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Blood Urea Nitrogen

Time:  2014-01-07 17:03

Blood Urea NitrogenWhat is Blood Urea Nitrogen?

Blood Urea Nitrogen is abbreviated to BUN. It refers to a waste product of digested protein produced by the liver. Urea will be transported to the kidneys where it is removed from the blood stream out of your body. From this aspect, BUN is used as a measurement to test how much kidney function you have. BUN test is conducted to determine how much urea nitrogen is still present in the blood, and this test mainly determines if the kidney functions are working as they should.

What are the normal values of BUN?

The normal BUN values may vary amongst different labs and your lab could have a different normal range. The following are the acceptable normal values of BUN.

A normal BUN is between 6 and 20 mg of urea nitrogen per deciliter. In liters this would be 2.1 to 7.1 mmol/ L.

High blood urea nitrogen and chronic kidney disease

With chronic kidney disease, your kidneys can not filter wastes out of the body properly and timely, which easily cause urea nitrogen build up in your body. High blood urea nitrogen happens in this case. Hence from the aspect of high blood urea nitrogen, it indicates some healthy problems. However, in most cases, if you suffer from high blood urea nitrogen for a prolonged period, it usually indicates kidney damage or liver damage. Also, high blood urea nitrogen can be triggered by many other factors, including:

Too much protein breakdown like in starvation

High protein intake

Drugs used in gout, infections, epilepsy, blood pressure and pain relief and so on.

Bleeding in the gut

Heart attack

Decrease in the blood volume like shock, burns and dehydration

BUN test is conducted:

To identify if the kidneys are functioning normally

To determine whether the kidney disease is worsening

To verify if kidney disease treatment is working

To look for signs of serious dehydration. This is because dehydration is known to elevate the levels of BUN to surpass the level of creatinine. Kidney disease can also lift the BUN and creatinine levels.

How to lower high blood urea nitrogen?

1. You need to consult your doctor to find the cause of your high blood urea nitrogen, and this is because kidney disease is not only the cause which triggers high blood urea nitrogen. Liver disease, infection or high blood pressure are also responsible.

2. If you have no symptoms of swelling, you may be allowed to drink enough water, because dehydration refers to lack of enough water and electrolyte balance in your cells. This will also elevate high blood urea nitrogen.

3. If high blood urea nitrogen is caused by primary disease, like kidney disease, liver disease or high blood pressure, you should treat the disease from the root cause. In this case, you can choose Chinese Herbal Medicine which targets at repairing injured organ function and rebuild intrinsic cells. As long as damaged organs are improved, high blood urea nitrogen is likely to be lowered radically.

4. You can choose a proper diet to lower high blood urea nitrogen. Urea nitrogen is a metabolic waste of protein. Thus, you should follow a low protein diet and avoid high protein diet such as eggs, beans, tomatoes and dairy products and so on.

High blood urea nitrogen is related to kidney disease, but not all high blood urea nitrogen indicates kidney disease or liver disease. For this, you should find the cause of high blood urea nitrogen and take effective treatment to lower high urea nitrogen level from the root.

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