A blood urea nitrogen (BUN) test measures the amount of urea nitrogen in the blood. The result can indicate how well a person’s kidneys are working. A higher than normal level of BUN may point ...

Treating a kidney infection involves consulting with a doctor for antibiotics, staying hydrated, and managing pain. Preventive measures include controlling blood pressure and diabetes, reducing sodium ...

The use of blood urea nitrogen (BUN) concentration as a measure of renal function is even less reliable, because BUN levels can be affected by the presence of gastrointestinal bleeding or by the ...