High levels of urea in the blood are an indication that the level of nitrogen waste products in the blood is high. Increase in reabsorption of urea as in case of severe diarrhea, cardiac failure, pneumonia etc. Extra renal causes: Increased production of urea due to liver: such as high protein diet, gastrointestinal hemorrhage, starvation, injury, surgery. But normal ranges may vary, depending on the reference range used by the lab, and your age.Ĭauses Of Elevated Urea Levels In Blood. In general, around 7 to 20 mg/dL (2.5 to 7.1 mmol/L) is considered normal. Results of the blood urea nitrogen test are measured in milligrams per deciliter (mg/dL) in the United States and in millimoles per liter (mmol/L) internationally. What is a normal urea level in the blood? However, abnormal BUN levels don’t necessarily mean you have a kidney condition. A medication wouldn’t be recommended to lower BUN levels. A low-protein diet can also help lower BUN levels. Proper hydration is the most effective way to lower BUN levels. An appropriate daily intake of protein should be advised by your dietician. meat, fish, chicken, eggs, cheese, milk and yoghurt before commencing dialysis, you will affect the buildup of urea and creatinine in your blood. How can I reduce my urea level?īy eating large amounts of protein foods e.g. Kidney failure may also damage other organs, so untreated uremia can result in liver or heart failure. Someone with uremia may have seizures, loss of consciousness, heart attacks, and other life-threatening symptoms. Uremia can lead to kidney failure when left untreated. High BUN levels can also be caused by low blood flow to the kidneys caused by dehydration or heart failure. Kidney damage can be caused by diabetes or high blood pressure that directly affects the kidneys. What is abnormal level of urea?Ī high BUN value can mean kidney injury or disease is present. If your levels are off the normal range, this could mean that either your kidneys or your liver may not be working properly. The blood urea nitrogen test, which is also called a BUN or serum BUN test, measures how much of the waste product you have in your blood. The range is wide because of normal variations due to protein intake, endogenous protein catabolism, state of hydration, hepatic urea synthesis, and renal urea excretion. The normal range of urea nitrogen in blood or serum is 5 to 20 mg/dl, or 1.8 to 7.1 mmol urea per liter. 5 What does high urea level in blood mean?.4 What is a normal urea level in the blood?.1 What is normal range of urea in blood?.Certain factors, such as dehydration, pregnancy, high or low protein intake, steroids, and aging can impact your levels without indicating a health risk. Keep in mind that some medications, such as certain antibiotics, can raise your BUN levels.ĭepending on your test results, your doctor may also run other tests to confirm a diagnosis or recommend treatments. Normal BUN levels for adults over 60 are slightly higher than normal levels for adults under 60. children 1 to 17 years old: 7 to 20 mg/dL.In general, normal BUN levels fall in the following ranges: It’s also important to note that each laboratory has different ranges for what’s normal. Normal BUN values tend to vary depending on gender and age. Results of a BUN test are measured in milligrams per deciliter (mg/dL).
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