Difference Between BUN and Urea

What is BUN and Urea?

These are medical tests which are a function of normal and regular health (specifically kidneys) screening procedures. BUN is the blood urea nitrogen test that measures the volume of urea nitrogen found in blood and blood urea investigates the total concentration of urea institute in blood following its production from the urea wheel in the liver. The main difference between the two depends on the blazon of component measured in each parameter.

Similarity

  • Both BUN and Urea are measured in milligrams per deciliter (mg/dL).
  • Both are similar in their biological function and the action machinery.
  • Both are indicative of protein metabolism

BUN

Also termed as serum BUN exam, it is a blood urea nitrogen test that investigates and assesses the amount of waste material (urea nitrogen) present in your blood. The test helps to determine how well your kidneys are working. It is used for diagnosis (symptoms of kidney illness like frequent episodes of fatigue), screening (detect a health issue before symptoms have shown upwardly), and monitoring (how a patient’s condition changes) of any problems with the kidneys.

If the BUN test shows that BUN levels are too loftier, then it is an indication of kidneys not functioning properly. High blood urea nitrogen levels can likewise be triggered by low claret flow to the kidneys. Low blood flow to the kidneys is acquired either by eye failure or aridity.


Urea

Blood urea is the concentration of urea present in the blood. Urea is really waste that gets created in the liver and excretes from the body in the class of urine. If for some reason, kidneys do non office properly and are unable to go rid of waste in the form of urea from the blood naturally, the BUN levels increase. Some other complication that could too cause high BUN levels include – dehydration, high protein diet,

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A BUN exam is done to see how well your kidneys are working.

Some tips to lower urea levels include:

  • Avert smoking and alcohol
  • Eat more than cobweb
  • Lower your salt intake
  • Bring down your protein intake
  • Avoid over using NSAIDs

Difference between BUN and Urea

Definition

BUN

In BUN exam, the content of nitrogen in urea is measured. The normal BUN level is between about 7 and 21 mg/dL

Urea

In claret urea, the amount of urea present in blood is measured.

Symptoms

BUN

Symptoms of abnormal BUN include:

Increased BUN symptoms include:

  • Oliguria or anuria
  • Dehydration
  • Urge to urinate frequently or infrequently
  • Disturbed sleep or sleep disorder
  • Pale pare color
  • Swelling in your arms, legs, or feet
  • Edema or anasarca
  • Uremic frost
  • Itching
  • Tachycardia
  • Fatigue that is recurring
  • Defoliation
  • Musculus cramps
  • Muscle cramps
  • Vomiting

Decreased BUN symptoms include:

  • Jaundice
  • Wasting syndrome

Urea

Symptoms of loftier urea (uraemia) include:

  • Altered gustation
  • Farthermost tiredness or fatigue
  • Nausea
  • Extreme sleepiness
  • Cramping in your legs
  • Vomiting
  • Little or no appetite
  • Cognitive dysfunction (problems with thinking and remembering)
  • Unexplained weight loss
  • Problem concentrating
  • Shortness of jiff from fluid aggregating
  • Headache

Kidney interest

BUN

Kidneys are involved as the BUN exam indicates kidney dysfunction or injury

Urea

Kidneys are not involved in this case.

Summary

The points of difference betwixt BUN and Urea take been summarized as below:


FAQ

How does BUN relate to urea?

Urea is made when a metabolite (breakdown product) of amino acrid is broken down in your body. It is created in the liver and excreted out of your trunk in the urine. A Blood Urea Nitrogen test is carried out to determine the performance of your kidneys and to identify any potential risks, diseased or damaged kidneys. If your kidneys are unable to eliminate urea from the claret in a normal manner, the claret urea nitrogen in your trunk will increase.

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Does high BUN mean uremia?

No, high BUN may not necessarily mean that the patient has uremia.

What is the difference between BUN and creatinine?

BUN is termed equally Claret Urea Nitrogen used past nephrologists or kidney specialists to check the hydration status and to assess kidney function whereas creatinine is the breakdown product of creatine phosphate or waste product from muscle and protein metabolism which is secreted at the glomerulus (a cluster of small blood capillaries known as a tuft around the end of a kidney tubule) and not absorbed back or over again secreted by the renal tubule. Thus, it gives the correct measure out of kidney function.

What causes a high BUN?

A high Blood Urea Nitrogen is caused by a rich protein nutrition, Addison’due south illness (also chosen adrenal insufficiency), or tissue damage (such equally from severe burns), inflammation or interval grooming, thyroid abnormalities, Glucocorticoids, Tetracyclines, kidney illness or failure and dehydration or low water consumption.

What lab test is BUN?

Information technology is a mutual claret test; test reveals most the functioning of kidneys. It assesses and measures the urea nitrogen present in the blood.

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