Letter B

BUN

Blood urea nitrogen.

A measure primarily of the urea level in blood.

Urea is cleared by the kidney and diseases which compromises the function of the kidney will frequently lead to increased blood levels.

The blood BUN level can also rise in patients who are dehydrated

Medical disclaimer

The information on this page is for educational and informational purposes only and does not constitute medical advice in any way.

It does not replace the advice of a physician, pharmacist or other healthcare professional.
It does not represent a prescription of drugs, diagnostic exams or therapies.
In case of symptoms, doubts or concerns about your health, always consult a qualified physician.

In case of emergency call 911 (US) or 112 (EU).