The blood urea nitrogen (BUN) test measures how much urea nitrogen is in your blood. BUN levels vary. High levels may indicate kidney damage.

Nov 22, 2025 · When your kidneys are not healthy, they leave more BUN behind. The BUN blood test measures the amount of urea nitrogen in your blood. If your levels are outside the normal range, this …

Aug 5, 2023 · Learn about the blood urea nitrogen (BUN) test to assess kidney function and what possible results could mean.

Sep 12, 2024 · High BUN levels are an important indicator of kidney function and overall metabolic health. Elevated BUN can arise from various causes, including renal conditions like chronic kidney …

May 16, 2025 · Blood Urea Nitrogen (BUN) is a critical component in assessing kidney function and overall health. A dangerously high BUN level can indicate serious underlying health issues, …

Mar 16, 2025 · Ever seen “BUN” on a blood test report and wondered what it means? It stands for Blood Urea Nitrogen, and it is a key indicator of how your kidneys function. So, what happens if my blood …

A BUN test is also known by other names such as a urea nitrogen test and serum BUN. BUN indicates the urea nitrogen produced in the body during protein breakdown. It is removed from the body …

Normal BUN levels can vary, but generally, a high blood urea nitrogen level is a sign that your kidneys are not working well. But abnormal results don't always mean that you have a medical condition that …

Learn the medical causes of high BUN levels, symptoms, dehydration factors, chronic disease links, and natural methods to reduce BUN safely at home. Includes when high BUN becomes dangerous.

Aug 21, 2025 · What causes a high BUN level? A high BUN level is generally caused by impaired kidney function; however, it can also be due to a high-protein diet; dehydration; congestive heart failure; or …