The value is slightly greater in males in comparison to females.Īn increased BUN: creatinine ratio indicates acute kidney failure, dehydration, mental shock, congestive heart failure or decreased flow of blood to the kidneys. Elderly individuals have a slightly higher ratio of BUN: creatinine in comparison to young, healthy adults. This ratio should not be more than 30:1 in infants younger than 1 year.
The normal range of BUN: creatinine ratio is in between 10:1 and 20:1. The test to check BUN level is often done in association with creatinine test, especially if an underlying kidney disease is suspected. See also Chicken Liver Nutrition BUN: Creatinine Ratio Keeping your blood sugar levels normal also helps in promoting healthy BUN levels. As blood pressure can be greatly impacted by stress, exercising regularly, seeking counseling and decreasing stress may help you maintain normal BUN levels. Levels of BUN have also been linked to the presence of high blood pressure and diseases that restrict the flow of blood such as diabetes.If you have developed kidney failure, then you may require intensive treatment including dialysis. If the cause of your abnormal BUN levels is kidney disease, you may be prescribed certain medications to slow down the progression of your disease during early stages.You should stay hydrated by drinking plenty of water to keep your BUN levels in normal range. 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.See also Red Eyes in the Morning Factors That Decrease BUN Levels 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.
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