Is BUN 45 high, normal or dangerous? What does Blood urea nitrogen level 45 mean?

BUN 45

Your BUN level of 45 is a High BUN level.

High BUN levels may signal health problems. Generally, levels between 6 mg/dL to 20 mg/dL are considered normal. However, if your levels fall outside this range, it is important to seek medical advice. Consulting a doctor for abnormal creatinine levels is recommended.

Important - Go to the end of this article and read how our patients treated their high BUN levels 

Contact a doctor

Normal range of BUN found among men :6 - 20 mg/dL

Ideal values of BUN depending on age (male) :
Age Ideal BUN value
<5 years 6.27
5-10 years 6.552
10-15 years 6.847
15-20 years 7.155
20-25 years 7.477
25-30 years 7.813
30-35 years 8.165
35-40 years 8.532
40-45 years 8.916
45-50 years 9.317
50-55 years 9.736
55-60 years 10.174
60-70 years 10.632
70-80 years 11.11
80-90 years 11.61
90-100 years 12.132
>100 years 12.678

*Ideal values ​are calculated based on our database of patient records

Get Advice via Email : Send us your blood test report, and our BUN experts will review it. Within 12 hours, you'll receive a detailed analysis and precise treatment guidance via email. If you have other blood test results besides BUN, please upload those as well. A comprehensive diagnosis often depends on evaluating all abnormalities for an accurate assessment. Upload blood test report now

1,51,150

Total number of patients treated

Important - Read more questions about high BUN levels after this video message 

A video message on the treatment of your high BUN level

If you want your blood test report to be interpreted by BUN specialist, you can upload your report. Our BUN expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours.Upload blood test report now

Important - At the end of this article read how our patients treated their high BUN levels 

Some examples of conditions that increase or decrease BUN levels include:

  • Kidney failure
  • Decreased blood flow to the kidneys
  • Congestive heart failure
  • Dehydration
  • Conditions that can block the flow of urine
Contact a doctor

Receive world-class medical opinion about your high BUN levels over email.Upload blood test report now

Important - At the end of this article read how our patients treated their high BUN levels 

You can learn techniques to reduce high BUN levels by reading this 100 page eBook. This book is written by a patient himself and reviewed by the doctors of Medchunk. Read eBook here.

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Normal range of BUN found among women :6-20 mg/dL

Ideal values of BUN depending on age (female) :
Age Ideal BUN value
<5 years 6.278
5-10 years 6.569
10-15 years 6.873
15-20 years 7.192
20-25 years 7.525
25-30 years 7.874
30-35 years 8.239
35-40 years 8.621
40-45 years 9.021
45-50 years 9.439
50-55 years 9.876
55-60 years 10.334
60-70 years 10.813
70-80 years 11.314
80-90 years 11.838
90-100 years 12.387
>100 years 12.961
Chest pain

Can Low or High BUN cause Heart Problems?

Read on to know how abnormal BUN affects heart

Know more

If you take a BUN blood test and the results are not in the normal range (6-20 mg/dL), your physician may recommend more tests to figure out the problem. You might also get this test if your physician thinks you have some other disease.

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How the BUN Test Is Done :

When your doctor recommends a BUN test, you'll likely undergo a simple blood draw specifically to measure BUN levels. A pathologist, a specialist in disease study, will collect a small blood sample from your veins using a needle. Your BUN test results are typically available within a few hours after the procedure.

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Dr. Dwayne Michaels
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Dr. Dwayne Michaels
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