Question

what if bun is high?

Explanation:

BUN (Blood - Urea Nitrogen) is a measure of kidney function. High BUN can be due to dehydration, kidney problems, urinary tract obstruction, or high - protein diet. It may indicate that the kidneys are not filtering waste properly.

Answer:

High BUN can be caused by dehydration, kidney issues, urinary tract blockage, or a high - protein diet and may suggest impaired kidney filtration.