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    Home > Evaluate with CKD > Lab Test > BUN >

    What If A Person BUN Is 43

    2015-11-16 06:45| Font Size A A A

    What If A Person BUN Is 43BUN (Blood Urea Nitrogen) is a major end metabolic product of protein. As a waste product, healthy kidneys filter the BUN by-product out of your body through urine. Just like creatinine level, it also has its normal range which ranges from 9 to 20mg/dL. However, what if a persone BUN is 43?

    Through the comparison, we can see the level of 43mg/dl is much more than normal BUN range. High BUN Levels generally indicate that your kidneys are not functioning properly or you may have underlying health problems to your cardiovascular system. In some case, high BUN levels are acute and easily resolved with dietary changes.

    BUN 43 can be dangerous if that is caused by patient’s kidney damage.

    Just like creatinine, our BUN level can stay in its stable range even though protein has kidney failure, and BUN level will not rise until more than half kidney function is damaged. The damaged kidneys lose some filtering functions, so that some wastes and toxins aren’t able to be discharged effectively. In the case, not only blood urea nitrogen level, but also creatinine level, blood pressure may also raise. Besides, the severity of patient’s kidney damage is in direct proportion to his BUN level. Thereby, if patient find his BUN is 43mg/dL, it indicates patients has severe kidney damage. In addition, patients are prone to suffer from other symptoms like nausea, vomiting, fatigue, poor appetite, and so on.

    Of course, BUN 43 does not always mean patient has a bad condition. Because many cases can induce the symptom. For example, if patient has not restricted diet, and when he takes much protein, his BUN level will have obvious rise. Besides, if patient loses too much water, or if patient has kidney stone in both kidneys, his BUN will also rise. In these conditions, it is not very serious, and that can recover if patient takes right measure to deal with.

    All in all, if you are with BUN 43, you’d better go to see the doctor for a further diagnosis, so that you can take the correct treatments timely. Any questions, you can email to or leave a message below directly.

    Tag: BUN
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