![]() ![]() ![]() If the cause of your abnormal BUN levels is eating excessive protein, then you should avoid eating foods rich in protein such as fish, meat, dairy and beans and increase your intake of fruits and vegetables.Keeping your BUN levels in the normal range depends on the underlying cause of the abnormal BUN levels and may require following appropriate lifestyle changes, taking prescribed medicines and eating a healthy and well-balanced diet. It is quite possible to get normal BUN levels after episodes of decreased or increased BUN levels. Pregnancy (the reason is increased plasma volume.).Drinking a lot of water or overhydration.Anabolic steroids as they decrease the breakdown of proteins.Growth hormone deficient children who receive human growth hormone have decreased levels of BUN. Genetic deficiency of the enzymes of the urea cycle.Impaired activity of the liver due to disease of the liver.A diet low in protein, starvation or malnutrition.Kidney failure or disease and urinary tract blockage by a kidney stone.Glucocorticoids, tetracyclines and other antianabolic drugs.Abnormalities of the thyroid gland, which leads to abnormal functioning of the kidneys.Poor circulation, which leads to decreased blood flow to the kidneys, thereby decreasing their ability to filter urea nitrogen.This protein is then metabolized to BUN by the liver. When bleeding from upper GI tract occurs, that blood is digested to form protein. Protein breakdown is also increased by cortisol hormone, thereby elevating BUN levels. BUN is elevated when activation of sympathetic arginine-vasopressin and angiotensin-aldosterone systems is inappropriately increased. BUN levels are increased as blood volume is decreased. Low consumption of water or dehydration.Interval training or inflammation, which leads to breakdown of proteins from muscles.Infection or fever, which increases the breakdown of proteins – a common feature of any illness.Levels in adults over age 60 are greater than levels in young adults.Īfter discussing the normal BUN levels, let’s discuss the factors which raise and decrease the BUN levels. BUN levels in toddlers are around 66% of the levels found in an average healthy adult. Generally, blood urea nitrogen levels increase with increasing age. A result greater than 50 mg/dL indicates an underlying medical problem.īUN levels also change with gender and age and during pregnancy. The range of normal levels of blood urea nitrogen is between 7 and 22 mg/dL. Hence, normal blood urea nitrogen levels are of essential importance. BUN levels are raised when any damage is caused to liver or kidneys. Under normal conditions, urea nitrogen is filtered by the kidneys, which is then removed from the body in urine. Urea nitrogen is a byproduct (waste product) of protein breakdown in the liver. It measures the levels of blood urea nitrogen. A BUN (blood urea nitrogen) test is utilized to determine the functioning of your kidneys. ![]()
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