthony S., et al. Harrison's Principles of Internal Medicine. 17th ed. United States: McGraw-Hill Professional, 2008.

Causes of Urine Odor
    • Bladder Infection (Cystitis) Bladder infection is an infection of the bladder, usually caused by bacteria or, rarely, by Candida. Certain people, including...learn more »
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    • Dehydration Dehydration is the excessive loss of body water. There are a number of causes of dehydration including heat exposure, prolonged...learn more »
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      Dehydration Article
      • Dehydration facts
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      • What causes dehydration?
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    • Diabetes (Type 1 and Type 2) Diabetes mellitus is a chronic condition characterized by high levels of sugar (glucose) in the blood. The two types of diabetes...learn more »
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    • Hyperglycemia Hyperglycemia is a serious health problem for diabetics. There are two types of hyperglycemia, 1) fasting, and 2)postprandial or...learn more »
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      Hyperglycemia Article
      • Hyperglycemia facts
      • What is hyperglycemia?
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    • Phenylketonuria Phenylketonuria (PKU) is a disorder that is inherited. PKU disorder increases the levels of phenylalanine in the blood....learn more »
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      Phenylketonuria Article
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Other Causes of Urine Odor
  • Cystitis
  • Dietary Factors
  • Liver Failure
  • Maple Syrup Urine Disease
  • Medications
  • Rectal Fistula
  • Urethritis
Examples of Medications for Urine Odor



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